| 1 | 4J | Transaero Airlines | ICAO: TSO, IATA designator changed to UN | RUS | AVCODES |
| 2 | 4J | Nationwide Airlines (Zambia) Ltd. | ICAO: NWZ, Callsign: Zamnat, Designator 4J* reinstated by IATA. Founded in 1991 | Z | AVCODES |
| 3 | 4J | London Flight Centre (Stansted) Ltd. d/b/a Love Air | ICAO: LOV, Callsign: Loveair, Ceased operations during April 2000. IATA desigantor changed from L2 | GB | AVCODES |
| 4 | 4J | Aircompany Somon Air LLC | ICAO: SMR, Callsign: Somon Air, IATA designator changed to SZ. | TJ | AVCODES |
| 5 | 4J | United Caribbean Airlines B.V. | ICAO: UCB, Callsign: Eagle Eye, Name changed to United Caribbean Airlines B.V. d/b/a JetAir Caribbean. | CUR | AVCODES |
| 6 | 4J | Flydamas Airlines | ICAO: FDK, Callsign: Damavia, | SYR | AVCODES |
| 7 | 4J | Jetair Caribbean B.V. | ICAO: JRC, | CUR | AVCODES |
| 8 | 4J | United Caribbean Airlines B.V. d/b/a JetAir Caribbean | ICAO: UCB, Callsign: Eagle Eye, Name changed to Jetair Caribbean B.V. ICAO Designator changed to JRC. Name changed from United Caribbean Airlines B.V. | CUR | AVCODES |
