| 1 | F2 | Falcon Air Express, Inc. | ICAO: FAO, Callsign: Panther, IATA designator changed to 6F*. | USA | AVCODES |
| 2 | F2 | Southern Independent Air Company (UNA) | Designator F2 recalled by IATA | UA | AVCODES |
| 3 | F2 | Fly Havayolu Tasimacilik A.S. | ICAO: FLM, Callsign: Fly World, Established and commenced operations in 2002. Ceased operation in January 2007. | TR | AVCODES |
| 4 | F2 | Omega Air Holdings LLC dba Focus Air | ICAO: FKS, | USA | AVCODES |
| 5 | F2 | Aerolineas Regionales, S.A. de C.V. | ICAO: RCQ, IATA Prefix: 720, Designator F2 recalled by IATA | MEX | AVCODES |
| 6 | F2 | Safarilink Aviation Limited | ICAO: XLK, Callsign: Safarilink, | EAK | AVCODES |
