Trades Exam Prep

NATE HVAC Exam Prep 14, Motors Capacitors and Starting Circuits

Tue, 01 Sep 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Key operational differences between shaded-pole, PSC, and ECM motors tested on the NATE exam. - How to calculate resistance across common, run, and start terminals to identify compressor connections. - Operating principles of potential relays versus current relays, including back-EMF pickup and contact states. - Critical rules for capacitor replacement, microfarad sizing, voltage ratings, and dual-capacitor terminal wiring. - Safe capacitor discharge procedures using bleeder resistors and motor shaft rotation orientation standard. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 13, Alternating Current Inductance and Power Factor

Mon, 31 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How frequency and inductance create counter electromotive force and inductive reactance in HVAC motor windings. - How to apply the ELI the ICE man mnemonic to remember voltage and current phase relationships in inductive and capacitive circuits. - The distinction between pure resistance, inductive reactance, and total circuit impedance measured in ohms. - How to differentiate between real power in watts and apparent power in volt-amps on NATE exam calculations. - The concept of power factor and how run capacitors reduce reactive current to improve motor operating efficiency. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 12, Series and Parallel HVAC Circuits

Sun, 30 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Voltage drop rules for closed versus open switches in series control circuits - How current and voltage behave across parallel loads versus series safety devices - Resistance calculations for series and parallel HVAC electrical paths - Troubleshooting symptoms of open circuits, short circuits, and high-resistance connections - The operation and electrical behavior of electric heat elements connected in parallel For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 11, Voltage Current Resistance and Power

Sat, 29 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply Ohm's Law and Watt's Law to calculate voltage, current, resistance, and power in HVAC circuits. - Why a ten percent drop in voltage results in a nineteen percent loss in resistive heating power output. - How to interpret voltage drop readings across closed contactor contacts to identify high-resistance faults. - Essential safety and technical procedures for measuring resistance and continuity without damaging digital multimeters. - How to apply the memorable mnemonic Volts Push, Amps Flow, Ohms Slow, Watts Grow to master electrical troubleshooting on test day. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 10, HVAC Fundamentals Calculations and Exam Traps

Fri, 28 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to correctly convert temperature between Fahrenheit, Celsius, and absolute Rankine scales on NATE questions. - The vital difference between PSIG and PSIA and when to add 14.7 for gas law equations. - How to calculate airflow CFM from electric heat kilowatts using sensible heat formulas. - A units-first calculation strategy using the mnemonic Units Direct The Route to avoid order-of-operation mistakes. - Why manufacturer instructions take priority over generic rules of thumb on code and fundamentals questions. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 9, Combustion Venting and Carbon Monoxide Safety

Thu, 27 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Key differences between complete and incomplete combustion and primary versus secondary air requirements. - Unconfined space volume rules per NFPA 54 requiring 50 cubic feet per 1,000 BTU per hour total input. - Flame diagnostics for identifying yellow tipping, floating flames, and cracked heat exchanger indicators. - Venting system classifications for Category I and Category IV systems along with draft spillage testing procedures. - Emergency safety action protocols when flue gas CO exceeds 400 ppm air-free or active spillage occurs. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 8, Refrigerant Piping Oil Return and Line Protection

Wed, 26 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Suction line velocity requirements to ensure proper oil return to the compressor crankcase. - Why liquid lines are generally uninsulated except when passing through high temperature ambient spaces. - Trap placement rules for vertical suction risers to prevent compressor oil starvation. - The critical role of dry nitrogen purging during brazing to eliminate internal scale oxidation. - Proper tubing support intervals and vibration protection to avoid refrigerant leaks. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 7, Superheat and Subcooling Fundamentals

Tue, 25 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to calculate evaporator superheat, total superheat, and condenser subcooling using temperature readings and P-T pressure conversions. - What high and low superheat or subcooling values reveal about system charge, liquid floodback, and operating efficiency. - How to choose between superheat charging for fixed orifice devices and subcooling charging for TXV systems. - How to spot critical exam traps like identifying a liquid line restriction when both high superheat and high subcooling occur. - Why charging targets depend strictly on equipment design and manufacturer data rather than rule-of-thumb estimates. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 6, Pressure Temperature Relationships and Saturation

Mon, 24 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How saturation temperature, boiling, and condensing function at thermodynamic equilibrium on NATE exam questions - The critical distinction between gauge pressure in PSIG and absolute pressure in PSIA, including atmospheric math traps - Practical high-side and low-side system examples calculating superheat and subcooling using P-T charts - Why accurate refrigerant identification and system pressure stabilization are mandatory for valid diagnostics - Common NATE trick questions regarding subcooled or superheated states and the PLST mental shortcut For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 5, The Refrigeration Cycle and Component Roles

Sun, 23 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Tracing refrigerant temperature, pressure, and phase changes through all four major cycle components - How subcooling and superheat are measured and applied during system charging and troubleshooting - Common NATE exam traps regarding compressor inlet conditions and thermostatic expansion valve behavior - The role of flash gas at the metering device outlet and its impact on evaporator efficiency - How the reversing valve alters indoor and outdoor coil functions in heat pump heating mode For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 4, Heat Transfer BTUs and System Capacity

Sat, 22 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Differentiation between conduction, convection, and radiation heat transfer modes - Distinction between sensible heat and latent phase changes during HVAC diagnostics - Definition of BTUs and conversion of heat load to tons of refrigeration - Calculation of air-side sensible capacity using measured CFM and temperature split - Identification of common exam traps involving rule-of-thumb assumptions versus measured data For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 3, HVAC Tools and Measurement Accuracy

Fri, 21 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - CAT rating requirements and meter safety protocols for NATE certification - Proper clamp meter usage to avoid false zero amp readings on dual conductors - Temperature and psychrometric sensor field calibration using ice baths and distilled water - Vacuum micron gauge placement and manometer zeroing procedures for accurate diagnostics - NEC 110.14(D) torque wrench requirements and electronic scale charging methods For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 2, Jobsite Safety PPE and Hazard Control

Thu, 20 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How OSHA 1910.147 lockout and tagout procedures require testing for zero energy before touching electrical components. - The 4-to-1 angle ratio and 3-foot landing extension requirement for ladders under OSHA 1926.1053. - Key hazards of refrigerant exposure and oxygen displacement in confined spaces per OSHA 1926 Subpart AA. - Proper PPE standards, including ANSI Z87.1 eye protection and non-synthetic flame-resistant clothing. - The STOP mnemonic for organizing safe jobsite work sequencing on NATE scenario questions. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

NATE HVAC Exam Prep 1, Understanding the CHP-5 Certification Path

Wed, 19 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Five separate 30-question modules that make up the NATE CHP-5 certification pathway - Key differences between the CHP-5 pathway and the traditional Core plus Specialty exam format - How to accurately calculate total external static pressure on the Comfort and Airflow exam - Common exam traps involving NEC voltage drop rules and unit conversion distractors - The "Furious Electricians Create Installed Systems" mnemonic to remember all five CHP-5 domains For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 40, Exam Day Strategy — Common Traps and High-Yield Topics

Tue, 18 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Key recovery efficiency numbers (90% active vs. 80% passive) and the crucial 80% fill limit for recovery cylinders. - The 2026 update to leak rate rules, lowering the trigger threshold from 50 lbs to 15 lbs for HFC systems. - The critical distinction between the Montreal Protocol (Ozone/ODP) and the Kigali Amendment/AIM Act (Climate/GWP). - Why Type III low-pressure systems operating in a vacuum draw air IN during a leak, a common exam question. - Core certification facts: Universal certification never expires and covers all equipment types. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 39, Oil Recovery and Acid Tests — Compressor Health

