| Abbreviation | Definition |
|---|---|
| COC | Certificate Of Conformity |
| COD | Carrier Onboard Delivery |
| COFAA | Committee on Fighter Aircraft Accidents (India) |
| COLL | Collision |
| COMAT | Company Materials |
| COMIS | Component Monitoring Information System |
| COMM | Communication |
| COMP | Compass |
| COMPAS | Airline's Time and Attendance System |
| COMPASS | Condition Monitoring and Performance Analysis Software System |
| CONA | Centennial of Naval Aviation |
| CONV | Converter |
| CORSIA | Carbon Offsetting and Reduction Scheme for International Aviation |
| COSCA | Commissioner Of Security Civil Aviation |
| CPACS | Common Parametric Aircraft Configuration Schema |
| CPAM | College Park Aviation Museum |
| CPC | Corrosion Preventive Compound |
| CPCS | Cabin Pressure Control System |
| CPDS | Critical Power Distribution System |
| CPFN | Control Pressure Fuel Nozzle |