| 4501 | FMXQ | FLEMING TRANSPORT INC | | | SCAC4 |
| 4502 | FMXR | FAMOUS EXPRESS INC | | | SCAC3 |
| 4503 | FMXR | FOUR (4) M EXPRESS | | | SCAC4 |
| 4504 | FMXS | FREEDOM EXPRESS INC | | | SCAC3 |
| 4505 | FMXS | FREEDOM EXPRESS INC | | | SCAC4 |
| 4506 | FMXT | FARMINGTON TRANSPORT | | | SCAC4 |
| 4507 | FMXV | FRUVEMEX MEXICALI SA DE CV | | | SCAC4 |
| 4508 | FMXZ | FLEXI-VAN LEASING INC | | | SCAC4 |
| 4509 | FMY | Aviation Legere de L'armee de Terre | Callsign: French Army, | F | AVCODES |
| 4510 | FMYA | FAMILY RELOCATION (AGENT FOR WHEATO | | | SCAC4 |
| 4511 | FMYE | FR MEYERS SOHN | | | SCAC4 |
| 4512 | FMYI | FREIGHT MONKEYS INC | | | SCAC4 |
| 4513 | FMYT | FAMILY TRANSPORT CO LLC | | | SCAC4 |
| 4514 | FMYW | FOLEGANDROS MARITIME COMPANY | | | SCAC4 |
| 4515 | FMYX | F.M. Yorke & Son, Ltd. | 1/1950 (not listed); 1/1952-1/1975; eliminated 4/1977 | | NAKINA |
| 4516 | FMYX | F.M. Yorke & Son, Ltd. | 1/52-1/75 | | NRHS |
| 4517 | FMYX | F.M. YORKE & SON, LTD. | | | PWRC |
| 4518 | FMYX | YORKE & SON LTD F M | | | SCAC3 |
| 4519 | FMZN | FLETES MANZANA S A DE C V | | | SCAC4 |
| 4520 | FN | Regional Air Lines | ICAO: RGL, Callsign: Maroc Regional, IATA Prefix: 259, | MA | AVCODES |
| 4521 | FN | TEA France | ICAO: TFR, Callsign: Transairways, Ceased operations on 27 September 1991. | F | AVCODES |
| 4522 | FN | Falcon Jet Centre | ICAO: FJC, Callsign: Falconjet, Designator FN recalled by IATA | GB | AVCODES |
| 4523 | FN | Flota Aerea Nicaraguense, S.A. | Callsign: Fansa, | NIC | AVCODES |
| 4524 | FN | Fly 540 Tanzania Ltd | ICAO: FTZ, Callsign: Grey Bird, Name changed to Fastjet Airlines Limited. | EAT | AVCODES |
| 4525 | FN | fastjet Airlines Limited. | ICAO: FTZ, Callsign: Grey Bird, Name changed from Fly 540 Tanzania Ltd. Founded in 2011. Commenced operations on 29 November 2012. | EAT | AVCODES |
| 4526 | FN | fastjet Zimbabwe Limited | ICAO: FJW, Callsign: Zimbird, | ZW | AVCODES |
| 4527 | FNA | Air Iceland (Flugfelag Islands) | IATA: NY, IATA Prefix: 882, Name changed from Air Iceland | IS | AVCODES |
| 4528 | FNA | Air Iceland | IATA: NY, IATA Prefix: 882, Name changed to Air Iceland (Flugfelag Islands) | IS | AVCODES |
| 4529 | FNA | Flugfelag Nordurlands | Callsign: Norland, Desigantor NO recalled by IATA | IS | AVCODES |
| 4530 | FNA | Fennec | Callsign: Fennec, | RN | AVCODES |
| 4531 | FNA | Flugfelag Nordurlands | IATA: NO, Callsign: Norland, Desigantor NO recalled by IATA | IS | AVCODES |
| 4532 | FNA | Norlandair | | IS | AVCODES |
| 4533 | FNAI | FREEMAN NORTH AMERICAN INC | | | SCAC3 |
| 4534 | FNAL | FANALE TRUCKING | | | SCAC3 |
| 4535 | FNAM | FOCUS NORTH AMERICA INC | | | SCAC4 |
| 4536 | FNAN | FOCUS NORTH AMERICA TRANSPORTATION | | | SCAC4 |
| 4537 | FNAT | F & A TRANSPORT SYSTEMS CO | | | SCAC3 |
| 4538 | FNAV | FREEPORT NAVIGATION CO LTD | | | SCAC3 |
| 4539 | FNAX | Ferrellgas, L.P. | 7/2000-7/2005 (not listed) | | NAKINA |
| 4540 | FNAX | Ferrellgas, L.P. | Jul-00 | | NRHS |
| 4541 | FNAX | FERRELLGAS LP | | | PWRC |
| 4542 | FNAX | Ferrellgas LLP | | | RSRV |
| 4543 | FNAX | FERRELLGAS LP | | | SCAC4 |
| 4544 | FNB | FNA | | IL | AVCODES |