Mon, 17 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Understand that recovered refrigerant oil is regulated waste and must be disposed of properly, not in drains or regular trash. - Learn that a positive acid test on compressor oil is a definitive sign of a motor burnout, indicating the presence of corrosive acids. - Master the correct procedure after a compressor burnout: a full system flush and replacing the filter-drier are mandatory, not just replacing the compressor. - Differentiate between highly hygroscopic POE oil used with HFCs and less-absorbent mineral oil used with older refrigerants. - Recognize that oil logging in the evaporator reduces system capacity and can starve the compressor of essential lubrication. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 38, Brazing and System Opening — Recover First, Always

Sun, 16 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Always recover refrigerant to 0 psig before applying heat or opening a system to prevent phosgene gas formation and explosions. - During brazing, you must flow a low-pressure purge of dry nitrogen through the tubing to prevent internal oxidation and scale. - Never use compressed air or oxygen for pressure testing; only use dry nitrogen to avoid moisture contamination and explosion risks. - A new filter-drier must be installed every single time a refrigeration system is opened to the atmosphere. - After a repair and successful pressure test, the system must be evacuated to a deep vacuum measured by a micron gauge before recharging. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 37, Evacuation and Deep Vacuum — Microns and Moisture Removal

Sat, 15 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - A micron gauge, not a manifold gauge, is required to measure a deep vacuum and confirm moisture removal. - For high-pressure systems with HFC refrigerants and POE oil, the required evacuation level is below 500 microns. - Moisture left in a system with POE oil can react to form damaging hydrochloric and hydrofluoric acids. - A standing vacuum test is used to verify the system is dry and leak-free after evacuation. - A continuous pressure rise during a standing vacuum test indicates a leak, while a rise that stabilizes indicates outgassing from trapped moisture. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 36, The R-22 Phaseout and the AIM Act HFC Phase-Down

Fri, 14 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical difference between the R-22 phaseout (for ozone, completed) and the HFC phase-down (for climate, ongoing). - Why January 1, 2020, is a key date marking the end of new R-22 production and import. - How the AIM Act of 2020 mandates an 85% reduction of HFCs by 2036 to address their high Global Warming Potential (GWP). - The reason for the rising cost of R-410A and the industry's shift towards low-GWP refrigerants like R-32 and R-454B. - A simple mnemonic to avoid exam traps: "OUT with the Ozone depleters, DOWN with the Degrees." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 35, Refrigerant Safety — Asphyxiation, Frostbite, and Toxic Decomposition

Thu, 13 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why refrigerants, being heavier than air, create a significant asphyxiation risk in confined spaces by displacing oxygen. - The critical safety rule of recovering all refrigerant before brazing to prevent the formation of lethal phosgene gas from chlorinated refrigerants. - How direct contact with liquid refrigerant causes severe frostbite and why proper PPE, like gloves and safety glasses, is essential. - The specific primary hazards of other refrigerants, such as ammonia (toxic and flammable) and hydrocarbons (flammable). - A mnemonic to remember the danger of heated chlorinated refrigerants: "If you heat the chlorine, you'll make a deadly scene." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 34, How the EPA 608 Exam Is Structured and Scored

Wed, 12 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The EPA 608 exam consists of four independent 25-question sections: Core, Type I, Type II, and Type III. - A passing score of 72%, which is 18 out of 25 correct answers, is required for each section in a standard proctored exam. - The Core section is mandatory and must be passed to receive any type of certification; you cannot be certified without it. - Failing one section does not invalidate the sections you passed; you earn certification for the passed sections and only need to retake the ones you failed. - Universal Certification is achieved by passing all four sections, and the certification does not expire. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 33, Universal Certification — What It Covers and Scoring

Tue, 11 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That Universal Certification is earned by passing the Core, Type I, Type II, and Type III sections, not by taking a separate 'Universal' exam. - Each of the four exam sections contains 25 multiple-choice questions, and a passing score is 72%, or 18 questions correct. - Passing the Core section by itself does not grant any certification; it is a mandatory prerequisite for earning a Type I, II, or III certification. - If you fail a section, you only need to retake the specific section you failed, not the entire 100-question test. - While the certification is for life and does not expire, technicians are always required to follow the most current EPA regulations. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 32, Charging and Breaking the Vacuum on Low-Pressure Systems

Mon, 10 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why you must always break the vacuum on a low-pressure chiller with refrigerant vapor before adding any liquid. - The specific refrigerant saturation temperature, 36°F, that must be reached with vapor before liquid charging can begin. - How introducing liquid refrigerant into a deep vacuum can flash-freeze and rupture water tubes, a common exam trap. - Why low-pressure systems are prone to air and moisture leaking in, rather than refrigerant leaking out. - The importance of a standing pressure-rise vacuum test to confirm a repair is leak-tight before charging. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 31, Recovery of Low-Pressure Refrigerants — Recovery Units and Order

Sun, 09 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why a dedicated recovery unit with a 10 psig high-pressure cutout is required for low-pressure systems. - The correct recovery sequence is always vapor first, then liquid, to prevent water in the chiller tubes from freezing. - How circulating warm water helps boil refrigerant out of the system's oil for a more complete recovery. - The critical importance of breaking the system's vacuum with dry nitrogen, never ambient air, to avoid moisture contamination. - Common exam traps, such as reversing the recovery order or using a high-pressure machine on a low-pressure chiller. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 30, The Purge Unit — Removing Non-Condensables from Chillers

Sat, 08 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That purge units are required on low-pressure chillers because they operate in a vacuum, which causes leaks to draw air and moisture into the system. - Why non-condensable gases accumulate at the top of the condenser, where the purge unit is located to remove them. - That excessive or frequent purge unit operation is a critical exam indicator that the chiller has a leak and needs to be repaired. - How moisture contamination in a chiller leads to the formation of highly corrosive hydrochloric and hydrofluoric acids. - The difference between older purge units that vented refrigerant and modern low-loss units designed to comply with EPA regulations. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 29, Operating in a Vacuum — How Low-Pressure Systems Pull in Air

Fri, 07 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why leaks in low-pressure chillers draw air and moisture INTO the system instead of venting refrigerant out. - That the primary indicator of a leak in a low-pressure system is high condenser (head) pressure. - The function of a purge unit is to continuously remove non-condensables that enter through leaks. - How to perform a leak test by pressurizing the system with dry nitrogen, never exceeding 10 psig. - The crucial exam trap assuming low-pressure systems leak outward like high-pressure systems. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 28, Type III — Low-Pressure Refrigerants and Centrifugal Chillers

Thu, 06 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify Type III appliances and their associated low-pressure refrigerants like R-11 and R-123. - The critical concept that low-pressure systems operate in a vacuum, causing leaks to pull air and moisture inward. - The primary function of a purge unit and why its excessive operation indicates a system leak. - The correct, exam-specified procedure for leak testing a low-pressure chiller, including the 10 psig nitrogen pressure limit. - Key safety and pressure points to memorize, such as the 15 psig rupture disc setting and the 25 mm Hg absolute recovery requirement. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 27, Recovery of High-Pressure Refrigerants — Methods and Targets

