- C of A
Certificate of Airworthiness
- C of R
Certificate of Registration
- C/I
Counterindemnity Agreement (BSP)
- CAA
Civil Aviation Authority
- CAA
Civil Aviation Authority
- CAAC
Civil Aviation Administration of China
- CAConf
Cargo Conference
- CAI
Caution Annunciator Indicator
- CANSO
Civil Air Navigation Services Organisation
- CAPPS II
Computer Assisted Passenger Pre- screening System
- CAS
Calibrated Airspeed
- CASE
Computer Aided Software Engineering
- CAT
Clear Air Turbulence
- CAT 1,2,3
Categories defined by ICAO for bad weather landings
- CAT I
Operational performance Category 1
- CAT II
Operational performance Category II
- CAT IIIa
Operational performance Category IIIa
- CAT IIIb
Operational performance Category IIIb
- CAT IIIc
Operational performance Category IIIc
- CATB
Cargo Agency Training Board
- CBP
Customs and Border Protection
- CBPP
Cargo Business Processes Panel
- CBT
Computer Based Training
- CDA
Continuous Descent Approach
- CDI
Course Deviation Indicator
- CFIT
Controlled Flight Into Terrain
- CFIT
Controlled Flight Into Terrain
- CFIT
Controlled Flight Into Terrain
- CFMU
Central Flow Management Unit
- CG
Center of Gravity
- CITES
Convention on International Trade in Endangered Species of Wild Fauna and Flora
- CMV
Converted Meteorological Visibility
- CNS
Communication, Navigation, Surveillance
- CNS
Communications
- CNS/ATM
Communication, Navigation, Surveillance/Air Traffic Management
- CNSC
Cargo Network Services Corporation (wholly owned subsidiary of IATA)
- CODEC
Coder/Decoder
- COMM or COM
Communications Receiver
- CPDLC
Controller Pilot Data Link Communications
- CPDLC
Controller-Pilot Data Link Communication
- CPS
Cycles Per Second
- CRS
Computer Reservations System
- CRT
Cathode Ray Tube
- CTAF
Common Traffic Advisory Frequency
- CTAF
Common Traffic Advisory Frequency
- CUSS
Common Use Self-Service
- CUTE
Common User Terminal Equipment
- CV/DFDR
Cockpit Voice and Digital Flight Data Recorder
- CVR
Cockpit Voice Recorder
- CVR
Cockpit Voice Recorder
- CVR
Cockpit Voice Recorder
- CWS
Control Wheel Steering
- Cargo-IMP
Cargo Interchange Message Procedures