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FAA Part 107 Remote Pilot (UAG) — key terms, tricks & tips

Everything from the course in one searchable place: 238 entries. Use it to review before a practice test or look up a word you forgot.

Course Study guide Practice

238 results

Key term

Airman Knowledge Testing Supplement

A booklet containing figures and charts used during the exam.

Getting Started: Understanding the Part 107 Exam

Key term

IACRA

Integrated Airman Certification and Rating Application, online system for certificate applications.

Getting Started: Understanding the Part 107 Exam

Key term

METAR

Aviation Routine Weather Report, providing current weather conditions.

Getting Started: Understanding the Part 107 Exam

Key term

Sectional Chart

Aeronautical chart depicting airspace, terrain, and navigation information.

Getting Started: Understanding the Part 107 Exam

Key term

Passing Score

Minimum 70% (42 out of 60 questions correct) required to pass.

Getting Started: Understanding the Part 107 Exam

Key term

Part 107

Federal Aviation Regulations governing small unmanned aircraft systems (sUAS).

Getting Started: Understanding the Part 107 Exam

Memory trick

Exam Structure, Scoring, and Test Day Preparation

For 'Test Day Success': T - Time management, E - Eat well, S - Sleep soundly, T - Take your ID.

Getting Started: Understanding the Part 107 Exam

Exam tip

Exam Structure, Scoring, and Test Day Preparation

The exam often includes questions requiring you to interpret information from the Airman Knowledge Testing Supplement. Keywords like 'Refer to Figure XX' or 'Using the provided sectional chart' indicate you'll need to use the supplement. Practice finding information quickly.

Getting Started: Understanding the Part 107 Exam

Common mistake

Exam Structure, Scoring, and Test Day Preparation

Not practicing with the Airman Knowledge Testing Supplement, leading to slow or incorrect interpretation of figures and charts.

Getting Started: Understanding the Part 107 Exam

Common mistake

Exam Structure, Scoring, and Test Day Preparation

Rushing through questions or not reading them carefully, causing misinterpretation of the scenario or requirements.

Getting Started: Understanding the Part 107 Exam

Common mistake

Exam Structure, Scoring, and Test Day Preparation

Forgetting essential identification documents on test day, which can prevent you from taking the exam.

Getting Started: Understanding the Part 107 Exam

Key term

ACS

Airman Certification Standards: FAA document outlining knowledge/skill requirements.

Getting Started: Understanding the Part 107 Exam

Key term

FAA-S-ACS-10

Specific ACS document for Remote Pilot sUAS certificate.

Getting Started: Understanding the Part 107 Exam

Key term

Knowledge Elements

Specific topics within the ACS that must be understood.

Getting Started: Understanding the Part 107 Exam

Key term

Risk Management

Part of ACS, understanding and mitigating operational hazards.

Getting Started: Understanding the Part 107 Exam

Key term

14 CFR

Title 14 of the Code of Federal Regulations, FAA rules.

Getting Started: Understanding the Part 107 Exam

Key term

Advisory Circular (AC)

FAA publications providing guidance and information.

Getting Started: Understanding the Part 107 Exam

Memory trick

Navigating the Airman Certification Standards (ACS)

ACS: Always Consult Standards! It's your map to passing the test and flying safely.

Getting Started: Understanding the Part 107 Exam

Exam tip

Navigating the Airman Certification Standards (ACS)

The exam will test your ability to recall specific regulations and apply them to scenarios. Pay close attention to the 'Regulations' section of the ACS, particularly parts related to Part 107 operating rules, waivers, and certificates. Keywords like 'privileges,' 'limitations,' and 'requirements' are common in ACS-derived questions.

Getting Started: Understanding the Part 107 Exam

Common mistake

Navigating the Airman Certification Standards (ACS)

Ignoring the ACS and relying solely on third-party study guides that might not cover all required topics.

Getting Started: Understanding the Part 107 Exam

Common mistake

Navigating the Airman Certification Standards (ACS)

Memorizing facts without understanding their practical application, which is often tested in scenario-based questions.

