ACS
Airman Certification Standards; outlines test content.
Getting Started: ATM Exam Overview
Free knowledge base
FAA Airline Transport Pilot (ATM) — key terms, tricks & tips
Everything from the course in one searchable place: 306 entries. Use it to review before a practice test or look up a word you forgot.
306 results · showing first 300, refine your search
14 CFR Part 121
Operating rules for air carriers.
Getting Started: ATM Exam Overview
AIM
Aeronautical Information Manual; official flight information.
Getting Started: ATM Exam Overview
V-speeds
Standardized aircraft reference airspeeds.
Getting Started: ATM Exam Overview
Human Factors
Study of human capabilities and limitations in aviation.
Getting Started: ATM Exam Overview
CRM
Crew Resource Management; effective use of all resources.
Getting Started: ATM Exam Overview
Knowledge Test
Computer-based, multiple-choice FAA exam.
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
To ace the ATM, remember 'A-C-S': **A**lways **C**onsult **S**tandards!
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
The ATM knowledge test heavily emphasizes 14 CFR Part 121 regulations, aircraft performance (especially multi-engine), and advanced meteorology. Look for questions involving airline operational scenarios and complex system failures.
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
Relying solely on memorizing answers without understanding the underlying concepts.
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
Neglecting to study 14 CFR Part 121 in detail, as it's a major focus.
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
Not using the Airman Certification Standards (ACS) as the primary study guide.
Getting Started: ATM Exam Overview
Understanding the ATM Airman Knowledge Test
Failing to take timed practice tests to simulate exam conditions.
Getting Started: ATM Exam Overview
Area of Operation
Major phase of flight or operational aspect in the ACS.
Getting Started: ATM Exam Overview
Task
Specific maneuver or procedure within an Area of Operation.
Getting Started: ATM Exam Overview
Element
Detailed requirement for Knowledge, Risk Management, or Skill.
Getting Started: ATM Exam Overview
Knowledge (K)
What an applicant must know about a task.
Getting Started: ATM Exam Overview
Risk Management (R)
Ability to identify, assess, and mitigate risks.
Getting Started: ATM Exam Overview
Flight Proficiency (S)
Ability to perform a maneuver or procedure safely.
Getting Started: ATM Exam Overview
Practical Test
The 'checkride' where flight skills are evaluated.
Getting Started: ATM Exam Overview
Navigating the ACS for ATM Certification
K-R-S: Knowledge, Risk, Skill. Remember these three elements are always together in the ACS, like three musketeers for every task!
Getting Started: ATM Exam Overview
Navigating the ACS for ATM Certification
For the ATM knowledge test, focus on the 'K' (Knowledge) elements within each task of the ATM ACS. These elements directly inform the content of the multiple-choice questions you'll encounter.
Getting Started: ATM Exam Overview
Navigating the ACS for ATM Certification
Only studying the 'K' elements for the knowledge test and neglecting them for the practical test.
Getting Started: ATM Exam Overview
Navigating the ACS for ATM Certification
Treating the ACS as a checklist of maneuvers without understanding the underlying knowledge or associated risks.
Getting Started: ATM Exam Overview
Navigating the ACS for ATM Certification
Not reviewing the introduction and general information sections of the ACS, which contain critical administrative details.
Getting Started: ATM Exam Overview
ATP Certificate
Highest pilot certificate, required for airline PIC operations.
Airline Operations & Certification
ATP CTP
Authorized training program required before the ATP knowledge test.
Airline Operations & Certification
PIC
Pilot in Command; ultimate authority and responsibility for aircraft operation.
Airline Operations & Certification
Category
Broad classification of aircraft (e.g., airplane, rotorcraft).
Airline Operations & Certification
Class
Classification of aircraft within a category (e.g., single-engine, multiengine).
Airline Operations & Certification
Type Rating
Authorization to fly a specific make and model of aircraft.
Airline Operations & Certification
Recent Flight Experience
Specific flight activities required within a timeframe to maintain currency.
Airline Operations & Certification
14 CFR Part 61: Pilot Certification Requirements
ATP: Always Take Precaution. Think of the high standards required!
Airline Operations & Certification
14 CFR Part 61: Pilot Certification Requirements
For the ATM exam, memorize the exact total, cross-country, night, and instrument flight hour requirements for the ATP certificate. Pay close attention to the age requirement and the ATP CTP prerequisite.
Airline Operations & Certification
14 CFR Part 61: Pilot Certification Requirements
Confusing total time with specific quality time (e.g., cross-country, night).
Airline Operations & Certification
14 CFR Part 61: Pilot Certification Requirements
Forgetting the ATP CTP requirement before the knowledge test.
Airline Operations & Certification
14 CFR Part 61: Pilot Certification Requirements
Not understanding that an ATP certificate alone doesn't grant type ratings for specific aircraft.
Airline Operations & Certification
Part 121
FAA regulations for major air carrier operations.
Airline Operations & Certification
Operational Control
Authority over initiating, conducting, or terminating a flight.
Airline Operations & Certification
Dispatch Release
Document authorizing a flight, signed by PIC and dispatcher.
Airline Operations & Certification
OpSpecs
FAA-issued specifications detailing an airline's authorized operations.
Airline Operations & Certification
Domestic Operation
Scheduled flight within the 48 contiguous US states.
Airline Operations & Certification
Flag Operation
Scheduled flight outside the 48 contiguous US states.
Airline Operations & Certification
Supplemental Operation
Unscheduled passenger or cargo charter flights.
