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Here is the combined Parts 2 and 3 of your FAA Part 107 Audio Cram Script. It is written in plain text for TexttoSpeech TTS readers with speltout numbers, phonetic pronunciations, and natural pauses. Welcome to the combined Parts 2 and 3 of your FAA Part 107 emergency audio review. Listen closely to these flight operations, weather hazards, human factors, airspace rules, and maintenance regulations. Section 6 Drone Loading and Performance. Center of Gravity If you add payload to your drone, always check the Center of Gravity. If the Center of Gravity is too far forward or too far aft, the aircraft becomes unstable. Angle of Attack The angle between the chord line of the wing or prop blade and the relative wind. If the Angle of Attack becomes too steep, the aircraft stalls. Critical rule A stall occurs when the critical angle of attack is exceeded, regardless of air speed or weight. Weight Limitations Heavier drones require more power to fly, which reduces battery life, reduces maneuverability, and increases stall speed. Load Factor In a level turn, the load factor on an aircraft increases. At a 60degree bank angle, the load factor doubles to 2 Gs. That means a 10pound drone feels like it weighs 20 pounds in a 60degree turn. Section 7 Weather Hazards and MicroMeteorology. Density Altitude High density altitude means thin air and poor drone performance. High density altitude is caused by three factors High Elevation, High Temperature, and High Humidity. Think High, Hot, and Humid equal poor performance. Wind Currents around Buildings Wind blowing over tall structures creates severe downdrafts and turbulence on the leeward side, which is the downwind side of the building. Stable versus Unstable Air Stable Air brings smooth air, poor visibility, steady precipitation, and continuous clouds or fog. Unstable Air brings bumpy or turbulent air, good visibility, showery precipitation, and thunderstorm development. Dew Point and Fog When air temperature drops to within a few degrees of the dew point, relative humidity approaches 100 percent, creating fog or clouds. Section 8 Airport Operations and Radio Frequencies. Runway Numbers Runway numbers are based on Magnetic North, rounded to the nearest 10 degrees, with the last zero dropped. For example, Runway 1 8 faces 180 degrees South. Runway 3 6 faces 360 degrees North. Traffic Patterns Unless otherwise marked or instructed by Air Traffic Control, all airport traffic patterns make Left Turns. Radio Frequencies The C T A F, or Common Traffic Advisory Frequency, is used by pilots to broadcast their positions at nontowered airports. Look for the solid magenta circle with a white C inside on sectional charts. MULTICOM frequency 122.9 is used at nontowered airports that do not have a dedicated tower or UNICOM frequency. Section 9 Human Factors and Aeronautical Decision Making. Crew Resource Management, or C R M The effective use of all available resources, including human, hardware, and information resources, before and during flight. The 5 Hazardous Attitudes and Their Antidotes Number 1 AntiAuthority. Dont tell me. Antidote Follow the rules, they are usually right. Number 2 Impulsivity. Do it quickly. Antidote Not so fast, think first. Number 3 Invulnerability. It wont happen to me. Antidote It could happen to me. Number 4 Macho. I can do it. Antidote Taking chances is foolish. Number 5 Resignation. Whats the use Antidote I am not helpless, I can make a difference. Spatial Disorientation Loss of visual references causing a pilot or operator to misinterpret aircraft orientation. If you experience spatial disorientation, rely on your instruments or automated flight controls, not your body sensations. Hyperventilation Rapid breathing caused by stress or anxiety leading to a lack of carbon dioxide. Symptoms include lightheadedness, tingling fingers, and dizziness. Antidote Slow down your breathing rate or breathe into a paper bag. Section 10 Night Operations and Remote ID. Night Flying Rules To fly at night or during civil twilight, your drone must be equipped with anticollision lights visible for at least 3 Statute Miles. The light flash rate must be sufficient to avoid collision. Civil Twilight Defined as 30 minutes before official sunrise and 30 minutes after official sunset. Night Illusions Autokinesis Staring at a single stationary point of light in the dark for several seconds makes the light appear to move on its own. Remote I D All drones required to be registered must broadcast Remote I D information, including aircraft location, altitude, velocity, and control station location, unless flying in a designated FAA Recognized Identification Area, known as a FRIA. Section 11 Military Training Routes and Special Use Airspace. Military Training Routes, or M T Rs, are shown on sectional charts as thin grey lines. Pay attention to the number of digits in the route name Routes with 4 digits, such as I R 1 0 4 2 or V R 1 0 4 2, have operations at or below 1,500 feet Above Ground Level. Think 4 digits means low altitude, below 1,500 feet. Routes with 3 digits, such as I R 2 0 1 or V R 2 0 1, have operations above 1,500 feet Above Ground Level. Notice the prefixes I R means Instrument Rules, where military jets fly in all weather conditions. V R means Visual Rules, where jets fly only in good weather. Prohibited Areas and Restricted Areas Marked with a P or R on charts. You cannot fly in Prohibited Areas. Restricted Areas require permission from the controlling agency before flight. Section 12 Weather Calculations and Atmospheric Lapse Rates. Cloud Base Math Formula You can calculate the altitude of the cloud base using surface temperature and dew point. The formula is Temperature minus Dew Point, divided by 4.4, multiplied by 1,000 feet. For example, if the temperature is 80 degrees Fahrenheit and the dew point is 62 degrees Fahrenheit 80 minus 62 equals 18. 18 divided by 4.4 is approximately 4. Multiply 4 by 1,000 to get a cloud base of 4,000 feet Above Ground Level. Standard Atmospheric Pressure At sea level, standard temperature is 15 degrees Celsius or 59 degrees Fahrenheit, and standard barometric pressure is 29.92 inches of mercury. Standard pressure drops by 1 inch of mercury for every 1,000 feet of altitude gained. Temperature Inversions A temperature inversion occurs when warm air lies on top of cool air. Inversions cause stable air, trapped pollutants, fog, haze, and poor visibility, but smooth flying conditions. Thunderstorm Lifecycle Thunderstorms have three distinct stages Stage 1 The Cumulus stage, characterized by continuous updrafts. Stage 2 The Mature stage, which is the most dangerous stage, characterized by both updrafts and downdrafts, plus heavy precipitation and wind shear. Stage 3 The Dissipating stage, characterized mostly by downdrafts as the storm dies out. Section 13 Operations Over People and Moving Vehicles. Operations Over People Drones are categorized into 4 categories for flying over openair assemblies of people Category 1 Drones weighing 0.55 pounds or less with no exposed rotating parts that could lacerate human skin. Category 2 and Category 3 Require a Declaration of Compliance from the manufacturer proving specific impact limits and no exposed rotating parts. Category 4 Drones that hold an FAA airworthiness certificate. Operations Over Moving Vehicles Allowed only if the vehicle is in a closedset site and all occupants are notified, OR if the drone meets Category 1, 2, or 3 requirements and does not sustain flight over the vehicle. Section 14 Maintenance, Alterations, and Address Updates. Preflight Inspections The Remote Pilot in Command must perform a preflight inspection before EVERY single flight to ensure the aircraft is in a safe condition for operation. Maintenance Records Although the FAA does not strictly require formal logbooks for small drones, you must follow the manufacturers maintenance schedule. If the manufacturer has no schedule, establish your own maintenance program. If you crash or damage your drone, always perform a thorough preflight check and follow manufacturer guidelines before returning it to service. Change of Address If you change your permanent mailing address, you must update your address with the FAA within 30 calendar days to retain your Remote Pilot Certificate. This completes your full combined FAA Part 107 audio cram guide. Trust your preparation, doublecheck whether the question asks for M S L or A G L, and pass that test today