Getting Started: Understanding the Part 107 Exam

Common mistake

Navigating the Airman Certification Standards (ACS)

Not checking the latest version of the ACS, as it can be updated by the FAA.

Getting Started: Understanding the Part 107 Exam

Key term

14 CFR Part 107

FAA regulations for commercial sUAS operations.

Module 1: Regulations for Remote Pilots

Key term

Small Unmanned Aircraft (sUA)

Unmanned aircraft weighing less than 55 lbs.

Module 1: Regulations for Remote Pilots

Key term

Small Unmanned Aircraft System (sUAS)

sUA, control station, and other components.

Module 1: Regulations for Remote Pilots

Key term

Remote Pilot in Command (RPIC)

Certificated pilot with final authority and responsibility.

Module 1: Regulations for Remote Pilots

Key term

Visual Observer (VO)

Assists RPIC by watching sUA and airspace.

Module 1: Regulations for Remote Pilots

Key term

Person Manipulating Controls

Operates sUA controls under RPIC supervision.

Module 1: Regulations for Remote Pilots

Key term

National Airspace System (NAS)

Airspace, air navigation facilities, and services.

Module 1: Regulations for Remote Pilots

Memory trick

14 CFR Part 107: General Provisions & Definitions

Think of Part 107 as the 'Rules for 1-0-7-ing' your drone for profit. One-Oh-Seven, for commercial drone heaven!

Module 1: Regulations for Remote Pilots

Exam tip

14 CFR Part 107: General Provisions & Definitions

On the exam, expect questions distinguishing between recreational and commercial operations, and precise definitions of sUAS, sUA, and RPIC. Keywords to spot include 'compensation,' 'hire,' 'business,' and 'final authority.'

Module 1: Regulations for Remote Pilots

Common mistake

14 CFR Part 107: General Provisions & Definitions

Confusing recreational drone rules with Part 107 commercial rules.

Module 1: Regulations for Remote Pilots

Common mistake

14 CFR Part 107: General Provisions & Definitions

Assuming a visual observer is always required for all Part 107 operations.

Module 1: Regulations for Remote Pilots

Common mistake

14 CFR Part 107: General Provisions & Definitions

Believing the person manipulating controls is responsible, not the RPIC.

Module 1: Regulations for Remote Pilots

Key term

Visual Line of Sight (VLOS)

Ability to see UA without visual aids.

Module 1: Regulations for Remote Pilots

Key term

Right-of-Way

Priority to proceed in airspace.

Module 1: Regulations for Remote Pilots

Key term

Unmanned Aircraft (UA)

Aircraft without human pilot on board.

Module 1: Regulations for Remote Pilots

Key term

See and Avoid

Principle of visually detecting other aircraft.

Module 1: Regulations for Remote Pilots

Key term

Corrective Lenses

Eyeglasses/contacts, allowed for VLOS.

Module 1: Regulations for Remote Pilots

Memory trick

Visual Line of Sight & Right-of-Way

V-L-O-S: 'V'ery 'L'ook 'O'ut 'S'afely – always keep your eyes on the drone!

Module 1: Regulations for Remote Pilots

Exam tip

Visual Line of Sight & Right-of-Way

The exam frequently tests the VLOS requirement, specifically that no visual aids (other than corrective lenses) are allowed. Also, remember that UAS always give way to ALL other aircraft.

Module 1: Regulations for Remote Pilots

Common mistake

Visual Line of Sight & Right-of-Way

Using binoculars to maintain VLOS – this is explicitly prohibited.

Module 1: Regulations for Remote Pilots

Common mistake

Visual Line of Sight & Right-of-Way

Assuming a VO takes full responsibility for VLOS – the RPIC is always ultimately responsible.

Module 1: Regulations for Remote Pilots

Common mistake

Visual Line of Sight & Right-of-Way

Not yielding to a manned aircraft because 'it's just a drone' – drones always yield right-of-way.

Module 1: Regulations for Remote Pilots

Key term

Recurrent Training

Required training every 24 calendar months.

