Showing 394 registered airlines with a combined fleet of 1,328 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Jetstream Executive Travel | JXT | 0 |
| Jigsaw Project | JSW | 0 |
| JMC Airlines | JMC | 0 |
| Jota Aviation | ENZ | 0 |
| Jubilee Airways | DKE | 1 |
| Keenair Charter - | JFK | 0 |
| King Aviation | KNG | 0 |
| Kinloss Flying Training Unit | KIN | 0 |
| Krystel Air Charter | OPC | 0 |
| Langtry Flying Group | PAP | 0 |