A

• a-stage
• A battery
• a display
• a. c. power supply
• abandon procedure
• abandoned takeoff
• abbot synchronizer
• abbreviated flight plan
• abbreviated precision approach path indicator
• abbreviated T visual approach slope indicator system
• abbreviated visual approach slope indicator system
• abeam
• ability
• ablation
• ablative cooling
• ablative plastic
• ablative shielding
• abnormal spin
• aboard
• abort
• abort zone
• aborted start
• aborted takeoff
• about
• above
• above ground level
• above mean sea level
• abrade
• abrasion resistant coating
• abreast of
• abridged specification
• abrogate
• abrupt deceleration vehicle
• abscissa
• absolute
• absolute altitude
• absorbent toweling
• absorber circuit
• absorptiometer
• absorption
• absorption account
• absorption cost
• absorption costing
• absorption of the company by another
• absorption rate
• absorption type wavemeter
• abstracted
• abut
• acacia gum
• accelerate-stop distance
• accelerate-stop distance available
• accelerate-stop distance required
• accelerated aging
• accelerated depreciation
• accelerated fatigue test
• accelerated stall
• accelerated test factor
• accelerating moment
• accelerating potential
• accelerating pump
• acceleration
• acceleration atelactasis
• acceleration error
• acceleration factor
• acceleration feedback
• acceleration grid
• acceleration insentitive drift rate
• acceleration jet
• acceleration pump
• acceleration schedule
• acceleration sensitive drift
• acceleration squared sensitive
• acceleration vector
• acceleration voltage
• accelerator
• accelerograph
• accelerometer
• accent color
• accentuate
• accept
• accept a bill of exchange
• acceptability
• acceptable means of compliance
• acceptable quality level
• acceptance
• acceptance certificate
• acceptance check
• acceptance criteria
• acceptance flight
• acceptance inspection
• acceptance mean life
• acceptance number
• acceptance probability
• acceptance sampling
• acceptance test
• accepting controller
• accepting unit
• accepting usage
• acceptor atom (transistors)
• acceptor circuit
• access
• access control
• access door
• access removal
• access road
• access time
• accessibility
• accessories
• accessory
• accessory drive gears
• accessory gearbox
• accessory housing
• accessory plant
• accident
• accident insurance
• accident prevention
• accident reserve
• acclimatization
• accommodation bill
• accommodation endorsement
• accommodation note
• accredited agent
• accredited examiner
• accredited representative
• accrual basis
• accumulation
• accuracy
• accurate reading
• acessory gearbox
• acetic acid
• acetone
• acetylene
• achieved overhaul life
• acid red
• acid soot
• acid tank
• acid vapor
• acid washing
• acid water pollution
• acidiferous
• acidness
• acknowledge of receipt
• aclinic line
• acoustic ear muffs
• acoustic fatigue test
• acoustic feedback
• acoustic frequency
• acoustic insulation
• acquaint with
• acquaintance with a fact
• acquirements
• acquisition and tracking radar
• acrobatic flight
• across flats
• across track error
• activated charcoal
• active buffer
• active communication satellite
• active control
• active maintenance cost
• active repair time
• active runway
• active satellite
• actual configuration
• actual cost
• actual efficiency
• actual exhaust velocity
• actual flight path
• actual fuel endurance
• actual load
• actual production cost
• actual profile
• actual profit
• actual time of arrival
• actual time of departure
• actual weight
• actuating by deadman type
• actuating cylinder
• actuating point
• actuating pressure
• actuating rod
• actuating voltage
• actuation reaction point
• actuator
• acute angle
• adapter bushing
• adapter plug
• adapter skirt
• adapter sleeve
• adapter type ball bearing
• adcock aerial
• adcock direction finder
• additional cost
• additional load
• additional weight
• additive
• address selection beacon system
• adf receiver
• adiabat
• adiabatic
• adiabatic process
• adjacency matrix
• adjustable-pitch propeller
• adjustable ball joint
• adjustable crowned hex head
• adjustable dam nozzle
• adjustable drive
• adjustable duct switch
• adjustable for height
• adjustable hook spanner
• adjustable limit snap gauge
• adjustable pitch propeller
• adjustable potentiometer
• adjustable propeller
• adjustable snap gage
• adjustable spanner
• adjustable spanner wrench
• adjustable stabilizer
• adjustable stops
• adjustable value
• adjustable voltage control
• adjustable wrench
• adjusting nut wrench
• adjusting ring
• adjusting screw
• administrative area
• administrative body
• administrative expense
• administrative law
• advance blade
• advance boundary information
• advance the control lever
• advanced landing field
• advanced qualification programme
• advancing blade
• advection
• advection fog
• advection of moisture
• advection of temperature
• advective thunderstorm
• adverse yaw
• advise
• advise at what time able
• advisory
• advisory airspace
• advisory area
• advisory route
• advisory service
• aerial application
• aerial applications in agriculture
• aerial contour survey
• aerial delivery
• aerial delivery cargo
• aerial delivery personnel
• aerial depth charge
• aerial dress parade
• aerial dusting
• aerial inspection
• aerial marker
• aerial photogrammetry
• aerial photograph
• aerial pick up
• aerial recovery canopy
• aerial search pattern
• aerial sound ranging
• aerial spotting
• aerial spraying
• aerial survey
• aerial tuning capacitor
• aerial unit
• aerial work
• aero-engine
• aero-tow flight
• aero isoclinic wing
• aerobatic flight
• aerobiology
• aeroclub
• aerodrome
• aerodrome beacon
• aerodrome chart
• aerodrome circling
• aerodrome circuit
• aerodrome control radio station
• aerodrome control reporting office
• aerodrome control service
• aerodrome control tower
• aerodrome elevation
• aerodrome emergency plan
• aerodrome field length
• aerodrome flight information service
• aerodrome floodlight
• aerodrome forecast
• aerodrome identification sign
• aerodrome layout
• aerodrome master plan
• aerodrome meteorological minima
• aerodrome observation
• aerodrome obstacle chart
• aerodrome obstruction chart
• aerodrome operating minima
• aerodrome pressure altitude
• aerodrome reference point
• aerodrome routine meteorological report
• aerodrome special meteorological reports
• aerodrome taxi circuit
• aerodrome traffic
• aerodrome traffic circuit
• aerodrome traffic zone
• aerodrome warning
• aerodromes, air routes and ground aids
• aeroduct
• aerodynamic balance
• aerodynamic buffet
• aerodynamic center
• aerodynamic characteristics
• aerodynamic cleanness
• aerodynamic coefficient
• aerodynamic configuration
• aerodynamic control
• aerodynamic damping
• aerodynamic forces
• aerodynamic heating
• aerodynamic lag
• aerodynamic lift
• aerodynamic load
• aerodynamic mean chord
• aerodynamic missile
• aerodynamic pressure
• aerodynamic seal
• aerodynamic trail
• aerodynamic twist
• aerodynamic twisting
• aerodynamic vehicle
• aerodynamics
• aerodyne
• aeroelasticity
• aeroembolism
• aerofoil
• aerolite
• aerological diagram
• aeromedical evacuation system
• aeronautical administrative communications
• aeronautical beacon
• aeronautical chart
• aeronautical decision-making
• aeronautical fixed service
• aeronautical fixed telecommunications network
• aeronautical ground light
• aeronautical incident
• aeronautical information circular
• aeronautical information management
• aeronautical information publication
• aeronautical information regulation and control
• aeronautical information service
• aeronautical meteorological station
• aeronautical mobile satellite service
• aeronautical mobile service
• aeronautical operational control
• aeronautical pallet
• aeronautical product
• aeronautical prototype
• aeronautical radionavigation service
• aeronautical station
• aeronautical telecommunications network
• aeronautical topographic chart
• aeronautics
• aeronomy
• aeronotificação
• aeroplane
• aeroplane envelope
• aeroplane flight manual
• aerospace vehicle
• aerostat
• aerostatics
• aerostation
• aerothermodynamic duct (athodyd)
• affirmative
• AFIS
• afis [POR]
• after passing
• after top center
• afterburner
• afterburning
• aftercooler
• again
• aggregate
• aggregate annual amount of fuel burned
• aging
• agonic line
• agravic
• aid to air navigation
• aid to navigation
• aileron
• aileron angle
• aileron cables
• aileron droop
• aileron up-float
• ailerons
• AIP amendment
• air-breathing engine
• air-compressor intake throttle
• air-conditioning system
• air-conditioning unit
• air-ground communication
• air-intake casing
• air-intake oil cooler
• air-minded
• air-report
• air-to-air
• air-to-air missile
• air-to-ground
• air-to-ground communications
• air-to-ground missile
• air-to-surface missile
• air-transiting
• air base
• air bleed
• air brake
• air brake handle
• air brakes
• air breakes
• air cargo
• air cargo (without mail)
• air carrier
• air carrier capacity
• air carrier certificate
• air compressor intake throttle
• air control centre
• air course
• air cushion vehicle
• air data computer
• air defense identification zone
• air density
• air discharge valve
• air express
• air filed flight plan
• air filter
• air frame
• air freedoms
• air freight
• air freight forwarder
• air freight priority
• air inlet
• air inlet duct
• air jet
• air launch
• air manifest of cargo
• air marker
• air mass
• air mass thunderstorm
• air mechanic
• air mileage indicator
• air navigation aid
• air navigation bureau
• air navigation commission
• air navigation facility
• air operator certificate
• air position indicator
• air route surveillance radar
• air route traffic control center
• air scoop
• air sickness
• air side
• air space
• air speed
• air start unit
• air strip
• air taxi
• air ticket
• air traffic
• air traffic clearance
• air traffic control
• air traffic control centre
• air traffic control clearance
• air traffic control officer
• air traffic control surveillance minimum altitude chart
• air traffic control tower
• air traffic flow management
• air traffic incident
• air traffic service
• air traffic services interfacility data communications
• air transit route
• air transport agreement
• air transportation
• air travel ticket
• air turbine motor
• air volume
• air waybill
• airbag system
• airblast atomizer
• airborne
• airborne collision avoidance system
• airborne early warning
• airborne time
• airborne waring and control
• aircraft
• aircraft-category
• aircraft accident
• aircraft address
• aircraft altitude
• aircraft approach category
• aircraft approach limitation
• aircraft autonomous integrity monitoring
• aircraft based augmentation system
• aircraft boarding staircase
• aircraft call sign
• aircraft classification number
• aircraft climb corridor
• aircraft communications addressing and reporting system
• aircraft container
• aircraft crew member
• aircraft dinghy
• aircraft dispatcher
• aircraft earth station
• aircraft engine
• aircraft external lights
• aircraft flight manual
• aircraft gas turbine engine
• aircraft gross weight
• aircraft identification
• aircraft in distress
• aircraft interchange data system
• aircraft jacking
• aircraft maintenance truck
• aircraft marshaller
• aircraft observation
• aircraft operator manual
• aircraft pallet net
• aircraft parking/docking chart
• aircraft pitch
• aircraft security check
• aircraft situational display to industry
• aircraft turbine engine
• aircrew equipment assembly
• airfield capacity model
• airflow
• airflow in forward flight
• airfoil
• airfoil profile
• airfoil section
• airframe
• airlift
• airline
• airline of a party
• airline pilot
• airmail
• airman
• airman's meteorological information
• airmanship
• airmanship skills
• airpass
• airplane
• airplane envelope
• airport
• airport acceptance rate
• airport operator
• airport reference point
• airport slot
• airport surface detection equipment
• airport surveillance radar
• airport system
• airscrew
• airship
• airshow
• airside
• airspace
• airspeed
• airspeed indicator
• airway
• airworthiness certificate
• airworthiness directive
• airworthiness limitations
• airworthy
• ajustagem do altímetro [POR]
• albedo
• albedograph
• albedometer
• alert area
• alert phase
• alerting service
• alfa
• alight
• alighting
• all-cargo aircraft
• all-directional patch
• all-purpose structured eurocontrol surveillance data information exchange
• all moving tail
• all up weight
• allowable engine operating time
• alternate
• alternate aerodrome
• alternate airport
• alternating
• alternator
• altimeter
• altimeter check location
• altimeter setting
• altimetry
• altitude
• altitude acclimatization
• altitude chamber
• altitude deviation
• altitude engine
• altitude indicator
• altitude sickness
• altocumulus
• altocumulus cloud
• altostratus
• amber
• ambient
• ambient pressure
• ambient temperature
• ambulift
• amended meteorological message
• ammeter
• ampere
• amperimeter
• amphibian
• amphibians
• amplidyne
• amplifier
• amplitude
• ancillary equipment
• anemometer
• anemoscope
• aneroid
• angle
• angle dihedral
• angle of approach indicator
• angle of attack
• angle of attack boundary
• angle of attack indicator
• angle of climb
• 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
• angular accelerometer
• angular velocity
• anisotropic
• annoyance noise level
• annular combustion chamber
• annunciator
• antenna
• antenna mast
• antenna pair
• anti-ice
• anti-ice bleed
• anti-icing
• anti-rolling wire
• anti-skid inoperative
• anti-skid system
• anti-torque rotor
• anti-yaw aileron
• anticollision light
• anticyclone
• antitorque
• antitorque system failure
• anvil
• anvil cloud
• apex
• approach
• approach area
• approach control
• approach control office
• approach control radar
• approach control service
• approach idling conditions
• approach light system
• approach lighting system
• approach lighting system with sequenced flashing lights configuration 1
• approach lighting system with sequenced flashing lights configuration 2
• approach procedure with vertical guidance
• approach sequence
• approach slope
• approach surface
• approach to stall
• approved
• apron
• aquaplaning
• aquaplaning limit
• area chart
• area control center
• area forecast
• area minimum altitude
• area navigation
• armed forces
• arrival
• arrival report
• arrival time
• arrivals
• arrow engine
• articulated rotor
• articulated rotor system
• artificial horizon
• artificial stall warning
• ascend to
• ascending to
• ash content
• aspect ratio
• asphalt
• assembly
• assigned altitude deviation
• assisted take-off
• ATC clearance
• athwartships
• ATM community
• atmosphere
• atmospheric absorption
• atmospheric electricity
• atmospheric pressure
• atomic clock
• attention
• attitude
• attitude indicator
• attitude relative to the ground
• audio panel
• authorization
• authorized
• auto-brake
• auto-stabilizer
• autoclave
• autoclave casting
• autogyro
• autogyro rotorcraft
• automated data interchange system
• automated terminal information service
• automatic altitude reporting
• automatic control
• automatic cut-out valve
• automatic dependent surveillance
• automatic dependent surveillance - addressable
• automatic dependent surveillance - broadcast
• automatic dependent surveillance - contract
• automatic dependent surveillance unit
• automatic direction finder
• automatic flare
• automatic flight control system
• automatic mixture control
• automatic parachute
• automatic picture-transmission system
• automatic pilot
• automatic press
• automatic radio direction finder
• automatic takeoff thrust control system
• automatic terminal information system
• autonomous aircraft
• autopilot
• autorotation
• autothrottle
• auxiliary
• auxiliary fuel pump
• auxiliary landing gear
• auxiliary power unit
• auxiliary rotor
• auxiliary tank
• availability
• available
• avcat
• average burn rate
• avgas
• aviation
• aviation carrier turbine
• aviation gasoline
• aviation routine weather report
• aviation turbine gasoline
• avionics
• avtag
• avtur
• axes
• axial-flow compressor
• axial-flow turbine
• axial compressor
• axial engine
• axial girder
• axial winding
• axial wire
• azimuth