Module 1: Regulations for Remote Pilots

Key term

Airman Certification Standards (ACS)

Defines knowledge and skill for FAA certificates.

Module 1: Regulations for Remote Pilots

Memory trick

Remote Pilot Certification & Responsibilities

To remember the RPIC's main job: 'R'esponsibility 'P'rimarily 'I'nvolves 'C'ompliance and Safety.

Module 1: Regulations for Remote Pilots

Exam tip

Remote Pilot Certification & Responsibilities

The exam frequently tests the 24-calendar-month recurrent training requirement. Look for questions about maintaining currency or when retraining is due. Also, know the minimum age (16) and English proficiency.

Module 1: Regulations for Remote Pilots

Common mistake

Remote Pilot Certification & Responsibilities

Forgetting the 24-calendar-month recurrent training requirement.

Module 1: Regulations for Remote Pilots

Common mistake

Remote Pilot Certification & Responsibilities

Confusing RPIC responsibilities with those of a visual observer.

Module 1: Regulations for Remote Pilots

Common mistake

Remote Pilot Certification & Responsibilities

Believing a Part 61 certificate alone is enough without online training or a flight review.

Module 1: Regulations for Remote Pilots

Key term

Serious Injury

Requires hospitalization, except for minor treatment.

Module 1: Regulations for Remote Pilots

Key term

Substantial Damage

Damage requiring repair or replacement, not minor surface damage.

Module 1: Regulations for Remote Pilots

Key term

Accident Report

Formal notification to FAA of qualifying drone incident.

Module 1: Regulations for Remote Pilots

Key term

Certificate of Waiver

FAA authorization to deviate from Part 107 rules.

Module 1: Regulations for Remote Pilots

Key term

DroneZone

FAA online portal for drone registration and waivers.

Module 1: Regulations for Remote Pilots

Key term

Safety Case

Detailed justification for safe operation under a waiver.

Module 1: Regulations for Remote Pilots

Memory trick

Accident Reporting & Waivers

Serious Injury, Substantial Damage, 10 Days: S.I.S.D. T.E.N. (S.I.S.D. = 'Sustained Injury, Substantial Damage'; T.E.N. = 'Ten days')

Module 1: Regulations for Remote Pilots

Exam tip

Accident Reporting & Waivers

Memorize the specific definitions of 'serious injury' and 'substantial damage' as they are frequently tested. Remember the 10-day reporting window for accidents.

Module 1: Regulations for Remote Pilots

Common mistake

Accident Reporting & Waivers

Not reporting an accident because no one was 'seriously' hurt, but property damage was substantial.

Module 1: Regulations for Remote Pilots

Common mistake

Accident Reporting & Waivers

Assuming a waiver will be granted quickly; always plan for long processing times.

Module 1: Regulations for Remote Pilots

Common mistake

Accident Reporting & Waivers

Not providing enough detail or a strong safety case in a waiver application.

Module 1: Regulations for Remote Pilots

Key term

Controlled Airspace

Airspace where ATC services are provided.

Module 2: Airspace & Operating Requirements

Key term

Uncontrolled Airspace

Airspace where ATC services are not provided (Class G).

Module 2: Airspace & Operating Requirements

Key term

Class G Airspace

Uncontrolled airspace, surface to base of controlled airspace.

Module 2: Airspace & Operating Requirements

Key term

LAANC

System for near real-time airspace authorizations.

Module 2: Airspace & Operating Requirements

Key term

Air Traffic Control (ATC)

Service that promotes safe, orderly, and expeditious flow of traffic.

Module 2: Airspace & Operating Requirements

Key term

Authorization

Required permission to operate in controlled airspace.

Module 2: Airspace & Operating Requirements

Memory trick

Types of Airspace: Controlled vs. Uncontrolled

Think 'G' for 'Ground' or 'General' for uncontrolled airspace, where you're generally on your own for traffic separation.