Airline Operations & Certification
14 CFR Part 121: Operating Requirements for Air Carriers
PIC-D: Pilot-in-Command and Dispatcher share the 'D'ecisions for Part 121 flights.
Airline Operations & Certification
14 CFR Part 121: Operating Requirements for Air Carriers
For the ATM exam, memorize that operational control in Part 121 is shared between the pilot-in-command and the aircraft dispatcher. Keywords: 'shared responsibility,' 'dispatch release.'
Airline Operations & Certification
14 CFR Part 121: Operating Requirements for Air Carriers
Confusing Part 121 operational control with Part 91 (PIC has sole operational control).
Airline Operations & Certification
14 CFR Part 121: Operating Requirements for Air Carriers
Underestimating the legal weight of OpSpecs; they are not just guidelines.
Airline Operations & Certification
14 CFR Part 121: Operating Requirements for Air Carriers
Believing a flight can depart without a mutually agreed-upon dispatch release if only one party approves.
Airline Operations & Certification
Flight Duty Period (FDP)
Time from report for duty until aircraft parked after last flight.
Airline Operations & Certification
Rest Period
Continuous time free from duty, min 10 hours with 8 hours sleep opportunity.
Airline Operations & Certification
Duty Period
Any assigned task by the certificate holder.
Airline Operations & Certification
Lookback Period
Cumulative timeframes (e.g., 7, 28, 365 days) for flight/duty limits.
Airline Operations & Certification
Circadian Rhythm
Natural sleep-wake cycle influencing fatigue.
Airline Operations & Certification
Unforeseen Operational Contingency
Unexpected event after takeoff allowing FDP extension.
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
FDP: 'F'or 'D'uty 'P'eriod – it starts when you're 'F'orced to 'D'o 'P're-flight, not just flying!
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
On the ATM exam, pay close attention to questions involving specific FDP limits based on 'scheduled start time' and 'number of segments.' Also, memorize the 10-hour rest rule, including the 8-hour sleep opportunity. Look for keywords like 'report for duty' to identify the start of an FDP.
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
Confusing 'flight time' with 'flight duty period' (FDP); FDP is much longer.
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
Forgetting the 8-hour uninterrupted sleep opportunity within the 10-hour rest period.
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
Not considering the impact of the scheduled FDP start time and number of segments on maximum FDP limits.
Airline Operations & Certification
14 CFR Part 117: Flight and Duty Limitations
Assuming rest begins immediately after landing; it begins after all post-flight duties are complete and the aircraft is parked.
Airline Operations & Certification
Pilot-in-Command (PIC)
Directly responsible for and final authority as to aircraft operation.
Airline Operations & Certification
Aircraft Dispatcher
Monitors flights, issues info, cancels/re-dispatches for safety.
Airline Operations & Certification
Re-dispatch
Issuing a new dispatch release for an ongoing flight segment.
Airline Operations & Certification
Shared Responsibility
PIC and dispatcher jointly hold operational control.
Airline Operations & Certification
Operational Control & Dispatch Release
PIC-D: Pilot-in-Command and Dispatcher share control. Remember 'PIC-D' for 'PIC and Dispatcher's Decision' on operational control.
Airline Operations & Certification
Operational Control & Dispatch Release
The exam often asks about the shared responsibility for operational control. Remember that both the PIC and the aircraft dispatcher share this responsibility in Part 121 operations. Also, know the required contents of a dispatch release.
Airline Operations & Certification
Operational Control & Dispatch Release
Assuming the PIC has sole operational control; it's a shared responsibility with the dispatcher in Part 121.
Airline Operations & Certification
Operational Control & Dispatch Release
Forgetting that a dispatch release is a legal requirement for Part 121 flights.
Airline Operations & Certification
Operational Control & Dispatch Release
Not understanding the dispatcher's authority to cancel or re-dispatch a flight.
Airline Operations & Certification
Mach Number
Ratio of TAS to local speed of sound.
Advanced Aerodynamics & High-Altitude Flight
Local Speed of Sound
Speed of sound, varies with temperature.
Advanced Aerodynamics & High-Altitude Flight
Critical Mach (MCRIT)
Lowest Mach where airflow over wing reaches Mach 1.0.
Advanced Aerodynamics & High-Altitude Flight
Shockwave
Abrupt pressure change from supersonic flow.
Advanced Aerodynamics & High-Altitude Flight
Wave Drag
Drag caused by shockwave formation.
Advanced Aerodynamics & High-Altitude Flight
Mach Buffet
High-frequency vibration from flow separation.
Advanced Aerodynamics & High-Altitude Flight
Mach Tuck
Nose-down pitch due to aft center of pressure shift.
Advanced Aerodynamics & High-Altitude Flight
MMO
Maximum operating Mach number for an aircraft.
Advanced Aerodynamics & High-Altitude Flight
High-Speed Aerodynamics: Mach & Critical Mach
MACH: MCRIT Always Causes High-speed buffet.
Advanced Aerodynamics & High-Altitude Flight
High-Speed Aerodynamics: Mach & Critical Mach
For the ATM exam, memorize that MCRIT is the Mach number at which airflow over *any part* of the aircraft first reaches Mach 1.0, not when the entire aircraft reaches Mach 1.0. Also, understand that wave drag is a significant factor above MCRIT.
Advanced Aerodynamics & High-Altitude Flight
High-Speed Aerodynamics: Mach & Critical Mach
Confusing Mach buffet with stall buffet; they occur at opposite ends of the speed envelope.
