A
- abbreviated precision approach path indicator
- abbreviated T visual approach slope indicator system
- ablation
- ablative cooling
- abnormal procedure
- abnormal situation
- abort
- above ground level
- above mean sea level
- abrasion
- abscissa
- absolute
- absolute altimeter
- absolute altitude
- absolute ceiling
- absolute frequency
- absolute pressure sensor
- absolute vorticity
- absorption
- accelerate-stop distance available
- accelerate-stop distance required
- accelerate stop-distance
- accelerated stall
- accelerating pump
- acceleration
- acceleration error
- acceleration insensitive drift rate
- acceleration pump
- acceleration sensitive drift
- accelerometer
- acceptable level of safety performance
- accepting controller
- accepting unit
- access control
- access road
- accessory
- accessory gearbox
- accident
- accident scene
- accident site
- acclimatisation
- acclimatization
- accompanied
- accredited agent
- accredited examiner
- accumulated temperature
- accumulation
- acknowledge of receipt
- acknowledgement
- aclinic line
- acoustic ear muffs
- acoustic fatigue test
- acquirements
- acrobatic flight
- across track error
- active satellite
- acts of unlawful interference
- actuación humana
- actual time of arrival
- actual time of departure
- actual time of observation
- address selection beacon system
- ADF receiver
- adiabat
- adiabatic
- adiabatic chart
- adiabatic cooling
- adiabatic diagram
- adiabatic gradient
- adiabatic lapse rate
- adiabatic process
- adiabatic trail
- adjus
- adjustable
- adjustable-pitch propeller
- adjustable dam nozzle
- adjustable pitch propeller
- adjustable propeller
- adjustment template
- adult
- advanced landing field
- advanced passenger information
- advanced surface movement guidance and control system
- advanced visual docking guidance system
- advection
- advection fog
- advective thunderstorm
- adverse yaw
- advisory
- advisory airspace
- advisory area
- advisory route
- advisory service
- aerial depth charge
- aerial dusting
- aerial inspection
- aerial photogrammetry
- aerial photograph
- aerial recovery canopy
- aerial refueling
- aerial search pattern
- aerial spraying
- aerial survey
- aerial work
- aero-engine
- aero-tow flight
- aerobatic flight
- aerobatic maneuver
- aerobridge
- aeroclub
- aerodrome
- aerodrome beacon
- aerodrome boundary
- aerodrome category
- aerodrome certificate
- aerodrome chart
- aerodrome circling
- aerodrome circuit
- aerodrome climatological summary
- aerodrome closed
- aerodrome closing
- aerodrome closing time
- aerodrome closure
- aerodrome concerned
- aerodrome control radio system
- aerodrome control rating
- aerodrome control reporting office
- aerodrome control service
- aerodrome control simulator
- aerodrome control tower
- aerodrome control unit
- aerodrome controller
- aerodrome data
- aerodrome design manual
- aerodrome diagram
- aerodrome directory
- aerodrome elevation
- aerodrome emergency plan
- aerodrome emergency services
- aerodrome environment chart
- aerodrome facilities
- aerodrome fees
- aerodrome field length
- aerodrome fire service
- aerodrome flight information service
- aerodrome floodlight
- aerodrome forecast
- aerodrome geographical data
- aerodrome ground movement chart
- aerodrome identification
- aerodrome identification beacon
- aerodrome identification sign
- aerodrome in sight
- aerodrome information
- aerodrome layout
- aerodrome lighting
- aerodrome lighting system
- aerodrome location indicator
- aerodrome management
- aerodrome mapping data
- aerodrome mapping database
- aerodrome marking
- aerodrome master plan
- aerodrome meteorological conditions
- aerodrome meteorological minima
- aerodrome meteorological observation
- aerodrome meteorological office
- aerodrome movement area
- aerodrome name
- aerodrome observation
- aerodrome obstacle chart
- aerodrome obstacles
- aerodrome obstruction chart
- aerodrome of departure
- aerodrome of destination
- aerodrome of first destination
- aerodrome of intended destination
- aerodrome of intended landing
- aerodrome of landing
- aerodrome of origin
- aerodrome office
- aerodrome on offshore structure
- aerodrome open to civil traffic
- aerodrome open to international traffic
- aerodrome open to national traffic