Module 2: Airspace & Operating Requirements

Exam tip

Types of Airspace: Controlled vs. Uncontrolled

The exam frequently asks about the characteristics of Class G airspace, specifically its vertical limits and the lack of ATC services. Remember that most low-altitude drone operations in rural areas occur in Class G.

Module 2: Airspace & Operating Requirements

Common mistake

Types of Airspace: Controlled vs. Uncontrolled

Assuming 'uncontrolled' means 'no rules' – Class G still requires adherence to all Part 107 regulations.

Module 2: Airspace & Operating Requirements

Common mistake

Types of Airspace: Controlled vs. Uncontrolled

Forgetting to check for airspace classifications on sectional charts, leading to inadvertent controlled airspace incursions.

Module 2: Airspace & Operating Requirements

Common mistake

Types of Airspace: Controlled vs. Uncontrolled

Not understanding that even with LAANC, other Part 107 rules (e.g., VLOS, 400 ft AGL limit) still apply.

Module 2: Airspace & Operating Requirements

Key term

MSL

Mean Sea Level; altitude measured from average sea level.

Module 2: Airspace & Operating Requirements

Key term

AGL

Above Ground Level; altitude measured from the terrain directly beneath.

Module 2: Airspace & Operating Requirements

Key term

MEF

Maximum Elevation Figure; highest obstacle/terrain in a quadrant.

Module 2: Airspace & Operating Requirements

Key term

Class B Airspace

Busy controlled airspace, solid blue lines on chart.

Module 2: Airspace & Operating Requirements

Key term

Class D Airspace

Controlled airspace around smaller airports, dashed blue lines.

Module 2: Airspace & Operating Requirements

Key term

VFR

Visual Flight Rules; flying by visual reference to the ground.

Module 2: Airspace & Operating Requirements

Key term

Legend

Key explaining symbols and colors used on a chart.

Module 2: Airspace & Operating Requirements

Memory trick

Reading Sectional Charts & Airspace Designations

To remember the common controlled airspace lines: 'B'lue for Class B, 'C'yan (magenta) for Class C, 'D'ashed 'B'lue for Class D, 'E'merald (magenta dashed) for Class E to surface.

Module 2: Airspace & Operating Requirements

Exam tip

Reading Sectional Charts & Airspace Designations

The exam often presents a snippet of a sectional chart and asks you to identify airspace classifications, altitude limits, or obstacle heights. Look for the specific lines (solid blue, dashed magenta, etc.) and the numbers associated with them (e.g., '25/SFC'). Pay close attention to whether altitudes are MSL or AGL.

Module 2: Airspace & Operating Requirements

Common mistake

Reading Sectional Charts & Airspace Designations

Misinterpreting altitude numbers: Always check if the altitude is MSL or AGL, and understand fractional notations (e.g., 120/SFC).

Module 2: Airspace & Operating Requirements

Common mistake

Reading Sectional Charts & Airspace Designations

Using an outdated chart: Airspace changes frequently; always use the most current sectional chart for pre-flight planning.

Module 2: Airspace & Operating Requirements

Common mistake

Reading Sectional Charts & Airspace Designations

Ignoring the chart legend: Many symbols and colors have specific meanings; never assume you know what they represent without checking the legend.

Module 2: Airspace & Operating Requirements

Key term

UAS Facility Maps

Maps showing maximum altitudes for sUAS operations in controlled airspace.

Module 2: Airspace & Operating Requirements

Key term

Manual Authorization

Authorization for controlled airspace via FAA DroneZone, reviewed by ATC.

Module 2: Airspace & Operating Requirements

Key term

FAA DroneZone

Online portal for drone registration, waivers, and manual authorizations.

Module 2: Airspace & Operating Requirements

Key term

Waiver

Permission to deviate from a specific Part 107 rule.

Module 2: Airspace & Operating Requirements

Memory trick

Operating in Controlled Airspace (LAANC & ATC)

LAANC: 'L'ow 'A'ltitude 'A'uthorization 'N'ear 'C'ontrolled airspace. Think of it as your 'LAA NC'e to fly!