Advanced Aerodynamics & High-Altitude Flight
High-Speed Aerodynamics: Mach & Critical Mach
Believing that MCRIT means the entire aircraft is flying at Mach 1.0; only localized airflow is supersonic.
Advanced Aerodynamics & High-Altitude Flight
High-Speed Aerodynamics: Mach & Critical Mach
Underestimating the severity of Mach tuck and the importance of respecting MMO.
Advanced Aerodynamics & High-Altitude Flight
Air Density
Mass of air per unit volume; decreases with altitude.
Advanced Aerodynamics & High-Altitude Flight
True Airspeed (TAS)
Actual speed through the air; increases with altitude for given IAS.
Advanced Aerodynamics & High-Altitude Flight
Indicated Airspeed (IAS)
Speed shown on airspeed indicator; decreases with altitude for given TAS.
Advanced Aerodynamics & High-Altitude Flight
Coffin Corner
Narrow margin between stall speed and Mach buffet speed at high altitude.
Advanced Aerodynamics & High-Altitude Flight
Service Ceiling
Altitude where climb rate is 100 fpm (multi-engine).
Advanced Aerodynamics & High-Altitude Flight
Absolute Ceiling
Theoretical altitude where climb rate is zero.
Advanced Aerodynamics & High-Altitude Flight
High-Altitude Flight Characteristics & Performance
To remember Coffin Corner: 'C' for Converging speeds, 'C' for Critical altitude, 'C' for Close to disaster!
Advanced Aerodynamics & High-Altitude Flight
High-Altitude Flight Characteristics & Performance
For the ATM exam, be prepared to identify the factors that decrease aircraft performance at high altitudes (e.g., reduced air density, lower engine thrust) and understand the implications of the 'coffin corner' as the convergence of stall speed and critical Mach number.
Advanced Aerodynamics & High-Altitude Flight
High-Altitude Flight Characteristics & Performance
Underestimating the increase in true airspeed (TAS) required to maintain a safe indicated airspeed (IAS) at high altitude.
Advanced Aerodynamics & High-Altitude Flight
High-Altitude Flight Characteristics & Performance
Failing to recognize the narrowing margin between stall speed and Mach buffet speed (coffin corner) and its implications for precise airspeed control.
Advanced Aerodynamics & High-Altitude Flight
High-Altitude Flight Characteristics & Performance
Incorrectly assuming that engine thrust remains constant with increasing altitude, leading to unrealistic climb performance expectations.
Advanced Aerodynamics & High-Altitude Flight
Critical Angle of Attack
The angle of attack at which the wing produces maximum lift.
Advanced Aerodynamics & High-Altitude Flight
Stall Speed
The minimum airspeed at which an aircraft can maintain level flight.
Advanced Aerodynamics & High-Altitude Flight
Stick Shaker
A device that vibrates the control column to warn of an impending stall.
Advanced Aerodynamics & High-Altitude Flight
Stick Pusher
A system that automatically pushes the control column forward to prevent a stall.
Advanced Aerodynamics & High-Altitude Flight
Load Factor
The ratio of the total load supported by the wings to the actual weight of the aircraft.
Advanced Aerodynamics & High-Altitude Flight
Angle of Attack (AOA)
The angle between the wing's chord line and the relative wind.
Advanced Aerodynamics & High-Altitude Flight
Aerodynamic Buffet
Turbulent airflow over the wing leading to airframe vibrations, a stall warning.
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
For stall recovery, think 'PUSH POWER ROLL' – Push column, Power max, Roll wings level.
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
For the ATM exam, focus on understanding that a stall is always an AOA phenomenon. Be ready to identify factors that increase stall speed (weight, G-load, ice) and the primary recovery actions (reduce AOA, max thrust).
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
Pulling back on the control column during a stall recovery, which increases AOA and worsens the stall.
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
Not applying maximum available thrust quickly enough, especially at high altitudes.
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
Ignoring or misinterpreting stall warning systems like stick shakers.
Advanced Aerodynamics & High-Altitude Flight
Stall Awareness & Recovery in Transport Aircraft
Attempting to climb or turn before the aircraft is fully recovered from the stall.
Advanced Aerodynamics & High-Altitude Flight
Turbulence
Irregular atmospheric motion causing aircraft buffeting.
Advanced Aerodynamics & High-Altitude Flight
Wind Shear
Sudden change in wind velocity or direction over short distance.
Advanced Aerodynamics & High-Altitude Flight
Microburst
Severe localized downdraft from a thunderstorm, causing divergent winds.
Advanced Aerodynamics & High-Altitude Flight
Wake Turbulence
Counter-rotating vortices generated by aircraft wings producing lift.
Advanced Aerodynamics & High-Altitude Flight
Clear Air Turbulence (CAT)
Turbulence in clear skies, often near jet streams or mountain waves.
Advanced Aerodynamics & High-Altitude Flight
Turbulence Penetration Speed
Recommended airspeed for flight through turbulent air.
Advanced Aerodynamics & High-Altitude Flight
Vortex
Mass of swirling fluid, like air, in a spiral motion.
Advanced Aerodynamics & High-Altitude Flight
Turbulence, Wind Shear, and Wake Turbulence
To avoid wake turbulence, remember 'Heavy, Slow, Clean, Sink and Spread.'
Advanced Aerodynamics & High-Altitude Flight
Turbulence, Wind Shear, and Wake Turbulence
For the exam, memorize that wake turbulence is strongest behind heavy, slow, and clean aircraft. Also, know the primary recovery actions for wind shear (max thrust, pitch up) and turbulence (maintain attitude, reduce speed).