Wed, 05 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To use the push-pull method for rapid liquid recovery from large systems and standard vapor-liquid recovery for smaller ones. - The critical difference between the 0 psig recovery target for opening a system versus the deep vacuum required for post-repair evacuation. - Why you must never mix refrigerants in a recovery cylinder or fill it beyond 80% capacity. - The life-threatening danger of creating toxic phosgene gas by applying heat to a system before all refrigerant is recovered. - Key EPA record-keeping requirements for refrigerant recovery on appliances containing 50 or more pounds of refrigerant. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 26, POE Oil and the Moisture Problem in R-410A Systems

Tue, 04 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why R-410A systems mandate the use of synthetic POE (polyolester) oil. - How the hygroscopic nature of POE oil leads to the formation of corrosive acids and sludge when exposed to moisture. - The critical exam requirement of pulling a deep vacuum to 500 microns or lower, verified by a micron gauge. - Common exam traps involving oil incompatibility between POE and mineral oil, and improper evacuation techniques. - The memorable phrase "POE Hates H2O" to recall the destructive relationship between polyolester oil and water. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 25, Why R-410A Cannot Replace R-22 in Older Systems

Mon, 03 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why R-410A's operating pressure is 50-70% higher and poses a rupture risk to R-22 components. - The critical incompatibility between R-22's mineral oil and R-410A's synthetic POE oil. - Why POE oil's hygroscopic nature (moisture absorption) is a key service consideration. - That metering devices are specifically calibrated and not interchangeable between the two refrigerants. - A mnemonic to remember the key issues: P.O.P. (Pressure, Oil, Parts). For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 24, Very High-Pressure Refrigerants — R-744 and Subcritical CO2

Sun, 02 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - R-744 (CO2) is the primary very-high-pressure refrigerant on the EPA 608 exam, with operating pressures far exceeding traditional systems. - Servicing R-744 systems requires specialized equipment and gauges rated for pressures that can exceed 2000 psig. - The critical temperature for R-744 is 87.8°F; above this point, the system operates in a transcritical state. - Despite an A1 safety rating, R-744 is a dangerous asphyxiant, and leak detection in enclosed spaces is a critical safety concern. - A Type II or Universal EPA 608 certification is mandatory to legally work on very-high-pressure R-744 systems. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 23, Type II — High-Pressure Refrigerants (R-22, R-410A, R-407C)

Sat, 01 Aug 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That Type II certification covers high-pressure (R-22, R-410A) and very-high-pressure (R-744 CO2) appliances. - Why R-410A's higher operating pressures require dedicated gauges, hoses, and recovery equipment rated for that service. - The proper procedure for charging zeotropic blends like R-407C as a liquid to prevent fractionation. - The mandatory annual leak repair trigger rates for systems over 50 lbs: 10% for comfort cooling and 20% for commercial refrigeration. - Key differences between the phased-out HCFC R-22 and modern HFC refrigerants like R-410A and R-407C. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 22, Small Appliance Refrigerants — R-134a, R-12, and Hydrocarbons

Fri, 31 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical 1995 manufacturing year that distinguishes R-12 (CFC) systems from R-134a (HFC) systems on the exam. - The environmental trade-offs between R-12 (high ODP), R-134a (high GWP), and R-600a (low GWP). - Why the primary safety concern for modern hydrocarbon refrigerants like R-600a is their A3 flammability classification. - The specific EPA charge limit for flammable refrigerants in domestic appliances is a tiny 57 grams. - The number one rule for technicians is to always verify the refrigerant type on the appliance nameplate before service. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 21, Heating Recovery Cylinders and Safe Warm-Up Methods

Thu, 30 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why heating a recovery cylinder creates a pressure differential to speed up refrigerant recovery. - The only safe, EPA-approved heating methods, such as warm water baths and dedicated electric heat blankets. - Why you must never use an open flame, like a torch, due to severe explosion risk and toxic gas formation. - That refrigerant cylinders should never be heated above 125°F to avoid dangerous over-pressurization. - How high heat contact with certain refrigerants can create deadly phosgene gas, a key exam topic. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 20, Recovery Cylinders and the 80 Percent Fill Rule

Wed, 29 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Recovery cylinders must never be filled beyond 80% of their capacity by weight to allow for thermal expansion. - Always use a scale and know the cylinder's tare weight (TW) and water capacity (WC) to calculate the maximum fill level. - Overfilling can cause hydrostatic pressure, leading to a violent and dangerous cylinder rupture. - It is a violation to mix different types of refrigerants in the same recovery cylinder. - Recovery cylinders are gray with yellow tops and require hydrostatic testing every five years. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 19, Self-Contained Recovery on Small Appliances — the 90% Standard

Tue, 28 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Self-contained recovery machines must be certified to recover 90% of the refrigerant from a small appliance if its compressor is operational. - The 80% recovery standard applies only when a small appliance's compressor is inoperative. - Do not confuse the machine's recovery efficiency (90%/80%) with the required field evacuation level of a 4-inch mercury vacuum before opening the system. - Self-contained (active) recovery is much faster than passive recovery and is mandatory for systems with more than 15 lbs of refrigerant. - A helpful mnemonic: "Active and Able gets you to Ninety," linking the more capable active machine to the higher 90% standard. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 18, System-Dependent Recovery on Small Appliances — the 80% Standard

Mon, 27 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That system-dependent (passive) recovery is only permissible for small appliances with 5 pounds or less of refrigerant. - The two critical recovery standards for small appliances: 90% for an operative compressor and 80% for an inoperative compressor. - Specific techniques for recovering from a system with a non-functional compressor, such as gently heating the compressor (never with an open flame). - How to differentiate between the 80% recovery efficiency rule and the separate 80% cylinder fill safety limit, a common exam trap. - The mnemonic: A dead compressor can't give 90%, only a B-grade, 80%. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 17, Type I Open-Book Exam and the Passing Scores

Sun, 26 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That the EPA 608 Type I exam is the only section that can be administered in an open-book format. - The different passing scores: 84% for the open-book Type I exam versus 72% for the closed-book Core, Type II, and Type III exams. - That earning a Type I certification requires passing both the Core section and the Type I section. - To avoid the common exam trap of assuming that Type II or Type III exams can also be taken open-book. - That while an EPA 608 certification is valid for life and never expires, technicians must always follow current regulations. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 16, Type I — Small Appliances and the 5-Pound Limit

Sat, 25 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The precise three-part definition of a Type I small appliance: factory-manufactured, charged, and hermetically sealed with 5 pounds or less of refrigerant. - Why motor vehicle air conditioners (MVACs) are covered by Section 609 and are a common exam trap for Type I questions. - The specific refrigerant recovery requirements: 90% for a working compressor and 80% for an inoperative compressor. - What "hermetically sealed" means in an exam context and why it necessitates the use of piercing valves for service. - The unique rule allowing the Type I certification exam to be administered as an open-book test and the higher passing score required. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 15, Reclaimers and EPA-Authorized Recycling

Fri, 24 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Only EPA-certified reclaimers can purify used refrigerant to AHRI 700 standards for resale to a new owner. - Recycling is a less intensive cleaning process that allows refrigerant to be reused only in equipment belonging to the same owner. - The key exam distinction is change of ownership: reclaiming allows for resale, while recycling does not. - Following the 2020 ban on virgin R-22, reclaimed R-22 is the only legal supply for servicing older systems. - Exam questions use scenarios to test whether you can differentiate between situations requiring reclamation versus recycling. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 14, Refrigerant Sales Restrictions and the Penalty Bounty