Module 2: Airspace & Operating Requirements

Exam tip

Operating in Controlled Airspace (LAANC & ATC)

Memorize that any operation in Class B, C, D, or E surface area airspace requires prior FAA authorization. LAANC is the primary method for immediate authorization up to 400 feet AGL within facility map limits. If LAANC isn't an option, use the FAA DroneZone for manual authorization.

Module 2: Airspace & Operating Requirements

Common mistake

Operating in Controlled Airspace (LAANC & ATC)

Operating in controlled airspace without any authorization, assuming 'low altitude' means it's okay.

Module 2: Airspace & Operating Requirements

Common mistake

Operating in Controlled Airspace (LAANC & ATC)

Confusing an airspace authorization with a Part 107 waiver; they are distinct permissions.

Module 2: Airspace & Operating Requirements

Common mistake

Operating in Controlled Airspace (LAANC & ATC)

Failing to plan for the long processing times of manual ATC authorizations, leading to project delays.

Module 2: Airspace & Operating Requirements

Key term

TFR

Temporary Flight Restriction; restricts flight for safety.

Module 2: Airspace & Operating Requirements

Key term

SUA

Special Use Airspace; designated areas with flight limitations.

Module 2: Airspace & Operating Requirements

Key term

Prohibited Area

Airspace where flight is entirely forbidden for security.

Module 2: Airspace & Operating Requirements

Key term

Restricted Area

Airspace with hazards; entry needs authorization when active.

Module 2: Airspace & Operating Requirements

Key term

Warning Area

Airspace with hazards over international waters; no prohibition.

Module 2: Airspace & Operating Requirements

Key term

MOA

Military Operations Area; military training, extreme caution advised.

Module 2: Airspace & Operating Requirements

Key term

Alert Area

High volume of pilot training; caution advised.

Module 2: Airspace & Operating Requirements

Key term

NOTAM

Notice to Air Missions; provides critical flight information.

Module 2: Airspace & Operating Requirements

Memory trick

Temporary Flight Restrictions (TFRs) & Special Use Airspace

To remember the 'P' in Prohibited Areas: 'P' for 'Prohibited' means 'Permanently Prohibited' for drones.

Module 2: Airspace & Operating Requirements

Exam tip

Temporary Flight Restrictions (TFRs) & Special Use Airspace

For the exam, memorize the primary reasons for TFRs (e.g., disaster relief, security, special events) and understand that unauthorized entry is a serious violation. Know that Prohibited Areas are always off-limits, and Restricted Areas require permission when active.

Module 2: Airspace & Operating Requirements

Common mistake

Temporary Flight Restrictions (TFRs) & Special Use Airspace

Not checking for TFRs before every flight, assuming none exist.

Module 2: Airspace & Operating Requirements

Common mistake

Temporary Flight Restrictions (TFRs) & Special Use Airspace

Confusing the rules for different types of Special Use Airspace (e.g., thinking MOAs are prohibited).

Module 2: Airspace & Operating Requirements

Common mistake

Temporary Flight Restrictions (TFRs) & Special Use Airspace

Relying solely on one app for TFR information without cross-referencing official FAA sources.

Module 2: Airspace & Operating Requirements

Key term

TAF

Terminal Aerodrome Forecast, expected conditions near airport.

Module 3: Weather for Drone Operations

Key term

Flight Service Station (FSS)

Official FAA source for weather briefings.

Module 3: Weather for Drone Operations

Key term

Aviation Weather Center (AWC)

Online hub for official aviation weather products.

Module 3: Weather for Drone Operations

Key term

Official Weather Source

FAA-approved data for aviation decision-making.

Module 3: Weather for Drone Operations

Key term

SPECI

Special METAR, issued for significant weather changes.

Module 3: Weather for Drone Operations

Key term

Preflight Briefing

Gathering weather and flight info before flight.

Module 3: Weather for Drone Operations

Memory trick

Sources of Weather Information & Aviation Weather Reports

METAR is 'MET' (met conditions) and TAF is 'TAF' (tomorrow's forecast).

