Showing 394 registered airlines with a combined fleet of 1,324 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Diplomatic Freight Services | DIP | 0 |
| Direct Flight | DCT | 0 |
| Donair Flying Club | DON | 0 |
| Dreamcatcher Airways | DCA | 0 |
| Duchess of Britany (Jersey) Limited | DBJ | 0 |
| Duo Airways | DUO | 0 |
| Eagle Aviation | GYP | 0 |
| East Midlands Helicopters | CTK | 2 |
| Eastern Air Executive | EAX | 0 |
| Eastern Airways | EZE / T3 | 8 |