Advanced Aerodynamics & High-Altitude Flight
Turbulence, Wind Shear, and Wake Turbulence
Chasing altitude or airspeed during turbulence instead of maintaining attitude.
Advanced Aerodynamics & High-Altitude Flight
Turbulence, Wind Shear, and Wake Turbulence
Attempting to land or continue an approach into a known or suspected severe wind shear.
Advanced Aerodynamics & High-Altitude Flight
Turbulence, Wind Shear, and Wake Turbulence
Not allowing sufficient separation behind a heavy aircraft for wake turbulence to dissipate.
Advanced Aerodynamics & High-Altitude Flight
Density Altitude
Pressure altitude corrected for non-standard temperature.
Aircraft Performance & Load Planning
Takeoff Field Length
Greater of accelerate-stop distance or distance to 35 ft above runway.
Aircraft Performance & Load Planning
Accelerate-Stop Distance
Distance to accelerate to V1, abort, and come to a complete stop.
Aircraft Performance & Load Planning
V1
Takeoff decision speed; engine failure before V1, abort; after V1, continue.
Aircraft Performance & Load Planning
VR
Rotation speed, at which pilot initiates aircraft rotation for takeoff.
Aircraft Performance & Load Planning
V2
Takeoff safety speed; minimum speed to be maintained after liftoff with one engine inoperative.
Aircraft Performance & Load Planning
Landing Distance
Distance from 50 ft above threshold to a complete stop on the runway.
Aircraft Performance & Load Planning
Runway Contamination
Presence of water, snow, slush, or ice on the runway surface.
Aircraft Performance & Load Planning
Takeoff & Landing Performance Calculations
WWAD: Weight, Wind, Altitude (density), Drag (configuration/flaps) – the four main factors affecting aircraft performance.
Aircraft Performance & Load Planning
Takeoff & Landing Performance Calculations
For the ATM exam, be prepared to interpret performance charts for various conditions. Pay close attention to footnotes and corrections for wind, slope, and anti-ice usage. Keywords like 'wet runway,' 'high density altitude,' or 'engine failure at V1' are critical for selecting the correct chart or adjustment factor.
Aircraft Performance & Load Planning
Takeoff & Landing Performance Calculations
Failing to account for all environmental factors (e.g., wind, temperature, pressure) when using performance charts.
Aircraft Performance & Load Planning
Takeoff & Landing Performance Calculations
Incorrectly interpolating values on performance charts, leading to inaccurate distance calculations.
Aircraft Performance & Load Planning
Takeoff & Landing Performance Calculations
Neglecting to apply required safety margins or regulatory adjustments for conditions like wet runways.
Aircraft Performance & Load Planning
Long-Range Cruise (LRC)
Speed for 99% max range, faster than max range speed.
Aircraft Performance & Load Planning
Maximum Endurance
Speed for longest time airborne, lowest fuel flow.
Aircraft Performance & Load Planning
Fuel Flow Rate
Amount of fuel consumed per unit of time (e.g., lbs/hr).
Aircraft Performance & Load Planning
Step Climb
Climbing to a higher altitude as aircraft weight decreases.
Aircraft Performance & Load Planning
Ground Speed (GS)
Aircraft's speed relative to the ground.
Aircraft Performance & Load Planning
Optimal Altitude
Altitude for best fuel efficiency at current weight.
Aircraft Performance & Load Planning
Cruise Performance & Fuel Management
FUEL: F-Factors (weight, alt, temp), U-Understand profiles (LRC, Max End), E-Estimate burn, L-Look for efficiency (step climb).
Aircraft Performance & Load Planning
Cruise Performance & Fuel Management
For the ATM exam, pay close attention to questions distinguishing between Long-Range Cruise (LRC) and Maximum Endurance speeds, and how factors like weight and altitude affect fuel burn. Keywords to spot include 'maximum range,' 'maximum endurance,' 'most economical,' and 'step climb.' Remember that LRC is about balancing speed and efficiency, while max endurance is purely about time airborne.
Aircraft Performance & Load Planning
Cruise Performance & Fuel Management
Confusing Long-Range Cruise (LRC) with Maximum Range speed; LRC is slightly faster for only a minor range penalty.
Aircraft Performance & Load Planning
Cruise Performance & Fuel Management
Neglecting to account for wind components when calculating time to destination and total fuel required.
Aircraft Performance & Load Planning
Cruise Performance & Fuel Management
Not understanding that optimal cruise altitude increases as fuel is burned and aircraft weight decreases.
Aircraft Performance & Load Planning
Center of Gravity (CG)
The point where the total weight of the aircraft is concentrated.
Aircraft Performance & Load Planning
Reference Datum
An imaginary vertical plane from which all arms are measured.
Aircraft Performance & Load Planning
Moment
The product of a weight and its arm (Weight x Arm).
Aircraft Performance & Load Planning
Basic Empty Weight (BEW)
Aircraft weight with operational equipment and unusable fluids.
Aircraft Performance & Load Planning
Zero Fuel Weight (ZFW)
Aircraft weight excluding usable fuel; a structural limit.
Aircraft Performance & Load Planning
Maximum Takeoff Weight (MTOW)
Maximum certificated weight for beginning takeoff roll.
Aircraft Performance & Load Planning
Maximum Landing Weight (MLW)
Maximum certificated weight for landing.
Aircraft Performance & Load Planning
Arm
Horizontal distance from the reference datum to an item's CG.
Aircraft Performance & Load Planning
Weight & Balance Principles for Transport Aircraft
To remember the CG formula: 'Many Great Pilots Calculate Gross Weight' (Moment = Weight x Arm, CG = Total Moment / Total Weight).