Module 3: Weather for Drone Operations

Exam tip

Sources of Weather Information & Aviation Weather Reports

The exam often asks about the primary source for official aviation weather. Remember: Flight Service Station (FSS) and aviationweather.gov are key. Also, know that METARs are current observations and TAFs are forecasts.

Module 3: Weather for Drone Operations

Common mistake

Sources of Weather Information & Aviation Weather Reports

Relying solely on general consumer weather apps for aviation weather decisions.

Module 3: Weather for Drone Operations

Common mistake

Sources of Weather Information & Aviation Weather Reports

Not checking weather conditions immediately before flight, assuming conditions haven't changed.

Module 3: Weather for Drone Operations

Common mistake

Sources of Weather Information & Aviation Weather Reports

Misinterpreting METAR/TAF codes due to lack of familiarity with aviation weather formats.

Module 3: Weather for Drone Operations

Key term

PIREP

Pilot Report; actual in-flight weather conditions observed by a pilot.

Module 3: Weather for Drone Operations

Key term

Visibility

Horizontal distance an observer can see and identify objects.

Module 3: Weather for Drone Operations

Key term

Ceiling

Height of the lowest broken or overcast cloud layer.

Module 3: Weather for Drone Operations

Key term

Gusts

Sudden, brief increases in wind speed.

Module 3: Weather for Drone Operations

Key term

Altimeter Setting

Barometric pressure setting for accurate altitude readings.

Module 3: Weather for Drone Operations

Memory trick

Understanding METARs, TAFs, and PIREPs

My Aunt's Pet - METAR (current), TAF (forecast), PIREP (in-flight).

Module 3: Weather for Drone Operations

Exam tip

Understanding METARs, TAFs, and PIREPs

On the exam, pay close attention to the time elements in METARs and TAFs (e.g., '251753Z' for date/time, 'FM' for 'from', 'TEMPO' for 'temporary'). Also, know the difference between 'visibility' (horizontal) and 'ceiling' (vertical).

Module 3: Weather for Drone Operations

Common mistake

Understanding METARs, TAFs, and PIREPs

Confusing METARs (current) with TAFs (forecast) on the exam.

Module 3: Weather for Drone Operations

Common mistake

Understanding METARs, TAFs, and PIREPs

Not checking the date/time of the report to ensure it's current.

Module 3: Weather for Drone Operations

Common mistake

Understanding METARs, TAFs, and PIREPs

Overlooking the 'G' for gusts in wind reports, which can be critical for drones.

Module 3: Weather for Drone Operations

Key term

Density Altitude

Pressure altitude corrected for non-standard temperature.

Module 3: Weather for Drone Operations

Key term

Turbulence

Irregular motion of the atmosphere, causing unstable flight.

Module 3: Weather for Drone Operations

Key term

Mechanical Turbulence

Caused by wind flowing over irregular terrain or obstructions.

Module 3: Weather for Drone Operations

Key term

Thermal Turbulence

Caused by rising warm air and descending cool air.

Module 3: Weather for Drone Operations

Key term

Crosswind

Wind blowing perpendicular to the direction of flight.

Module 3: Weather for Drone Operations

Key term

Frost

Ice crystals formed on surfaces below freezing point.

Module 3: Weather for Drone Operations

Key term

VLOS

Visual Line of Sight, maintaining direct visual contact.

Module 3: Weather for Drone Operations

Memory trick

Impact of Weather on sUAS Performance

HOT and HIGH means HARDER to FLY. (High Temperature, High Altitude, Harder to Fly due to high density altitude).

Module 3: Weather for Drone Operations

Exam tip

Impact of Weather on sUAS Performance

The exam frequently tests your understanding of density altitude. Remember that high temperature, high humidity, and high altitude all contribute to a higher density altitude, which negatively impacts sUAS performance by reducing lift and increasing takeoff/landing distances.

Module 3: Weather for Drone Operations

Common mistake

Impact of Weather on sUAS Performance

Underestimating the impact of wind gusts, especially near obstacles.

Module 3: Weather for Drone Operations

Common mistake

Impact of Weather on sUAS Performance

Ignoring reduced battery performance in cold or hot weather.