Thu, 23 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why only EPA 608 certified technicians are legally allowed to purchase refrigerants for stationary equipment. - The specific responsibilities of the seller to verify a technician's certification during a refrigerant sale. - The significant financial penalties for violating refrigerant sales laws, with fines up to $37,500 per day per violation. - How the EPA's bounty program works, offering up to a $10,000 reward for tips on violations. - Common exam traps, such as who receives the bounty and the specific exception for small cans of MVAC refrigerant. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 13, Recordkeeping — What Technicians and Owners Must Document

Wed, 22 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The mandatory 3-year record retention period for refrigerant handling activities. - Key documentation required from owners of appliances with 50 or more pounds of refrigerant. - The distinction between a technician's service invoice and an owner's comprehensive compliance log. - How to spot the common exam trick question about illegal "venting records." - A mnemonic, "I DATE QR," to recall the essential items a technician must document on a service record. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 12, Leak Detection Methods — Bubble, Electronic, Ultraviolet, Nitrogen

Tue, 21 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specific applications and limitations of four primary leak detection methods: soap bubble, electronic, UV dye, and nitrogen. - Why you must only use dry nitrogen for pressure testing and the severe dangers of using oxygen or compressed air. - Common exam traps, such as how wind affects electronic detectors and the need for manufacturer approval for UV dyes. - The importance of calibrating electronic leak detectors and the proper technique for using them effectively. - A simple mnemonic, "Never Openly Add Air," to remember the critical safety rule for pressure testing with nitrogen. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 11, Periodic Leak Inspections — When and How Often

Mon, 20 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specific leak rate thresholds that trigger mandatory periodic inspections for different appliance types. - How to distinguish between the quarterly and annual inspection schedules for commercial, IPR, and comfort cooling equipment. - The critical role of the 50-pound and 500-pound charge sizes in determining inspection frequency. - How a continuously monitored automatic leak detection system can eliminate the need for manual periodic inspections. - The 3-year recordkeeping requirement for all leak inspections and the owner's responsibility for maintaining these records. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 10, Leak Repair Requirements and the 50-Pound Threshold

Sun, 19 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The 50-pound charge threshold that triggers mandatory EPA 608 leak repair requirements for ozone-depleting substances. - The specific annual leak rate thresholds for comfort cooling (10%), commercial refrigeration (20%), and industrial process refrigeration (30%). - That owners have 30 days to complete repairs once a leak rate threshold is exceeded, including verification tests. - The crucial difference between being exempt from mandatory repair (under 50 lbs) and the universal illegality of venting refrigerant. - About the major rule change effective January 1, 2026, which lowers the threshold to 15 pounds for HFC refrigerants under the AIM Act. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 9, Recover Before Opening — The 0 psi Rule

Sat, 18 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Before opening any high-pressure refrigerant system for service or disposal, you must recover the refrigerant until the pressure reaches a minimum of 0 psig. - Intentionally venting refrigerant is a federal crime under Section 608 of the Clean Air Act; never cut a charged line. - Understand the critical difference between 0 psig (atmospheric pressure) and a deep vacuum; the exam will test this distinction as a common trap. - For small appliances using system-dependent recovery, you must recover 90% of the charge (working compressor) or 80% (inoperative compressor), and may need to apply heat to reach the target. - Proper documentation of refrigerant recovery is required for appliance disposal, and new recovery cylinders must be evacuated before their first use. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 8, Refrigerant Recovery Equipment — System-Dependent vs Self-Contained

Fri, 17 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - System-dependent (passive) recovery uses the appliance's own compressor and is only for small appliances (15 lbs or less). - Self-contained (active) recovery has its own compressor and can be used on any size system. - For small appliances, recovery equipment must be able to capture 90% of the charge with a working compressor or 80% with a non-working one. - A common exam trap is applying the 80%/90% recovery percentages to large systems, which instead require specific vacuum levels. - An alternative to percentage-based recovery on small appliances is to pull a 4-inch mercury vacuum. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 7, Recovery, Recycling, and Reclaim — Three Different Things

Thu, 16 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The definition of refrigerant recovery as the simple removal and storage of refrigerant from a system. - The critical "same-owner" rule for using recycled refrigerant and why it cannot be sold. - How reclamation processes used refrigerant to meet virgin product purity under AHRI Standard 700. - The exclusive role of an EPA-certified reclaimer in making used refrigerant legal for resale. - How to distinguish between exam question scenarios involving recycling versus reclaiming based on ownership and purity standards. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 6, The Kigali Amendment and the HFC Phase-Down

Wed, 15 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Kigali Amendment targets high-GWP HFC refrigerants for their climate impact, not ozone depletion. - The U.S. implements the HFC phase-down through the American Innovation and Manufacturing (AIM) Act of 2020. - The national goal is a mandatory 85% reduction in HFC production and consumption by the year 2036. - A common exam trap is confusing the purpose of the original Montreal Protocol (ozone) with the Kigali Amendment (global warming). - The industry is shifting to low-GWP alternatives like HFOs (e.g., R-1234yf), CO2, and hydrocarbons. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 5, Ozone Depletion Potential (ODP) and Global Warming Potential (GWP)

Tue, 14 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How Ozone Depletion Potential (ODP) is measured against the baseline refrigerant R-11 and is driven by chlorine content. - How Global Warming Potential (GWP) is measured against Carbon Dioxide over 100 years and can be thousands of times higher for common HFC refrigerants. - The critical exam trap of confusing zero ODP with being environmentally safe, while ignoring a refrigerant's high GWP. - The specific ODP and GWP values for key refrigerants tested on the exam, including R-22, R-134a, R-410A, and R-1234yf. - A simple mnemonic to separate ODP (Ozone/Chlorine) from GWP (Global/CO2) to quickly answer exam questions correctly. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 4, CFC, HCFC, and HFC Refrigerants — What's the Difference

Mon, 13 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The key chemical difference (the presence of chlorine and hydrogen) that defines CFCs, HCFCs, and HFCs. - Why CFCs have the highest Ozone Depletion Potential (ODP) and were phased out under the Montreal Protocol. - The role of HCFCs like R-22 as transitional refrigerants and the importance of the January 1, 2020 production ban. - The most common exam trap: Understanding that HFCs have zero ODP but a high Global Warming Potential (GWP), leading to their current phase-down under the AIM Act. - A simple mnemonic to quickly recall the environmental impact of each refrigerant class during the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 3, The Montreal Protocol and the Ozone Layer

Sun, 12 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The direct link between the 1987 Montreal Protocol and the phasing out of ozone-depleting CFCs and HCFCs. - How a single chlorine atom from refrigerants can destroy up to 100,000 ozone molecules in the stratosphere. - The difference between Clean Air Act Section 608 (stationary equipment) and Section 609 (motor vehicle AC). - A common exam trap: confusing the Montreal Protocol (ozone) with the Kyoto Protocol or Kigali Amendment (climate change). - The mnemonic "Montreal Ozone" to remember the treaty's primary purpose on the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 2, The Four Certification Types — Type I, II, III, and Universal

Sat, 11 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Type I certification is strictly for small appliances containing 5 pounds or less of refrigerant that are also hermetically sealed in a factory. - Type II certification covers the most common high-pressure systems, like residential and commercial AC, with a heavy exam focus on leak repair trigger rates for systems over 50 lbs. - Type III certification is for low-pressure appliances, such as centrifugal chillers, where the main exam topic is air and moisture leaking *into* the system because it operates in a vacuum. - The rupture disc on a low-pressure chiller, a key Type III exam fact, is set to 15 psig to prevent system damage from over-pressurization. - Universal certification is not a separate exam but is earned by passing all four individual sections: Core, Type I, Type II, and Type III. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