| 4545 | FNBC | FNB TRANSPORT LLC | | | SCAC4 |
| 4546 | FNBE | FINBETA SPA | | | SCAC4 |
| 4547 | FNBK | F & B TRUCKING | | | SCAC3 |
| 4548 | FNBL | FIVE ZERO ZERO FIVE ONE SIX (500516 | | | SCAC4 |
| 4549 | FNBL | Falconbridge Limited | | USA | TRAFFIC |
| 4550 | FNBO | FISHER & BROTHER | | | SCAC3 |
| 4551 | FNBS | F & N BUS SERVICE INC | | | SCAC3 |
| 4552 | FNBS | FERGUSON, T M LLC | | | SCAC4 |
| 4553 | FNBT | FLYING Z TRUCKING | | | SCAC4 |
| 4554 | FNBU | FLORENS ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
| 4555 | FNC | Finalair Congo | IATA: 4S, Callsign: Finalair Congo, IATA Prefix: 122, | ZRE | AVCODES |
| 4556 | FNC | Finalair Congo | IATA: 4S | | ICAO1 |
| 4557 | FNCA | FRANCIS AUTO INC | | | SCAC3 |
| 4558 | FNCC | FANUCCHI, TONY G | | | SCAC3 |
| 4559 | FNCH | FINCH DISTRIBUTION SYSTEMS | | | SCAC3 |
| 4560 | FNCH | FINCH DISTRIBUTION SYSTEMS | | | SCAC4 |
| 4561 | FNCI | FINOCCHIARO INC | | | SCAC3 |
| 4562 | FNCK | F & C TRUCKING INC | | | SCAC3 |
| 4563 | FNCL | FREEWAY NAVIGATION CO. LTD. | | | SCAC3 |
| 4564 | FNCO | F & C TRANSFER CO INC | | | SCAC3 |
| 4565 | FNCO | FRANCO TRUCKING INC | | | SCAC4 |
| 4566 | FNCP | FTC ENTERPRISES LLC | | | SCAC4 |
| 4567 | FNCQ | FASTLANE COURIER LLC | | | SCAC4 |
| 4568 | FNCS | FIRST NATIONAL COURIER SYSTEMS INC | | | SCAC3 |
| 4569 | FNCW | FOUNDATION COMPANY LIMITED | | | SCAC4 |
| 4570 | FNCY | FETCH N CARRY TRUCKING | | | SCAC3 |
| 4571 | FNDC | FONDREN CORPORATION | | | SCAC3 |
| 4572 | FNDC | FONDREN I E N E | | | SCAC4 |
| 4573 | FNDE | FINDLEY, ERVIN INC | | | SCAC3 |
| 4574 | FNDE | FUNDIDORA EL MENY | | | SCAC4 |
| 4575 | FNDG | FERNDALE GRAIN CO | | | SCAC3 |
| 4576 | FNDG | FRAN TRANSPORT & OIL | | | SCAC4 |
| 4577 | FNDH | FINDLAY SHIPPING CORP | | | SCAC4 |
| 4578 | FNDK | FINDLEY TRUCKING INC | | | SCAC4 |
| 4579 | FNDL | FANDRICK, LARRY | | | SCAC3 |
| 4580 | FNDL | FINDLEY, THADDEUS H | | | SCAC4 |
| 4581 | FNDM | Ferrocarriles Nacionales de México | Real: FNM | MEX | TRAFFIC |
| 4582 | FNDN | FRIENDLY MESSENGER SERVICE | | | SCAC4 |
| 4583 | FNDO | FINDLEY, GEORGE I | | | SCAC3 |
| 4584 | FNDO | FINDLEY, GEORGE | | | SCAC4 |
| 4585 | FNDS | FERNANDES TRUCKING | | | SCAC3 |
| 4586 | FNDS | FERNANDES TRUCKING | | | SCAC4 |
| 4587 | FNDT | FOOTE & DAVIES TRANSPORT CO | | | SCAC3 |
| 4588 | FNE | Farnair Europe B.V. | Callsign: Farnair Europe, | NL | AVCODES |
| 4589 | FNE | TFM, S.A. de C.V. | added 10/1997; eliminated 4/1999; 7/2000-7/2005 | | NAKINA |
| 4590 | FNE | Ferrocarriles Nacionales de Mexico | added 4/1996; eliminated 10/1997 | | NAKINA |
| 4591 | FNE | Ferrocarriles Nacionales de Mexico | added 4/96; eliminated 10/97 | | NRHS |
| 4592 | FNE | TFM, S.A. de C.V. | added 10/97; eliminated 4/99; 7/2000 | | NRHS |
| 4593 | FNE | TFM, SA DE CV [FERROCARRILES NACIONALES DE MEXICO] | | | PWRC |
| 4594 | FNE | Ferrocarriles Nacionales de Mexico | | | RSRV |
| 4595 | FNEC | FINEST TRUCKING CORP | | | SCAC4 |
| 4596 | FNEI | F & E TRANSPORTATION INC | | | SCAC3 |
| 4597 | FNEI | FINNISS, EARL | | | SCAC4 |
| 4598 | FNEL | FEDUN, NEIL | | | SCAC3 |
| 4599 | FNEL | FEDUN, NEIL | | | SCAC4 |
| 4600 | FNEQ | FINNERTY EQUIPMENT | | | SCAC3 |