Module 3: Weather for Drone Operations

Common mistake

Impact of Weather on sUAS Performance

Operating in light rain, assuming the sUAS is 'water-resistant' without checking specifications.

Module 3: Weather for Drone Operations

Key term

Headwind

Wind blowing against the direction of flight.

Module 3: Weather for Drone Operations

Key term

Tailwind

Wind blowing from behind the direction of flight.

Module 3: Weather for Drone Operations

Memory trick

Analyzing Wind, Temperature, and Precipitation Effects

To remember density altitude effects: 'Hot, High, Humid = Horrible Performance'.

Module 3: Weather for Drone Operations

Exam tip

Analyzing Wind, Temperature, and Precipitation Effects

The exam frequently tests your understanding of density altitude. Remember: high temperature, high humidity, and high altitude all lead to a higher density altitude, which means worse sUAS performance. Think 'hot, humid, high = horrible performance'.

Module 3: Weather for Drone Operations

Common mistake

Analyzing Wind, Temperature, and Precipitation Effects

Underestimating the impact of wind gusts, especially during takeoff and landing.

Module 3: Weather for Drone Operations

Common mistake

Analyzing Wind, Temperature, and Precipitation Effects

Not accounting for reduced battery life and performance in hot weather or at high altitudes.

Module 3: Weather for Drone Operations

Common mistake

Analyzing Wind, Temperature, and Precipitation Effects

Operating an sUAS in any form of precipitation, risking damage and failure.

Module 3: Weather for Drone Operations

Key term

Weight

The force of gravity acting on an object.

Module 4: Loading & Performance Essentials

Key term

Arm

Horizontal distance from the datum to an item's CG.

Module 4: Loading & Performance Essentials

Key term

Moment

Turning force; Weight × Arm.

Module 4: Loading & Performance Essentials

Key term

Datum

Reference line for measuring arms.

Module 4: Loading & Performance Essentials

Key term

Center of Gravity (CG)

The balance point of the aircraft.

Module 4: Loading & Performance Essentials

Key term

Payload

The useful load carried by the aircraft.

Module 4: Loading & Performance Essentials

Key term

Empty Weight

Weight of the aircraft without fuel or payload.

Module 4: Loading & Performance Essentials

Memory trick

Weight & Balance: Principles and Calculations

WAM: Weight times Arm equals Moment! Remember this for every calculation.

Module 4: Loading & Performance Essentials

Exam tip

Weight & Balance: Principles and Calculations

The exam often presents scenarios where you must calculate total weight and/or CG after adding or removing items. Remember the formula: Weight × Arm = Moment, and CG = Total Moment / Total Weight.

Module 4: Loading & Performance Essentials

Common mistake

Weight & Balance: Principles and Calculations

Forgetting to include all items (e.g., fuel, specific payloads) in the calculation.

Module 4: Loading & Performance Essentials

Common mistake

Weight & Balance: Principles and Calculations

Incorrectly identifying the arm as positive or negative relative to the datum.

Module 4: Loading & Performance Essentials

Common mistake

Weight & Balance: Principles and Calculations

Confusing total weight with empty weight or payload weight.

Module 4: Loading & Performance Essentials

Key term

CG Limits

Manufacturer-specified range for safe CG operation.

Module 4: Loading & Performance Essentials

Key term

Forward CG

CG too far forward; increases stability, reduces maneuverability.

Module 4: Loading & Performance Essentials

Key term

Aft CG

CG too far aft; decreases stability, increases instability.

Module 4: Loading & Performance Essentials

Key term

Longitudinal Stability

Stability around the lateral axis (pitching motion).

Module 4: Loading & Performance Essentials

Memory trick

Understanding Center of Gravity (CG) Limits

For CG: 'F'orward is 'F'ixed (stable, hard to move), 'A'ft is 'A'wful (unstable, hard to control).

