1 | 4X | F'Airlines B.V. | ICAO: FLS, Callsign: Fairline, Designator 4X recalled by IATA | NL | AVCODES |
2 | 4X | Atlantic Express Airlines | ICAO: JLM, Callsign: Atlantic Express, Commenced operation on 16 December 2004. Ceased operations | WAG | AVCODES |
3 | 4X | Mercury Air Cargo, Inc. d/b/a Air Mercury | ICAO: MEC, Callsign: Mercair, IATA Prefix: 805, IATA designator changed from BX* | USA | AVCODES |