EPA 608 Prep 1, Who Needs a Section 608 Certification

Fri, 10 Jul 2026 01:44:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Anyone who maintains, services, repairs, or disposes of appliances with regulated refrigerants (CFCs, HCFCs, HFCs) must hold an EPA 608 certification. - An uncertified apprentice can only work under the direct, on-site supervision of a certified technician. - The four certification types are Type I (small appliances ≤5 lbs), Type II (high-pressure), Type III (low-pressure), and Universal, with the Core exam being a prerequisite for all. - A common exam trap involves distinguishing between the certified technician who purchases refrigerant and the supply house employee who only needs to verify the buyer's certification. - Working without certification is a federal violation under the Clean Air Act with severe penalties, including fines that can exceed $37,500 per day per violation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 50, Detect and Avoid (DAA) and BVLOS Foundations

Wed, 17 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - What Detect and Avoid (DAA) technology is and its foundational role in drone operations. - Why DAA is a mandatory component for obtaining a Beyond Visual Line of Sight (BVLOS) waiver under Part 107. - How the right-of-way rule in §107.37 always requires a drone to yield to manned aircraft, regardless of its DAA system. - The most common exam trap: mistakenly believing that an advanced DAA system grants a drone the right-of-way. - The functional pillars of a DAA system, from initial detection to returning to the original flight path. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 49, Standard Remote ID vs Broadcast Modules

Tue, 16 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Standard Remote ID is built into a drone and broadcasts the control station's live, dynamic location. - A Remote ID Broadcast Module is an add-on for older drones that only broadcasts the initial take-off location. - A common FAA Part 107 exam trap involves scenarios where the pilot moves after takeoff; you must know which location (control station vs. takeoff) is being broadcast. - The mnemonic "Standard Sends the Station, Module Marks the Memory" helps differentiate the two systems. - Flying exclusively within an FAA-Recognized Identification Area (FRIA) is the primary exception to the Remote ID rule. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 48, Night Vision Physiology — Autokinetic Effect and Illusions

Mon, 15 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The autokinetic effect is when a stationary light appears to move; mitigate it by continuously scanning the sky and not fixating on the light. - Recognize night illusions like the false horizon, where sloping clouds or ground lights are mistaken for the actual horizon, leading to disorientation. - Optimal dark adaptation for night vision takes approximately 30 minutes, a key testable fact on the FAA Part 107 exam. - Preserve night vision by using a red flashlight and avoiding bright white lights from phones or other sources before and during a flight. - Physiological factors like age, fatigue, smoking, and altitude can significantly impair your night vision capabilities. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 47, Night Operations — Anti-Collision Lighting

Sun, 14 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Anti-collision lights are mandatory for all drone operations during civil twilight and at night, as per 14 CFR Part 107.29. - The lights must be visible for a minimum of 3 statute miles, a specific number frequently tested on the exam. - The required flash rate is defined by its purpose—being sufficient to avoid a collision—not by a specific number of flashes per minute. - A common exam trap is to confuse the single required anti-collision light with the red, green, and white navigation lights used on manned aircraft. - The Remote Pilot in Command has the authority to reduce the light's intensity for safety, such as preserving night vision, but cannot turn it off completely during the operation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 46, Vision and Scanning Techniques

Sat, 13 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The FAA-approved method for systematically scanning the sky in 10-degree segments. - How empty field myopia creates a hazard by causing your eyes to lose focus at a distance. - The different roles of central and peripheral vision in detecting and identifying air traffic. - The correct technique of looking slightly off-center to spot objects in low-light conditions. - Why sunglasses can reduce contrast and which lens color is recommended for pilots. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 45, Physiology — Hypoxia, Fatigue, Stress, Dehydration

Fri, 12 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why hypoxia symptoms are tested on the Part 107 exam, even though drone pilots operate from the ground. - How to differentiate between the nearly identical symptoms of hypoxia and hyperventilation, a common exam trap. - That the FAA equates the impact of acute fatigue on judgment and reaction time to that of alcohol impairment. - How stress can cause attentional narrowing, or 'tunnel vision,' leading a pilot to miss critical hazards. - That even mild dehydration, as little as 1.5% body water loss, can significantly degrade a pilot's cognitive performance. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 44, Emergency Procedures — Flyaways, Fire, Lost Link

Thu, 11 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - A flyaway is an unresponsive drone; the first action is to switch to ATTI mode to attempt to regain manual control. - A lost link is a communication failure where the drone should follow its pre-set Return-to-Home (RTH) procedure. - Never use water on a LiPo battery fire; the correct response is a Class D extinguisher or smothering it with sand. - Pre-flight planning is critical, including setting a safe RTH altitude to clear all potential obstacles. - Exam questions often create scenarios to test if you can distinguish between a flyaway and a lost link and choose the appropriate response. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 43, Lost Link Procedures and Failsafe Settings

Wed, 10 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - A "lost link" is the loss of the command-and-control signal, and your pre-programmed failsafe setting determines the drone's action. - The three common failsafe options are Return-to-Home (RTH), hover, and land-in-place. - Your Return-to-Home (RTH) altitude must always be set higher than the tallest obstacle in your flight operation area. - The Remote Pilot in Command (PIC) is ultimately responsible for the outcome of a lost link event, even if automated procedures are active. - A lost link that results in serious injury or property damage over $500 may require an accident report to the FAA within 10 days under Part 107.9. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 42, Right of Way Rules — Yielding to Manned Aircraft

Tue, 09 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why a small unmanned aircraft must always yield right-of-way to all other aircraft under FAA Part 107.37. - The absolute responsibility of the Remote Pilot in Command to 'see and avoid' manned aircraft. - Correct procedures for handling a converging course with another aircraft during an exam scenario. - Common exam traps involving scenarios where manned aircraft appear to be operating unusually. - A memorable phrase to ensure you always remember to yield and take evasive action. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 41, Crew Resource Management for Drones

Mon, 08 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That Crew Resource Management (CRM) applies even to solo pilots through the effective use of resources like checklists and weather apps. - The Remote Pilot in Command (PIC) is responsible for conducting a thorough pre-flight briefing to ensure all crew members understand their roles and emergency procedures. - How to apply the "sterile cockpit" rule, which prohibits non-essential conversations during critical phases of flight to minimize distractions. - Why the Remote PIC always has the final authority and responsibility for the operation, even when encouraging open communication among the crew. - How to use the PAVE mnemonic (Pilot, Aircraft, enVironment, External pressures) as a practical tool to manage resources and mitigate risks before every flight. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 40, IMSAFE Personal Pre-Flight Checklist

Sun, 07 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specific meaning of each letter in the IMSAFE checklist: Illness, Medication, Stress, Alcohol, Fatigue, and Emotion. - The FAA's strict "8-hour bottle-to-throttle" rule and the blood alcohol concentration limit of less than 0.04 percent. - How common over-the-counter medications, especially those causing drowsiness like antihistamines, can be disqualifying for flight. - Why the FAA considers external pressures like work-related stress or strong emotions as direct threats to flight safety. - How to apply the IMSAFE checklist to scenario-based exam questions and identify the most conservative, safety-first answer. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 39, PAVE Checklist for Risk Management