Module 4: Loading & Performance Essentials

Exam tip

Understanding Center of Gravity (CG) Limits

The exam often asks about the effects of a forward or aft CG. Remember: a forward CG makes it harder to pitch up (increased stall speed), while an aft CG makes it unstable and prone to pitching up (difficult stall recovery). Keywords: 'nose-heavy' or 'tail-heavy'.

Module 4: Loading & Performance Essentials

Common mistake

Understanding Center of Gravity (CG) Limits

Assuming CG doesn't change with different payloads or battery sizes.

Module 4: Loading & Performance Essentials

Common mistake

Understanding Center of Gravity (CG) Limits

Believing that a slightly out-of-limits CG is 'good enough' for a short flight.

Module 4: Loading & Performance Essentials

Common mistake

Understanding Center of Gravity (CG) Limits

Confusing the effects of forward CG with aft CG on stability and control.

Module 4: Loading & Performance Essentials

Key term

Maximum Takeoff Weight (MTOW)

Maximum weight at which the drone is certified to take off.

Module 4: Loading & Performance Essentials

Key term

Lift

Aerodynamic force opposing gravity, generated by propellers.

Module 4: Loading & Performance Essentials

Key term

Thrust

Force propelling the drone forward or upward.

Module 4: Loading & Performance Essentials

Key term

Endurance

Maximum flight time a drone can achieve.

Module 4: Loading & Performance Essentials

Key term

Performance

Drone's ability to climb, accelerate, and maintain flight.

Module 4: Loading & Performance Essentials

Memory trick

Performance Limitations: Density Altitude & Payload

Think 'Hot, High, and Humid = Horrible Performance'. Each 'H' factor contributes to higher density altitude and worse drone capabilities.

Module 4: Loading & Performance Essentials

Exam tip

Performance Limitations: Density Altitude & Payload

The FAA exam often presents scenarios involving high temperatures, high altitudes, or heavy payloads and asks about their effect on performance. Remember: 'hot, high, and humid' means 'poor performance'.

Module 4: Loading & Performance Essentials

Common mistake

Performance Limitations: Density Altitude & Payload

Ignoring temperature and humidity when planning flights at higher elevations.

Module 4: Loading & Performance Essentials

Common mistake

Performance Limitations: Density Altitude & Payload

Assuming a drone's published flight time applies universally, without considering payload or density altitude.

Module 4: Loading & Performance Essentials

Common mistake

Performance Limitations: Density Altitude & Payload

Exceeding the drone's maximum takeoff weight (MTOW) because the package 'feels' light enough.

Module 4: Loading & Performance Essentials

Common mistake

Performance Limitations: Density Altitude & Payload

Not understanding that high density altitude reduces both lift and engine efficiency.

Module 4: Loading & Performance Essentials

Key term

Overloading

Operating UAS above its specified maximum takeoff weight.

Module 4: Loading & Performance Essentials

Key term

Improper Loading

Weight distribution causes CG to fall outside limits.

Module 4: Loading & Performance Essentials

Key term

Stability

UAS's ability to return to original flight path after disturbance.

Module 4: Loading & Performance Essentials

Memory trick

Effects of Overloading and Improper Loading

W-A-S-H-D-R-I-P: Weight Affects Stability, Handling, Drag, Range, and Performance. Remember this for overloading effects!

Module 4: Loading & Performance Essentials

Exam tip

Effects of Overloading and Improper Loading

Exam questions often describe scenarios where a UAS is performing poorly and ask for the most likely cause. Look for keywords like 'struggles to climb,' 'sluggish,' 'unstable,' or 'difficult to control' and consider overloading or improper CG as primary answers.

Module 4: Loading & Performance Essentials

Common mistake

Effects of Overloading and Improper Loading

Assuming a small payload won't affect CG or MTOW.

Module 4: Loading & Performance Essentials

Common mistake

Effects of Overloading and Improper Loading

Not calculating total weight or CG position for every flight.

Module 4: Loading & Performance Essentials

Common mistake

Effects of Overloading and Improper Loading

Ignoring manufacturer's weight and balance data in the UAS manual.

Module 4: Loading & Performance Essentials

Key term