Aircraft Performance & Load Planning
Weight & Balance Principles for Transport Aircraft
For the ATM exam, memorize the definitions of Basic Empty Weight, Zero Fuel Weight, Maximum Takeoff Weight, and Maximum Landing Weight. Understand that exceeding ZFW is a structural limit, even if MTOW is not exceeded. Be prepared to identify the effects of forward vs. aft CG on stability and control.
Aircraft Performance & Load Planning
Weight & Balance Principles for Transport Aircraft
Confusing Zero Fuel Weight (ZFW) with Maximum Takeoff Weight (MTOW) or Maximum Landing Weight (MLW). ZFW is a structural limit for the fuselage and wing root, independent of fuel weight.
Aircraft Performance & Load Planning
Weight & Balance Principles for Transport Aircraft
Assuming that if the total weight is within limits, the CG must also be within limits. Weight and CG are separate, critical calculations.
Aircraft Performance & Load Planning
Weight & Balance Principles for Transport Aircraft
Underestimating the impact of an aft CG. While it can reduce drag, it severely compromises stability and recovery authority, making the aircraft dangerous to fly.
Aircraft Performance & Load Planning
Performance Chart
Graphical/tabular data showing aircraft capabilities under conditions.
Aircraft Performance & Load Planning
Balanced Field Length
Takeoff distance where accelerate-stop and engine-out distances are equal.
Aircraft Performance & Load Planning
Climb Gradient
Ratio of altitude gained to horizontal distance covered.
Aircraft Performance & Load Planning
Structural Limit
Maximum weight an aircraft can physically withstand.
Aircraft Performance & Load Planning
Performance Limit
Maximum weight allowed by operational or environmental factors.
Aircraft Performance & Load Planning
60% Rule
14 CFR Part 121 landing distance must be within 60% of runway.
Aircraft Performance & Load Planning
Performance Limiting Factors & Charts
HOT-WASH: High OAT, Weight, Altitude, Slope, Humidity. These make performance WOrse.
Aircraft Performance & Load Planning
Performance Limiting Factors & Charts
For the ATM exam, memorize that 14 CFR Part 121 requires a turbojet airplane to be able to land within 60% of the effective runway length for dry runways. Keywords: '60% rule', 'Part 121 landing'.
Aircraft Performance & Load Planning
Performance Limiting Factors & Charts
Failing to account for all environmental factors (e.g., neglecting humidity's effect on density altitude).
Aircraft Performance & Load Planning
Performance Limiting Factors & Charts
Not applying appropriate safety margins, especially for adverse runway conditions.
Aircraft Performance & Load Planning
Performance Limiting Factors & Charts
Incorrectly interpolating data from performance charts, leading to inaccurate calculations.
Aircraft Performance & Load Planning
Jet Stream
Narrow band of strong winds in the upper troposphere.
Advanced Aviation Meteorology
Air Mass
Large body of air with uniform temperature and moisture.
Advanced Aviation Meteorology
Front
Boundary between two different air masses.
Advanced Aviation Meteorology
Mountain Wave
Atmospheric gravity wave formed by air over mountains.
Advanced Aviation Meteorology
Low-Level Wind Shear
Sudden change in wind over a short distance near ground.
Advanced Aviation Meteorology
Radiation Fog
Forms on clear, calm nights due to ground cooling.
Advanced Aviation Meteorology
Advection Fog
Forms when warm, moist air moves over a cool surface.
Advanced Aviation Meteorology
Lenticular Clouds
Lens-shaped clouds indicative of mountain waves.
Advanced Aviation Meteorology
Advanced Weather Systems & Phenomena for ATP
To remember fog types: 'RAdio USeS Ice.' R: Radiation, A: Advection, U: Upslope, S: Steam, I: Ice.
Advanced Aviation Meteorology
Advanced Weather Systems & Phenomena for ATP
For the ATM exam, pay close attention to the characteristics and associated weather of different types of fronts (cold, warm, occluded, stationary). Also, memorize the conditions for various fog types and the hazards of mountain waves, especially lenticular clouds and rotor turbulence. Keywords: 'frontal passage,' 'temperature/dew point spread,' 'stable air over mountains.'
Advanced Aviation Meteorology
Advanced Weather Systems & Phenomena for ATP
Underestimating the severity of turbulence associated with mountain waves, especially rotor turbulence.
Advanced Aviation Meteorology
Advanced Weather Systems & Phenomena for ATP
Confusing the weather associated with a cold front versus a warm front (e.g., expecting stratiform clouds with a cold front).
Advanced Aviation Meteorology
Advanced Weather Systems & Phenomena for ATP
Ignoring low-level wind shear warnings, particularly during takeoff and landing, which can lead to catastrophic airspeed loss.
Advanced Aviation Meteorology
Rime Ice
Opaque, rough ice, forms in stratiform clouds.
Advanced Aviation Meteorology
Clear Ice
Transparent, smooth ice, forms in cumuliform clouds.
Advanced Aviation Meteorology
Anti-icing System
Prevents ice from forming on aircraft surfaces.
Advanced Aviation Meteorology
De-icing System
Removes ice that has already formed.
Advanced Aviation Meteorology
Supercooled Water
Liquid water below 0°C, freezes on impact.
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
ICE: I Can't Escape. Icing is dangerous, so you can't escape its effects without proper action.
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
Memorize the recommended thunderstorm avoidance distance: 20 nautical miles. Also, know that onboard weather radar detects precipitation, not turbulence.
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
Assuming clear skies mean no turbulence (forgetting CAT).
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
Relying solely on visual cues for icing (ice can be subtle).
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
Attempting to fly through a thunderstorm, even a 'small' one.
Advanced Aviation Meteorology
Turbulence, Icing, and Thunderstorm Avoidance
Not reducing airspeed before entering known or forecast turbulence.
Advanced Aviation Meteorology
METAR
Aviation routine weather report, current hourly observations.
Advanced Aviation Meteorology
TAF
Terminal aerodrome forecast, expected airport weather for 24-30 hours.
Advanced Aviation Meteorology
PIREP
Pilot report, in-flight observation of actual weather conditions.
Advanced Aviation Meteorology
FSS
Flight Service Station, provides weather briefings and flight plan services.
Advanced Aviation Meteorology
AWC
Aviation Weather Center, provides aviation weather products and forecasts.
Advanced Aviation Meteorology
SigWx Chart
Significant Weather Chart, forecasts icing, turbulence, and thunderstorms.
Advanced Aviation Meteorology
TEMPO
Temporary conditions in a TAF, expected for less than half the period.
Advanced Aviation Meteorology
PROB
Probability of occurrence in a TAF, usually 30% or 40% chance.
Advanced Aviation Meteorology
Aviation Weather Products & Services
To remember the order of a TAF's main elements: 'Winds Vigorously Stir Sky Clouds'. (Wind, Visibility, Significant Weather, Sky Condition, Clouds)
Advanced Aviation Meteorology
Aviation Weather Products & Services
The ATM exam frequently tests your ability to decode METARs and TAFs, including all their various groups and abbreviations. Pay close attention to wind direction/speed, visibility, sky conditions, and especially TEMPO/PROB groups. Also, know the types of briefings (standard, abbreviated, outlook) and their appropriate uses.
Advanced Aviation Meteorology
Aviation Weather Products & Services
Ignoring the time validity of TAFs and METARs, using outdated information for decision-making.
Advanced Aviation Meteorology
Aviation Weather Products & Services
Failing to cross-reference multiple weather products (e.g., TAF with radar imagery) for a complete picture.
Advanced Aviation Meteorology
Aviation Weather Products & Services
Not understanding the difference between 'forecast' and 'observation' and their implications for flight safety.
Advanced Aviation Meteorology
SIGMET
Significant Meteorological Information; advises of hazardous weather for all aircraft.
Advanced Aviation Meteorology
AIRMET
Airman's Meteorological Information; advises of weather that may affect safety for smaller aircraft.
Advanced Aviation Meteorology
Volcanic Ash
Fine particles ejected from a volcano, highly hazardous to aircraft engines and systems.
Advanced Aviation Meteorology
Alternate Airport
An airport specified in the flight plan to which a flight may proceed if unable to land at destination.
Advanced Aviation Meteorology
ACARS
Aircraft Communications Addressing and Reporting System for digital data exchange.
Advanced Aviation Meteorology
Meteorological Hazards & Decision Making
W-A-R-M: Weather, Alternates, Route, Minimums – A quick check for pre-flight weather decision-making.
Advanced Aviation Meteorology
Meteorological Hazards & Decision Making
For the ATM exam, memorize the specific conditions that require an alternate airport for Part 121 operations. Key phrase: '1-2-3 rule' for destination weather forecasts. If for 1 hour before to 1 hour after ETA, the ceiling is forecast to be less than 2,000 feet or visibility less than 3 miles, an alternate is required.
Advanced Aviation Meteorology
Meteorological Hazards & Decision Making
Underestimating the rapid development of convective weather, leading to being trapped.
Advanced Aviation Meteorology
Meteorological Hazards & Decision Making
Failing to adequately plan for fuel reserves in anticipation of weather-related delays or diversions.
Advanced Aviation Meteorology
Meteorological Hazards & Decision Making
Over-relying on a single source of weather information rather than cross-referencing multiple products.
Advanced Aviation Meteorology
FMS
Flight Management System; integrates navigation, performance, and aircraft systems.
Navigation & Air Traffic Procedures
RNAV
Area Navigation; permits operations on any desired flight path.
Navigation & Air Traffic Procedures
RNP
Required Navigation Performance; RNAV with on-board performance monitoring.
Navigation & Air Traffic Procedures
CDU/MCDU
Control Display Unit/Multi-Function Control Display Unit; pilot interface for FMS.
Navigation & Air Traffic Procedures
Waypoint
A geographical position used for navigation.
Navigation & Air Traffic Procedures
Navigation Specification
Defines the required navigation performance accuracy for a procedure.
Navigation & Air Traffic Procedures
Lateral Navigation
Guidance along the horizontal plane of the flight path.
Navigation & Air Traffic Procedures
Advanced Navigation Systems (FMS, RNAV, RNP)
Remember 'RNP' as 'Really Nifty Precision' because it monitors itself for accuracy!
Navigation & Air Traffic Procedures
Advanced Navigation Systems (FMS, RNAV, RNP)
For the ATM exam, memorize that RNP is a type of RNAV that includes 'on-board performance monitoring and alerting'. Keywords for RNP include 'monitoring' and 'alerting'.
Navigation & Air Traffic Procedures
Advanced Navigation Systems (FMS, RNAV, RNP)
Confusing RNAV with RNP: RNP *is* RNAV, but with the added safety feature of performance monitoring and alerting.
Navigation & Air Traffic Procedures
Advanced Navigation Systems (FMS, RNAV, RNP)
Assuming FMS is always accurate: Pilots must cross-check FMS data with other sources and be aware of database currency.
Navigation & Air Traffic Procedures
Advanced Navigation Systems (FMS, RNAV, RNP)
Over-reliance on automation: Always maintain situational awareness and be prepared to take manual control or revert to conventional navigation.
Navigation & Air Traffic Procedures
Clearance
ATC authorization for an aircraft to proceed under specified conditions.
Navigation & Air Traffic Procedures
Readback
Pilot repeating an ATC clearance or instruction to confirm understanding.
Navigation & Air Traffic Procedures
SID
Standard Instrument Departure, a pre-planned IFR departure route.
Navigation & Air Traffic Procedures
STAR
Standard Terminal Arrival Route, a pre-planned IFR arrival route.
Navigation & Air Traffic Procedures
RVSM
Reduced Vertical Separation Minimum, 1000 ft separation FL290-FL410.
Navigation & Air Traffic Procedures
Oceanic Control
ATC services over oceans, often procedural without radar coverage.
Navigation & Air Traffic Procedures
Phraseology
Standardized language used in aviation communication for clarity.
Navigation & Air Traffic Procedures
SLOP
Strategic Lateral Offset Procedures, for collision risk mitigation in oceanic airspace.
Navigation & Air Traffic Procedures
Air Traffic Control Procedures for Air Carriers
C-R-A-S-H: Clearances, Readbacks, Altitude, Speed, Holding – key ATC elements.
Navigation & Air Traffic Procedures
Air Traffic Control Procedures for Air Carriers
For the ATM exam, be prepared to identify correct ATC phraseology for various situations (e.g., requesting a climb, reporting a position, acknowledging a clearance). Pay close attention to RVSM requirements and oceanic reporting procedures.
Navigation & Air Traffic Procedures
Air Traffic Control Procedures for Air Carriers
Failing to read back critical clearances (altitude, heading, speed, route).
Navigation & Air Traffic Procedures
Air Traffic Control Procedures for Air Carriers
Not questioning an unclear or ambiguous ATC instruction.
Navigation & Air Traffic Procedures
Air Traffic Control Procedures for Air Carriers
Assuming ATC has radar coverage in all areas, especially oceanic or remote regions.
Navigation & Air Traffic Procedures
HF Radio
High-Frequency radio for long-range communication via ionospheric reflection.
Navigation & Air Traffic Procedures
Skywave Propagation
Radio wave reflection off the ionosphere, enabling long-distance communication.
Navigation & Air Traffic Procedures
Ionosphere
Layer of Earth's atmosphere that reflects HF radio waves.
Navigation & Air Traffic Procedures
Position Report
Standardized report to ATC detailing aircraft's location, time, and next waypoint.
Navigation & Air Traffic Procedures
CPDLC
Controller-Pilot Data Link Communications, text-based ATC messaging.
Navigation & Air Traffic Procedures
SATCOM
Satellite Communications, using satellites for voice and data over remote areas.
Navigation & Air Traffic Procedures
Jet Routes
High-altitude airways (FL180-FL450) for IFR traffic, defined by VORs.
Navigation & Air Traffic Procedures
High-Altitude Navigation & Communication
To remember HF radio's challenges: 'Solar Flares Can Kill Signals' (Solar flares, Congestion, Kinks in propagation, Signal fading).
Navigation & Air Traffic Procedures
High-Altitude Navigation & Communication
For the ATM exam, memorize the components of a standard ICAO position report: Aircraft ID, Position, Time, Flight Level, Next Position and Estimated Time, and Subsequent Position. Also, understand when HF is used and its limitations.
Navigation & Air Traffic Procedures
High-Altitude Navigation & Communication
Failing to understand that VHF is line-of-sight and ineffective for true long-range oceanic communication.
Navigation & Air Traffic Procedures
High-Altitude Navigation & Communication
Not knowing the proper format for oceanic position reports, which is critical for non-radar environments.
Navigation & Air Traffic Procedures
High-Altitude Navigation & Communication
Underestimating the impact of atmospheric conditions and solar activity on HF radio reliability.
Navigation & Air Traffic Procedures
MAYDAY
International distress signal, indicating grave and imminent danger.
Navigation & Air Traffic Procedures
PAN-PAN
International urgency signal, indicating a serious but not immediate danger.
Navigation & Air Traffic Procedures
QRH
Quick Reference Handbook, containing aircraft emergency checklists.
Navigation & Air Traffic Procedures
ECAM
Electronic Centralized Aircraft Monitor (Airbus), displays system info and procedures.
Navigation & Air Traffic Procedures
Drift-down procedure
Technique to descend to a safe single-engine altitude after engine failure.
Navigation & Air Traffic Procedures
Squawk 7700
Transponder code for general emergency.
Navigation & Air Traffic Procedures
Emergency & Abnormal Operations: ATP Essentials
ANC: Always 'Aviate' first, then 'Navigate,' then 'Communicate.' It's like driving a car – you steer before calling for help!
Navigation & Air Traffic Procedures
Emergency & Abnormal Operations: ATP Essentials
Memorize the 'Aviate, Navigate, Communicate' mantra and the specific phrases 'MAYDAY' and 'PAN-PAN' for the exam. Understand when to use each and the information to provide to ATC.
Navigation & Air Traffic Procedures
Emergency & Abnormal Operations: ATP Essentials
Not prioritizing 'Aviate' (maintaining aircraft control) before other tasks.
Navigation & Air Traffic Procedures
Emergency & Abnormal Operations: ATP Essentials
Failing to declare an emergency early enough, delaying ATC assistance.
Navigation & Air Traffic Procedures
Emergency & Abnormal Operations: ATP Essentials
Not following the checklist precisely, or attempting to troubleshoot without it.
Navigation & Air Traffic Procedures
SHELL Model
Framework for understanding human-system interfaces.
Human Factors & Crew Resource Management
Error Chain
Series of events leading to an incident/accident.
Human Factors & Crew Resource Management
Latent Failure
Hidden system weaknesses that contribute to errors.
Human Factors & Crew Resource Management
Physiological Factors
Bodily conditions affecting performance (e.g., fatigue).
Human Factors & Crew Resource Management
Psychological Factors
Mental states affecting performance (e.g., stress, bias).
Human Factors & Crew Resource Management
Situational Awareness
Accurate perception of current flight conditions.
Human Factors & Crew Resource Management
Human Factors in Aviation Safety
Think of the 'SHELL' model as a 'SHELL' protecting the 'L' (Liveware) at its core: Software, Hardware, Environment, and Liveware (others) all interact with the central Liveware (you!).
Human Factors & Crew Resource Management
Human Factors in Aviation Safety
For the ATM exam, focus on identifying the categories of human factors (physiological, psychological, environmental, technical) and how they relate to the SHELL model. Keywords to spot include 'error chain,' 'latent conditions,' and 'human-machine interface.'
Human Factors & Crew Resource Management
Human Factors in Aviation Safety
Underestimating the impact of personal physiological states (e.g., mild illness, lack of sleep) on decision-making and performance.
Human Factors & Crew Resource Management
Human Factors in Aviation Safety
Failing to recognize that errors often stem from a chain of events, not just one isolated mistake, and not intervening early.
Human Factors & Crew Resource Management
Human Factors in Aviation Safety
Believing that advanced automation eliminates the need for human factors awareness; automation can introduce new human factor challenges.
Human Factors & Crew Resource Management
TEM
Threat and Error Management; proactive safety framework.
Human Factors & Crew Resource Management
Closed-loop communication
Sender transmits, receiver acknowledges and repeats.
Human Factors & Crew Resource Management
Situation Awareness
Accurate perception of current operational environment.
Human Factors & Crew Resource Management
Leadership
Guiding the crew, delegating, fostering input.
Human Factors & Crew Resource Management
Followership
Actively supporting the leader, monitoring, speaking up.
Human Factors & Crew Resource Management
Briefing
Pre-flight discussion of plans and potential issues.
Human Factors & Crew Resource Management
Crew Resource Management (CRM) Principles
CRM is 'C'ool 'R'esource 'M'anagement: Communicate, React, and Manage!
Human Factors & Crew Resource Management
Crew Resource Management (CRM) Principles
For the ATM exam, focus on the core components of CRM: communication, leadership, teamwork, situation awareness, and decision-making. Understand that CRM is about using ALL available resources, human and otherwise, for safety.
Human Factors & Crew Resource Management
Crew Resource Management (CRM) Principles
Believing CRM is only for the Captain; it applies to all crew members.
Human Factors & Crew Resource Management
Crew Resource Management (CRM) Principles
Confusing CRM with just 'good manners'; it's a structured approach to safety.
Human Factors & Crew Resource Management
Crew Resource Management (CRM) Principles
Failing to challenge an unsafe action or decision due to perceived hierarchy.
Human Factors & Crew Resource Management
Automation
Systems that perform tasks automatically, reducing pilot workload.
Human Factors & Crew Resource Management
Mode Confusion
Misunderstanding the active or future state of an automated system.
Human Factors & Crew Resource Management
Automation Surprise
Automation performing an unexpected action or behavior.
Human Factors & Crew Resource Management
In the Loop
Pilots actively monitoring and understanding automation's actions.
Human Factors & Crew Resource Management
Monitoring
Continuously observing aircraft and automation performance.
Human Factors & Crew Resource Management
Intervention
Pilot taking control when automation is not performing as desired.
Human Factors & Crew Resource Management
Automation Management & Error Prevention
To manage automation, remember 'V.A.M.P.': Verify, Anticipate, Monitor, Plan. Always be a VAMP!
Human Factors & Crew Resource Management
Automation Management & Error Prevention
The FAA exam often tests your understanding of automation's impact on situational awareness and the need for active monitoring. Look for questions about 'mode confusion' or 'automation surprise' and the appropriate pilot response.
Human Factors & Crew Resource Management
Automation Management & Error Prevention
Assuming automation will always do the right thing without verification.
Human Factors & Crew Resource Management
Automation Management & Error Prevention
Failing to understand the current operating mode of the autopilot or FMS.
Human Factors & Crew Resource Management
Automation Management & Error Prevention
Allowing manual flying skills to degrade due to over-reliance on automation.
Human Factors & Crew Resource Management
Stress
Body's response to demands; can be positive (eustress) or negative (distress).
Human Factors & Crew Resource Management
Fatigue
Reduced mental/physical performance from sleep loss, extended wakefulness, or circadian disruption.
Human Factors & Crew Resource Management
Aeronautical Decision Making (ADM)
Systematic mental process for consistently determining the best course of action in flight.
Human Factors & Crew Resource Management
Yerkes-Dodson Law
Performance increases with arousal up to a point, then decreases with excessive stress.
Human Factors & Crew Resource Management
14 CFR Part 117
FAA regulations governing flight and duty time limitations and rest requirements for airline pilots.
Human Factors & Crew Resource Management