Sat, 06 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The PAVE checklist (Pilot, Aircraft, enVironment, External Pressures) is a foundational risk management tool for every drone flight. - The 'Pilot' assessment hinges on the IMSAFE checklist (Illness, Medication, Stress, Alcohol, Fatigue, Emotion) to determine fitness for flight. - 'Aircraft' evaluation requires a thorough pre-flight inspection to confirm the drone is airworthy, including batteries, propellers, and firmware. - 'enVironment' analysis includes checking weather, terrain, obstacles, and, critically, airspace classifications and restrictions like TFRs. - Recognizing and resisting 'External Pressures', such as client demands or 'get-there-itis', is a key decision-making skill tested on the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 38, The Five Hazardous Attitudes and Antidotes

Fri, 05 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To identify the five hazardous attitudes: Anti-Authority, Impulsivity, Invulnerability, Macho, and Resignation. - The specific antidote for each hazardous attitude and how to apply it during flight operations. - How scenario-based exam questions test your knowledge of Aeronautical Decision Making. - To differentiate between similar attitudes, like Macho and Invulnerability, to avoid common exam traps. - A helpful mnemonic, I'M AIR, to easily recall the five hazardous attitudes. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 37, Aeronautical Decision Making — DECIDE Model

Thu, 04 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The DECIDE model is a six-step framework for systematic Aeronautical Decision Making (ADM). - The steps are: Detect, Estimate, Choose, Identify, Do, and Evaluate. - Exam questions will test your ability to apply the correct step to a given in-flight scenario, not just recite the acronym. - A common exam trap is confusing "Choose a desirable outcome" (the goal) with "Identify actions" (the specific steps to reach the goal). - The DECIDE model is the FAA's preferred structured approach over impulsive or "gut" reactions during emergencies like lost links or sudden weather changes. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 36, Load Factor and Performance Limits

Wed, 03 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Load factor is the G-force stress on a drone's airframe during maneuvers. - A 60-degree banked turn imposes a 2 G load factor, effectively doubling the drone's weight on its structure. - Aggressive maneuvers, especially in wind, can push a drone beyond its structural load limits. - Drone performance charts assume a standard atmosphere and must be adjusted for density altitude. - High density altitude (from high elevation, heat, or humidity) reduces drone performance and its ability to handle high load factors. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 35, Battery Management and Flight Time

Tue, 02 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How cold weather below 50°F dramatically reduces LiPo battery performance and flight duration. - The importance of landing with a 20-30% battery reserve to handle voltage sag and unexpected events. - Why you must never fly with a swollen or physically damaged battery due to extreme fire risk. - The critical difference between a manufacturer's ideal flight time and your actual, real-world flight time under load and in wind. - Proper long-term battery care, including storing LiPo batteries at a 50-60% charge level to maximize their lifespan. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 34, Effects of Exceeding Maximum Weight

Mon, 01 Jun 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The absolute, non-waivable maximum takeoff weight for a small UAS under FAA Part 107 is less than 55 pounds. - How increased weight negatively impacts key performance areas like takeoff distance, climb rate, and maneuverability. - The direct relationship between aircraft weight, increased power consumption, and reduced flight endurance. - Why the FAA tests concepts like increased stall speed, even for multirotor drones, in relation to operating at higher weights. - A common exam trap involving cold weather operations and how reduced battery output compounds the dangers of flying a heavy aircraft. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 33, Center of Gravity and Why It Matters

Sun, 31 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The definition of Center of Gravity (CG) and its role as the aircraft's balance point. - How a forward CG increases a drone's stability but decreases its maneuverability and performance. - The significant dangers of an aft CG, which leads to instability and makes stall recovery extremely difficult. - That any change in payload requires the Remote Pilot in Command to verify the CG remains within the manufacturer's specified limits. - A simple mnemonic: 'Forward is forgiving, Aft is frightening,' to recall the handling characteristics for the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 32, Microbursts, Wind Shear, Fog, and Icing

Sat, 30 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify a microburst by its intense, localized downdraft and why you must stay at least 20 nautical miles away from thunderstorms that could produce them. - The critical difference between various types of wind shear and where to expect this hazard during low-altitude drone operations. - The specific temperature and dew point spread that creates fog and how to differentiate between radiation, advection, and upslope fog on the exam. - The two essential conditions required for structural icing on a drone and why below-freezing temperatures alone are not enough. - A simple mnemonic to remember the relationship between temperature, dew point, and fog formation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 31, Density Altitude and Drone Performance

Fri, 29 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - What density altitude truly means: it's the altitude your drone "feels" like it's at, not its actual height. - The three factors that increase density altitude and hurt performance: high elevation, high temperatures, and high humidity. - How high density altitude negatively impacts drone capabilities, leading to reduced climb rates and shorter flight times. - A common exam trap: high humidity makes air less dense, which worsens drone performance. - The mnemonic "HOT, HIGH, HUMID = HARD" to remember the causes and effects of high density altitude. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 30, Visibility, Cloud Clearance, and the 3 SM / 500 ft Rule

Thu, 28 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The absolute minimum weather requirements for Part 107 operations: 3 statute miles of visibility, 500 feet below clouds, and 2,000 feet horizontally from clouds. - How the FAA exam tests the critical rule that visibility is measured from the Remote Pilot's control station, not the drone's camera. - Common exam traps involving official weather reports versus a pilot's subjective assessment of visibility. - Why Part 107 weather minimums are stricter and remain constant compared to the more lenient rules for manned aircraft in certain airspace. - A simple mnemonic, "3-5-2, from the pilot's view," to retain the core visibility and cloud clearance rules for your exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 29, Decoding TAFs

Wed, 27 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to correctly interpret a TAF's valid time period (e.g., 1212/1318) for flight planning. - The critical difference between a rapid change (FM) and a gradual change (BECMG) in weather conditions. - How temporary conditions (TEMPO) are tested against prevailing conditions on the exam. - The meaning of probability forecasts (PROB30/PROB40) and how they apply to your go/no-go decision. - Why a TAF is a forecast limited to a 5-statute-mile radius around an airport and not a real-time report. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 28, Decoding METARs

Tue, 26 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That wind direction in a METAR is always reported in True North, a common exam trap. - Cloud base heights are given in feet Above Ground Level (AGL), not Mean Sea Level (MSL). - A ceiling is defined only as the first cloud layer reported as Broken (BKN) or Overcast (OVC). - The spread between temperature and dew point indicates moisture levels, with a small spread suggesting high humidity and potential for fog. - A SPECI report is a special, unscheduled update issued due to significant weather changes between routine METARs. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 27, Weather Sources — Where to Get a Briefing

Mon, 25 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The three primary, FAA-approved sources for obtaining a legal weather briefing (1-800-WX-BRIEF, aviationweather.gov, 1800wxbrief.com). - Why common sources like TV news and general weather apps are not acceptable for official pre-flight briefings. - The specific purposes and timing for requesting a Standard, Abbreviated, or Outlook weather briefing. - How Electronic Flight Bag (EFB) apps are treated and why the underlying data source is what matters for compliance. - A simple mnemonic to remember the official sources and avoid common exam traps related to weather information. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 26, CTAF Communication at Non-Towered Airports

Sun, 24 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To locate the Common Traffic Advisory Frequency (CTAF) for a non-towered airport in the Chart Supplement or on a sectional chart. - That while not mandatory for Part 107 pilots, monitoring CTAF and self-announcing your position is a critical safety best practice near airports. - How to interpret standard pilot announcements to build situational awareness of manned aircraft positions and intentions. - The difference between CTAF (pilot-to-pilot), UNICOM (air-to-ground advisory service), and MULTICOM (used when no other frequency is assigned). - That manned aircraft typically enter the traffic pattern at a 45-degree angle to the downwind leg, helping you anticipate their movements. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 25, Airport Markings, Beacons, and Wind Indicators

