Showing 394 registered airlines with a combined fleet of 1,324 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Comed Group | CDE | 0 |
| Commair Aviation | CMH | 0 |
| Compass International Airways | CPS | 0 |
| Coningsby Flying Training Unit | CBY | 0 |
| Cooper Aerial Surveys | SVY | 0 |
| Costa Airlines | COT | 0 |
| Coulson Flying Service | MGB | 0 |
| Coyne Aviation | COY / 7C | 0 |
| Cranfield University | CFD | 1 |
| Cranwell Flying Training Unit | CWL | 0 |