C
- cabin
- cabin altitude
- cabin baggage
- cabin class
- cabin compartment
- cabin component
- cabin crew
- cabin section
- cabin supercharger
- cabin type
- cabotage
- calendar of coordination activities
- calibrated air speed
- calibrated airspeed
- calibrated altitude
- calibration
- california bearing ratio
- call sign
- callsign
- calm
- camber
- camber line
- camshaft
- canard
- canard airplane
- canard configuration
- candela
- canopy
- cantilever
- cantilever beam
- cantilever wing
- captain
- captive
- captive balloon
- captive gas balloon
- carburetor
- carburettor
- cardiac arrest
- cardiac failure
- cardiopulmonary resuscitation
- cargo aeroplane
- cargo aircraft
- cargo aircraft only
- cargo area
- cargo compartment
- cargo door
- cargo flight
- cargo handling
- cargo handling equipment
- cargo hold
- cargo manifest
- cargo throughput
- cargo trailer
- carriage by air
- carrier
- carry-on baggage
- cartridge starter
- category
- category A
- category B
- catering
- catering stores
- catering supplies
- catering trolley
- catering trolley [POR]
- catering truck
- catering vehicle
- caution
- cavitation
- ceiling
- ceiling balloon
- ceilometer
- center girder
- center line
- center of gravity
- center of gravity limits
- center of lift
- center of pressure
- center section
- centerline
- central forecasting office
- centre-point mooring
- centre-point pennant
- centre-point rigging
- centre line
- centre line of the runway
- centreline
- centrifugal clutch
- centrifugal compressor
- centrifugal force
- centrifugal twisting
- centripetal force
- certificate of airworthiness
- certificate of registration
- certificate of registration of aircraft
- certification
- certified aerodrome
- chandelle
- change-over point
- change of gauge en route
- changeover point
- channel wing
- charlie
- charter flight
- check-in
- check-in process
- check flight
- check ride
- checked baggage
- checked maneuver
- checklist
- checkout flight
- checkpoint
- checkride
- chevron marking
- child
- chinook wind
- chock
- chock to chock time
- choking
- chord
- circadian cycle
- circadian desynchronization
- circadian resynchronization
- circadian rhythm
- circle-to-land
- circle-to-land maneuver
- circling approach
- circling approach area
- circling guidance light(s)
- circling guidance lights
- cirrocumulus
- cirrostratus
- cirrus
- civil aerodrome
- civil aircraft
- civil aviation authority
- class (1)
- class (2)
- clean configuration
- clear air turbulence
- clear type of ice formation
- clear zone
- clearance
- clearance delivery
- clearance limit
- clearway
- cliff winching
- climatic index
- climatological front
- climb
- climb angle
- climb gradient
- climb indicator
- climb performance
- climb rate
- climb speed
- climbing shaft
- closed fracture
- closed marking
- cloud
- cloud amount
- cloud and visibility OK
- cloud bank
- cloud bar
- cloud base
- cloud ceiling
- cloud cover
- cloud dispersal
- cloud dissipation
- cloud sheet
- cloud top
- cloudburst
- cloudy
- co-pilot
- coarse pitch
- cockpit
- cockpit canopy
- cockpit resource management
- cockpit voice recorder
- code-sharing
- code sharing
- coefficient of friction
- coefficient of lift
- coffin corner
- coherent radar
- cold-front thunderstorm
- cold advection
- cold front
- cold front thunderstorm
- cold section
- collision avoidence system
- collision hazard
- collision risk model
- combination aircraft
- combined vision system
- command and control link
- command post
- commercial aeroplane
- commercial aircraft engine
- commercial aircraft gas turbine engine
- commercial aviation
- commercial pilot
- common ICAO data interchange network
- common mark
- common mark registering authority
- compass deviation
- competency
- competency-based training
- competency element
- competency unit
- composite
- compound aircraft
- compound centrifugal force
- compound fracture
- compound turbine engine
- compressed-air starter
- compressor rotor
- compressor stall
- comprimento básico de pista de aeronave
- concourse
- condensation trail
- configuration deviation list
- confined area
- confined space
- confined winch area
- conflict
- conical camber
- connecting flight
- connecting rod
- connection
- consignment
- consolidated cargo
- constant-level balloon
- constant-pressure balloon
- constant-speed propeller
- constant volume turbine
- contact approach
- container trailer
- contaminant
- contaminated runway
- contingency rating
- continuing airworthiness
- continuous climb operations
- continuous descent operations
- continuous monitoring approach
- continuous wave
- contour
- contracting state
- control area
- control car
- control display unit
- control lock
- control panel
- control pressure
- control rod
- control surface angle
- control tower
- control zone
- controllability
- controllable-pitch propeller
- controlled aerodrome
- controlled airspace
- controlled flight into terrain
- controller-pilot data link communications
- convection
- convective activity
- convective thunderstorm
- Convention on International Civil Aviation
- convertible helicopter
- convertiplane
- convulsion
- convulsive seizure
- coordinated airport
- coordinated flight
- coordinated turn
- coordinated universal time
- coordination
- coordination parameters
- coriolis effect
- coriolis force
- coriolis illusion
- corporate resource management
- Cospas-Sarsat System
- counterterrorism
- coupled-engine power unit
- course
- course deviation
- course deviation indicator
- cowl flap
- cowling
- crab angle
- crack
- crash landing
- crashworthiness
- crew
- crew baggage
- crew member
- crew resource management
- crewmember
- critical altitude
- critical angle of attack
- critical elements
- critical engine
- critical incident
- critical power-unit
- crop dusting
- cross-bar
- cross-check
- cross-country flight
- cross-feed
- cross bar
- crossbar
- crossfall
- crossfeed
- crosswind
- crosswind component
- crosswind force
- crosswind landing
- crosswind leg
- crosswind takeoff
- cruise
- cruise altitude
- cruise climb
- cruise flight
- cruise speed
- cruising altitude
- cruising flight
- cruising level
- cruising speed
- cuban eight
- cumulative temperature
- cumuliform
- cumulus
- cumulusnimbus
- cup anemometer
- customs
- cyclic feathering
- cyclic pitch control
- cyclic redundancy check
- cyclone
- cyclonic storm