Sat, 23 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify civilian (white/green) versus military (white/white/green) airport beacons. - The critical difference between a wind sock, which points downwind, and a tetrahedron, which points into the wind. - How to interpret runway numbers as magnetic headings by adding a zero (e.g., Runway 27 equals 270°). - The function of a segmented circle and its L-shaped indicators for determining traffic pattern direction. - When to expect an airport's rotating beacon to be operational: from dusk until dawn and during daytime instrument meteorological conditions (IMC). For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 24, Stadium TFRs, DC SFRA, and No-Fly Zones

Fri, 22 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The absolute prohibition of drone flights within the 15-nautical-mile Flight Restricted Zone (FRZ) of the Washington DC SFRA. - How to apply the '3-3-1-1' rule for Stadium TFRs: a 3 NM radius, up to 3,000 feet AGL, from 1 hour before to 1 hour after an event. - The jurisdictional difference between the FAA (airspace) and the National Park Service (land use) regarding flights in National Parks. - The critical importance of checking for dynamic TFRs, such as those over wildfires, before every single flight. - Your responsibility as a Remote Pilot in Command to check NOTAMs and use tools like the B4UFLY app for pre-flight planning. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 23, NOTAMs and TFRs

Thu, 21 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - A NOTAM (Notice to Air Missions) is a time-critical advisory about hazards or changes in the National Airspace System. - A TFR (Temporary Flight Restriction) is a specific type of NOTAM that legally prohibits aircraft, including drones, from operating in a defined area for safety or security reasons. - Violating a TFR is a serious offense; always check official FAA sources for active TFRs before every flight. - Stadium TFRs apply to specific major sporting events, restricting flight within a 3 nautical mile radius and up to 3,000 feet AGL, from one hour before to one hour after the event. - The Part 107 exam tests your ability to differentiate a NOTAM's informational role from a TFR's restrictive power and to apply the specific parameters of stadium TFRs. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 22, Special Use Airspace — Prohibited, Restricted, MOAs

Wed, 20 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The absolute prohibition of flying in Prohibited Areas (P-) for Part 107 operators and why there are no exceptions. - How to determine if a Restricted Area (R-) is active by checking sectional chart notes and the requirement to get permission from the controlling agency. - The critical exam distinction between MOAs and Restricted Areas: entry into an MOA is allowed but requires extreme caution, while entry into an active Restricted Area is forbidden without permission. - How to identify these five types of Special Use Airspace on a sectional chart using their hatched borders and alphanumeric identifiers. - The mnemonic "Please Remember Why My Alerts matter" to recall the rules for Prohibited, Restricted, Warning, MOA, and Alert Areas. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 21, LAANC — Automatic Authorization

Tue, 19 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - What LAANC is and which specific types of controlled airspace it applies to (Class B, C, D, and surface E). - How UAS Facility Maps (UASFM) dictate the pre-approved altitude ceilings for automatic authorization. - The critical difference between an automatic LAANC authorization and a request requiring further coordination. - Common exam traps, such as misapplying LAANC to Class G airspace or misunderstanding a '0' altitude grid. - The process of using an approved third-party application to submit a LAANC request for near-real-time approval. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 20, Latitude, Longitude, and Chart Scale

Mon, 18 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To differentiate latitude (flat, east-west lines measuring north-south) from longitude (long, north-south lines measuring east-west). - The method for reading degrees and minutes on a sectional chart to pinpoint a location's coordinates for an exam question. - To understand the 1:500,000 scale on a VFR sectional chart and its real-world translation to nautical and statute miles. - The practical steps for measuring distance between two points using the plotter scale provided in the FAA testing supplement. - How to avoid common exam traps, such as confusing nautical miles with statute miles when answering distance questions. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 19, Reading Sectional Charts — Symbols and Colors

Sun, 17 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Solid blue lines represent Class B airspace, while solid magenta lines represent Class C airspace. - Dashed blue lines indicate Class D airspace starting at the surface; dashed magenta lines show Class E airspace starting at the surface. - A fuzzy, shaded magenta vignette means Class E airspace begins at 700 feet AGL, with Class G airspace below it. - Blue airport icons signify an airport with a control tower, whereas magenta icons denote an airport without one. - The mnemonic 'Blue is for Busy' helps recall that blue symbols relate to the busiest, most controlled airspaces and airports. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 18, Class E and Class G Airspace

Sat, 16 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify Class E airspace starting at 700 ft AGL (magenta vignette) versus 1,200 ft AGL on a sectional chart. - The critical difference between a fuzzy magenta border and a dashed magenta line, and when LAANC authorization is required. - Why most Part 107 flights occur in Class G airspace and what that means for authorization. - The specific weather and cloud clearance minimums (3 statute miles visibility, 500 feet below clouds) that apply even in uncontrolled Class G airspace. - A simple mnemonic to avoid common exam traps related to Class E and G chart symbols. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 17, Class C and Class D Airspace

Fri, 15 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To identify Class C airspace by its solid magenta lines and Class D by its dashed blue lines on a sectional chart. - To understand the 'upside-down wedding cake' structure of Class C airspace, with its surface core and outer shelf. - To recognize the typical dimensions of Class D airspace and how its ceiling is marked in feet MSL. - How to avoid the common exam trap of confusing Mean Sea Level (MSL) with Above Ground Level (AGL) for airspace ceilings. - That LAANC authorization is required for Part 107 drone flights in both Class C and Class D airspace. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 16, Class B Airspace — Where and Why

Thu, 14 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify Class B airspace on a sectional chart by its solid blue lines. - The meaning of the "upside-down wedding cake" structure and how to read its altitude floors and ceilings in MSL. - The absolute requirement for FAA authorization, primarily through LAANC, before any drone operation within Class B airspace. - How UAS Facility Maps dictate the maximum pre-approved flight altitudes for LAANC authorizations. - Common exam traps, including the critical difference between MSL and AGL altitudes and misidentifying airspace boundaries. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 15, Airspace Class Overview — A Through G

Wed, 13 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The fundamental difference between controlled (A, B, C, D, E) and uncontrolled (G) airspace for Part 107 drone operations. - How to identify the chart symbology for each airspace class, such as solid blue lines for Class B and dashed blue lines for Class D. - Which airspace classes always require LAANC authorization for drone flight, specifically Classes B, C, D, and surface-level Class E. - Common Part 107 exam traps, including the critical distinction between altitudes measured in Mean Sea Level (MSL) and Above Ground Level (AGL). - The specific rules for Class E airspace and how to determine its floor based on faded or dashed magenta lines on a sectional chart. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 14, The Waiver Process — FAA Form 7711-2

Tue, 12 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specific Part 107 regulations that are eligible for a Certificate of Waiver, such as operating beyond visual line of sight or from a moving vehicle. - The critical regulations that can NEVER be waived, including the 55-pound maximum weight limit and the prohibition on careless operations. - The crucial difference between a long-lead-time waiver and a near-real-time LAANC airspace authorization, a common exam confusion point. - The requirement to submit a detailed safety case via the FAA DroneZone portal, proving an equivalent level of safety for your proposed operation. - The typical 90-day processing time for waivers and why this makes last-minute waived operations impossible. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 13, Careless, Reckless, and Hazardous Operations

