C
- cab
- cabin
- cabin altitude
- cabin baggage
- cabin compartment
- cabin crew
- cabin safety
- cable angle indicator
- cabotage
- calendar of coordination activities
- calibrated airspeed
- calibration
- california bearing ratio
- call sign
- camber
- canard
- canard airplane
- candela
- canopy
- cantilever
- cantilever beam
- cantilever wing
- captain
- captive balloon
- captive gas balloon
- característica IDENT
- carburetor
- carburetor ice
- carburettor
- cardiac arrest
- cardiac failure
- cardiopulmonary resuscitation
- cargo
- cargo aeroplane
- cargo aircraft
- cargo area
- cargo compartment
- cargo door
- cargo flight
- cargo handling
- cargo manifest
- carriage by air
- carry-on baggage
- category
- category A
- category B
- catering
- catering stores
- catering trolley
- catering truck
- catering vehicle
- caution
- cavitation
- ceiling
- ceiling balloon
- ceilometer
- center line
- center of gravity
- center of lift
- center of pressure
- center section
- centerline
- centerline fix
- central forecasting office
- centre line
- centre line of the runway
- centreline
- centrifugal compressor
- centrifugal force
- certificado médico
- certificate of airworthiness
- certificate of registration
- certificate of registration of aircraft
- certification
- certified aerodrome
- change-over point
- changeover point
- check-in
- check flight
- check ride
- checked baggage
- checked maneuver
- checklist
- checkout flight
- chinook wind
- chock to chock time
- chord
- chord line
- circadian cycle
- circadian desynchronization
- circadian resynchronization
- circadian rhythm
- circle-to-land maneuver
- circling approach
- circling guidance lights
- cirrocúmulo
- cirrocumulus
- cirros
- cirrostrato [POR]
- cirrostratus
- cirrus
- cirrustratus [POR]
- civil aerodrome
- civil aircraft
- civil aviation authority
- ckearance
- class
- clear air turbulence
- clear zone
- clearance
- clearance delivery
- clearance limit
- clearance void time
- clearway
- climatic index
- climatological front
- climb
- climb angle
- climb gradient
- climb indicator
- climb performance
- climb rate
- climb speed
- climbout
- clinometer
- clinoscope
- clipped wing
- closed-circuit flight
- closed fracture
- cloud
- cloud bank
- cloud bar
- cloud base
- cloud ceiling
- cloud dispersal
- cloud dissipation
- cloud of operational significance
- cloud seeding
- cloud sheet
- cloud top
- cloudburst
- cloudy
- co-pilot
- cockpit
- cockpit canopy
- cockpit check list
- cockpit checklist
- cockpit resource management
- cockpit voice recorder
- code-sharing
- code sharing
- coefficient of friction
- coefficient of lift
- coffin corner
- cold-front thunderstorm
- cold front
- cold front thunderstorm
- collective
- collective pitch angle
- collective pitch control
- collision avoidance system
- collision hazard
- collision risk model
- combi
- combination aircraft
- combined vision system
- command and control link
- command post
- commercial aeroplane
- commercial air transport operation
- commercial aviation
- commercial pilot
- commercial pilot-aiplane
- commercial pilot - rotorcraft/helicopter
- common mark
- common mark registering authority
- commuter aircraft
- comparable ground-based system
- composite
- compound fracture
- concourse
- condensation trail
- configuration deviation list
- confined
- confined space
- conld-front thunderstorm
- connecting flight
- connective thunderstorm
- consignment
- constant-level balloon
- constant-pressure balloon
- constant-speed propeller
- constant volume turbine
- contaminant
- contaminated runway
- contracting state
- control area
- control car
- control configured vehicle
- control surface angle
- control tower
- controllability
- controlled aerodrome
- controlled airspace
- controlled flight into terrain
- controller-pilot data link communications
- convective activity
- convective thunderstorm
- Convention on International Civil Aviation
- conversion
- convertible aircraft
- convertiplane
- convulsion
- convulsive seizure
- coordinated airport
- coordinated universal time
- coordination
- Coordination Committee
- coordination parameters
- coordinator
- corporate aviation
- corporate resource management
- corrected meteorological message
- Cospas-Sarsat System
- counter-rotating rotor
- counterflow burner
- counterterrorism
- coupled-engine power unit
- course
- course deviation indicator
- cowl flap
- cowling
- crab angle
- crack
- craft
- crash landing
- crashworthiness
- crew
- crew member
- crew resource management
- critical altitude
- critical angle of attack
- critical elements
- critical engine
- critical incident
- critical power-unit
- crop dusting
- cross-bar
- cross-check
- cross bar
- crossbar of lights
- crosswind
- crosswind component
- crosswind landing
- crosswind leg
- cruise
- cruise altitude
- cruise climb
- cruise flight
- cruise speed
- cruising altitude
- cruising flight
- cruising level
- cruising speed
- crusing level
- cumulative temperature
- cumulus
- cumulusnimbus
- cup anemometer
- curfew
- customs
- cyclic pitch control
- cyclic redundancy check
- cyclone
- cyclonic storm