- aerodrome operating hours
- aerodrome operating minima
- aerodrome operational hours
- aerodrome operational planning
- aerodrome operator
- aerodrome owner
- aerodrome personnel
- aerodrome reference point
- aerodrome reference temperature
- aerodrome report
- aerodrome routine meteorological report
- aerodrome sketch
- aerodrome special meteorological report
- aerodrome supervision
- aerodrome surface movement control
- aerodrome surveillance radar
- aerodrome taxi circuit
- aerodrome traffic
- aerodrome traffic circuit
- aerodrome traffic control tower
- aerodrome traffic density
- aerodrome traffic zone
- aerodrome unsafe, do not land
- aerodrome unusable due to snow on runway
- aerodrome user
- aerodrome warn
- aerodrome warning
- aerodrome weather information
- aerodrome weather report
- aerodrome zone
- aerodromes, air routes and ground aids
- aerodynamic balance
- aerodynamic center
- aerodynamic coefficient
- aerodynamic forces
- aerodynamic heating
- aerodynamic lift
- aerodynamics
- aerodyne
- aeroembolism
- aerofoil
- aerological diagram
- aeromedical evacaution system
- aeromedical evacuation
- aeronautical beacon
- aeronautical chart
- aeronautical emergency
- aeronautical fixed service
- aeronautical fixed telecommunications network
- aeronautical ground light
- aeronautical information circular
- aeronautical information publication
- aeronautical information regulation and control
- aeronautical information service
- aeronautical meteorological office
- aeronautical meteorological service
- aeronautical meteorological station
- aeronautical mobile service
- aeronautical product
- aeronautical radio incorporated
- aeronautical telecommunications network
- aeronautics
- aeronomy
- aerophobia
- aeroplane
- aeroplane reference field length
- aeroplane upset
- aerospace
- aerostat
- aerostatics
- aerothermodynamic duct (athodyd)
- after-burner
- after passing
- afterburner
- afterburning
- aging aircraft
- agonic line
- agricultural aviation
- agricultural operations
- aid to air navigation
- aileron
- aileron angle
- aileron roll
- aiming point
- aiming point marking
- aiport emergency response
- aiport fire station
- air-report
- air-to-air missile
- air-to-ground
- air-to-ground communication
- air-to-surface missile
- air base
- air brake
- air cargo
- air cargo (without mail)
- air cargo terminal
- air carrier
- air compressor intake throttle
- air control centre
- air cushion vehicle
- air cushion vehicle; hovercraft
- air data computer
- air defence
- air density
- air embolism
- air frame
- air freight
- air humidity
- air manifest of cargo
- air mass
- air mass thunderstorm
- air mileage indicator
- air navigation
- air navigation aid
- Air Navigation Bureau
- Air Navigation Commission
- air navigation facility
- air navigation service provider
- air navigation services
- air operator certificate
- air position indicator
- air route surveillance radar
- Air Route Traffic Control Center
- air show
- air sickness
- air side
- air space
- air speed
- air sports
- air start unit
- air strip
- air taxi
- air temperature
- air ticket
- air traffic
- air traffic clearence
- air traffic control
- air traffic control centre
- air traffic control clearance
- air traffic control officer
- air traffic control tower
- air traffic controller
- air traffic flow
- air traffic flow management
- air traffic management
- air traffic management system
- air traffic separation
- air traffic service
- air traffic services unit
- air transportation
- air travel ticket
- air turbine motor
- air waybill
- airborne
- airborne collision avoidance system
- airborne early warning
- airborne situational awareness
- airborne weather radar
- aircraft
- aircraft accident
- aircraft approach limitation
- aircraft based augmentation system
- aircraft carrier
- aircraft category
- aircraft certificated for single-pilot operation
- aircraft classification number
- aircraft communications addressing and reporting system
- aircraft configuration
- aircraft container
- aircraft crew member
- aircraft debogging
- aircraft dinghy
- aircraft dispatcher
- aircraft engine
- aircraft external lights
- aircraft gross weight
- aircraft hull loss
- aircraft in distress
- aircraft integrated data system
- aircraft interchange data system
- aircraft jacking
- aircraft maintenance manual
- aircraft maintenance mechanic
- aircraft make
- aircraft marshaller
- aircraft model
- aircraft movement area
- aircraft nationality mark
- aircraft nose
- aircraft on ground
- aircraft operating manual
- aircraft operator
- aircraft operator manual
- aircraft parking position
- aircraft parking/docking chart
- aircraft recovery
- aircraft recovery operation
- aircraft registration
- aircraft registration mark
- aircraft salvage
- aircraft security check
- aircraft stand
- aircraft stand manoeuvring guidance lights
- aircraft stand taxilane
- aircraft upset
- aircraft wreckage
- aircrew
- aircrew equipment assembly
- airfare
- airflow
- airflow in forward flight
- airfoil
- airfoil profile
- airfoil section
- airframe
- airlift
- airlift aircraft
- airline (1)
- airline (2)
- airline alliance
- airline pilot
- airline transport pilot
- airmail
- airman
- airman's meteorological information
- airmanship
- airmass thunderstorm
- airplane
- airplane configuration
- airplane flight instructor
- airplane flight manual
- airport
- airport administration
- airport capacity
- airport category
- airport emergency plan
- airport emergency response
- airport fire station
- airport infrastructure
- airport level
- airport operator
- airport reference point
- airport site
- airport slot
- airport surface detection equipment
- airport surveillance radar
- airscrew
- airship
- airshow
- airsickness
- airside
- airspace
- airspace control
- airspeed
- airspeed indicator
- airstair door
- airstrip
- airtanker
- airway
- airworthiness
- airworthiness certificate
- airworthiness directive
- airworthy
- AIS unit
- ala cortada
- albedo
- albedograph
- albedometer
- ALERFA
- alert phase
- alerting service
- alfa
- alight
- alighting
- alignment bar
- all-up weight
- alliance
- allowable engine operating time
- alternate aerodrome
- alternate airport
- altimeter
- altimeter setting
- altimetry
- altitud de decisión
- altitude
- altitude encoder
- altitude engine
- altocumulus
- altostratus
- ambient temperature
- amperimeter
- amphibian
- amphibian gyroplane
- amphibian helicopter
- amphibian ornithoper
- anaphylactic shock, anaphylactic reaction
- anaphylaxis
- anemometer
- angle of approach indicator
- angle of attack
- angle of attack boundary
- angle of attack indicator
- angle of depression
- angle of descent
- angle of deviation
- angle of downwash
- angle of incidence
- angle of pitch
- angle of roll
- angle of sidewash
- angle of twist
- angle of upwash
- angle of yaw
- angular accelerometer
- annoyance noise level
- antenna
- antenna mast
- anti-ice
- anti-torque rotor
- anticollision light
- anticyclone
- apparatus
- appliance
- approach
- approach angle
- approach area
- approach control radar
- approach control service
- approach control; approach control office
- approach fix
- approach idling conditions
- approach light system
- approach lighting aid
- approach lighting syatem
- approach lighting system
- approach reference noise measurement point
- approach speed
- approach to stall
- approved maintenance organization
- approved training organization
- apron
- apron management service
- apron safety lines
- aquaplaning
- aqueous vapor
- area control center
- area forecast
- armed forces
- arresting gear
- arresting system
- arterial gas embolism (AGE)
- artificial horizon
- aspect ratio
- assembly
- assembly point
- asymmetric flight
- ATC clearance
- atmosphere
- atmospheric pressure
- attitude
- attitude indicator
- auto-coupled approach
- autobrake
- autogyro rotorcraft
- autoland
- automated data interchange system
- automated external defibrillator
- automated terminal information service
- automatic dependent surveillance
- automatic direction finder
- automatic flare
- automatic flight control system
- automatic landing
- automatic pilot
- automatic terminal information system
- autonomous aircraft
- autonomous runway incursion warning system
- autopilot
- autorotation
- autothrottle
- auxiliary power unit
- available seat-kilometres
- avgas
- aviation gasoline
- aviation maintenance technician
- aviation routine weather report
- aviation service providers
- avionics
- axial compressor
- azimuth guidance unit