Mon, 11 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - §107.23 prohibits both careless/reckless flying and dropping objects that create an undue hazard to people or property. - The FAA exam will test your ability to distinguish between careless (negligent) and reckless (willful disregard for safety) actions in operational scenarios. - Under §107.19 and §107.37, a small unmanned aircraft must always yield the right-of-way to all other aircraft, without any exceptions. - Exam questions often present scenarios with unpredictable manned aircraft; as the Remote PIC, your responsibility is always to see, avoid, and yield. - A helpful mnemonic, "Drones Don't Dominate," reinforces that drones are at the bottom of the aviation hierarchy and must give way to all other airborne vehicles. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 12, Alcohol, Drugs, and Medication Rules

Sun, 10 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Part 107 remote pilots must follow the same strict alcohol and drug rules as manned aircraft pilots, as specified in 14 CFR §91.17. - You must satisfy three separate alcohol rules: no flying within 8 hours of consumption, a blood alcohol level below 0.04%, and not being under the influence. - Any drug, including common over-the-counter medications like cold remedies with antihistamines, that affects your abilities in any way contrary to safety is prohibited. - The responsibility to determine if a medication is safe for flight rests solely with the pilot, as the FAA does not provide a definitive list of approved drugs. - Use the 'IMSAFE' mnemonic (Illness, Medication, Stress, Alcohol, Fatigue, Emotion) as a personal pre-flight checklist to assess your fitness to fly. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 11, Preflight Inspection Requirements

Sat, 09 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Remote Pilot in Command (PIC) is always ultimately responsible for the preflight inspection, even if the task is delegated. - There is no standardized FAA-required preflight checklist; you must follow the drone manufacturer's recommended procedures. - Preflight assessment under §107.49 includes the operating environment, risks to people, aircraft condition, control links, sufficient power, and crew briefings. - "Sufficient power" means enough for the planned flight plus a reserve for contingencies, not just a full battery charge. - A common exam trap is the idea of an "FAA-approved checklist"; the correct answer always refers to manufacturer guidelines. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 10, Accident Reporting — The 10-Day, $500 Rule

Fri, 08 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - An FAA Part 107 accident report is required within 10 calendar days if specific injury or damage thresholds are met. - Any loss of consciousness, no matter how brief, automatically triggers the injury reporting requirement. - Property damage must exceed $500 to require a report, based on the lesser of repair cost or fair market value. - The value of the drone itself is explicitly excluded when calculating the $500 property damage threshold. - Reports must be submitted electronically via the official FAA DroneZone portal. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 9, Maximum Groundspeed — 100 mph (87 knots)

Thu, 07 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The maximum legal groundspeed for a drone under FAA Part 107 is 100 mph, which is equivalent to 87 knots. - Why the FAA exam focuses on groundspeed instead of airspeed, with wind being the key variable. - How to perform the essential exam calculation: Airspeed + Tailwind or Airspeed - Headwind to determine your true groundspeed. - To identify a common exam trap where a legal airspeed becomes an illegal groundspeed due to a strong tailwind. - A simple mnemonic for the test: "Tailwind adds, headwind subtracts, for the groundspeed facts." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 8, Operations Over Moving Vehicles

Wed, 06 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Operations over moving vehicles are regulated under FAA Part 107.145. - Flying over moving vehicles is permitted within a closed or restricted-access site, provided all vehicle occupants are notified. - A drone meeting Category 1, 2, or 3 requirements may transit over moving vehicles on public roads. - Sustained flight over moving vehicles on public roads is prohibited, even with a categorized drone. - A key mnemonic to remember the exceptions is: 'Closed, Cat, or Cross.' For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 7, Operations Over People — Categories 1, 2, 3, 4

Tue, 05 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Category 1 drones must weigh 0.55 pounds or less and have no exposed rotating parts that could lacerate skin. - Categories 2 and 3 are defined by impact kinetic energy limits: 11 foot-pounds for Category 2 and 25 foot-pounds for Category 3. - A manufacturer's FAA-accepted Declaration of Compliance (DOC) is mandatory for operating under Categories 2 and 3. - Category 3 operations are prohibited over open-air assemblies and have strict rules against sustained flight over non-participating people. - Category 4 requires a specific FAA-issued airworthiness certificate under Part 21, distinguishing it from the other categories. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 6, Daylight and Civil Twilight Operations

Mon, 04 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specific definition of civil twilight for Part 107 operations, which is the 30-minute window before sunrise and after sunset. - The mandatory anti-collision lighting requirement for both civil twilight and night flights must be visible for at least 3 statute miles. - Official sources like the Air Almanac or NOAA must be used to determine local sunrise and sunset times, not generic weather apps. - The unique rule for Alaska, where civil twilight times are determined by the Air Almanac, not the standard 30-minute rule. - A common exam trap is confusing the definitions and requirements of civil twilight versus full nighttime operations. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 5, Visual Line of Sight and Visual Observers

Sun, 03 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - VLOS must be maintained by the remote PIC using only natural vision, though corrective lenses are allowed. - Binoculars are prohibited for the primary purpose of maintaining Visual Line of Sight under §107.31. - A Visual Observer (VO) is mandatory when the remote PIC uses FPV goggles that obstruct their direct view of the drone. - Communication between the PIC and VO must be direct and unassisted by electronic devices. - The remote PIC is ultimately responsible for the flight and cannot regain lost VLOS solely through the Visual Observer's guidance. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 4, Maximum Altitude — The 400 Foot Rule

Sat, 02 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The default maximum altitude for drone operations is 400 feet Above Ground Level (AGL), not Mean Sea Level (MSL). - How the FAA Part 107 exam uses MSL elevations on sectional charts as a common trap to confuse test-takers. - The structure exception in §107.51 allows flight up to 400 feet above a structure's highest point. - To use the structure exception, the drone must stay within a 400-foot horizontal radius of the structure. - How other operating limitations, like cloud clearance rules, can override the maximum altitude allowed under the structure exception. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 3, Recurrent Training Every 24 Months

Fri, 01 May 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Recurrent training is required every 24 calendar months, as mandated by 14 CFR §107.65. - The deadline for completion is the end of the 24th calendar month, not the specific anniversary date of your initial test. - Your Part 107 certificate itself does not expire, but your legal authority to fly lapses if your training is not current. - Recurrent training is now a free online course (ALC-677) on the FAASafety.gov website, replacing the old in-person test. - A simple mnemonic to remember the rule: "Two years to the end, my friend." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 2, Eligibility and the Aeronautical Knowledge Test

Thu, 30 Apr 2026 02:13:10 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The four key eligibility requirements for a Part 107 certificate: age, language, fitness, and passing the exam. - The specific structure of the UAG knowledge test: 60 questions, 2 hours, and a 70% passing score. - How to calculate the exact number of correct answers needed to pass the exam, which is 42. - The correct sequence of events for certification: passing the test *before* undergoing the TSA background check. - A simple mnemonic, "Sweet 16, Test for 2, Score 70," to remember the core testing parameters. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

FAA Part 107 Drone Exam Prep 1, Who Needs a Remote Pilot Certificate

Sun, 26 Apr 2026 02:09:00 -0700

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The purpose of a drone flight, not direct payment, determines if a Part 107 certificate is required. - Any flight conducted 'in furtherance of a business,' such as for internal documentation, is considered a commercial operation. - Using drone footage for a monetized social media channel is a commercial activity governed by Part 107. - Purely recreational flights are governed by 49 USC 44809 and require the operator to pass the TRUST safety test. - The FAA Part 107 exam uses tricky scenario-based questions to test your understanding of the commercial versus recreational distinction. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep