| 501 | FAV | Fair Aviation | | | ICAO1 |
| 502 | FAVE | FAVELA, JUAN M | | | SCAC4 |
| 503 | FAVI | FAIRVIEW INC | | | SCAC3 |
| 504 | FAVL | FIFTH AVENUE LIMOUSINE SERVICE | | | SCAC3 |
| 505 | FAVM | FAIRVIEW MOVING AND STORAGE COMPANY | | | SCAC3 |
| 506 | FAVN | FIRST AMERICAN VAN LINES INC | | | SCAC3 |
| 507 | FAVU | JSC INFOTECH-BALTIKA-M | | RUS | BIC |
| 508 | FAVW | FAVERSHAM WORLD TRAVEL | | | SCAC3 |
| 509 | FAW | Falwell Aviation, Inc. | Callsign: Falwell, | USA | AVCODES |
| 510 | FAW | Falwell Aviation | | | ICAO1 |
| 511 | FAWC | FAR-WEST CO | | | SCAC3 |
| 512 | FAWF | FENTON, A W | | | SCAC3 |
| 513 | FAWH | FARNSWORTH TRUCKING | | | SCAC3 |
| 514 | FAWI | FACILITY WAREHOUSE INC | | | SCAC3 |
| 515 | FAWM | FAR AND WIDE MOVING LLC | | | SCAC4 |
| 516 | FAWO | FAST WAY FREIGHT SYSTEMS INC | | | SCAC3 |
| 517 | FAWP | FAWGEL EXPRESS INC | | | SCAC3 |
| 518 | FAWQ | F & W TRUCKING | | | SCAC3 |
| 519 | FAWR | FARNSWORTH, EARL EXPRESS | | | SCAC3 |
| 520 | FAWT | F W TRANSPORTS INC | | | SCAC3 |
| 521 | FAWW | FANE, WARREN W INC | | | SCAC3 |
| 522 | FAWW | FANE, WARREN W INC | | | SCAC4 |
| 523 | FAWY | FAST WAY, INC | | | SCAC3 |
| 524 | FAWY | FAST WAY FREIGHT SYSTEM INC | | | SCAC4 |
| 525 | FAX | Midwest Air Freighters | Callsign: Fairfax, | USA | AVCODES |
| 526 | FAX | Midwest Air Freighters | | | ICAO1 |
| 527 | FAX | Freeport Asphalt Co. | 7/1923 | | NAKINA |
| 528 | FAX | FREEPORT ASPHALT CO. | | | PWRC |
| 529 | FAX | Fresno Area Express | | US-CA | TRAFFIC |
| 530 | FAXN | FAXON CO | | | SCAC3 |
| 531 | FAXP | FAIRBANKS EXPRESS, INC | | | SCAC3 |
| 532 | FAXQ | FARMERS EXPRESS INC | | | SCAC3 |
| 533 | FAXX | B.R.S. Cartage, Inc. | added 7/2006; eliminated 10/2007 | | NAKINA |
| 534 | FAXX | *B. R. S. CARTAGE, INC. | | | PWRC |
| 535 | FAXX | +FAXXRAIL, INC. | | | PWRC |
| 536 | FAXX | B R S CARTAGE INC | | | SCAC4 |
| 537 | FAY | Fayban Air Services | Callsign: Fayban Air, | WAN | AVCODES |
| 538 | FAY | Fayban Air Services | | | ICAO1 |
| 539 | FAYE | FAYETTEVILLE MOVING & STORAGE INC | | | SCAC4 |
| 540 | FAYG | FAYGUS INC | | | SCAC3 |
| 541 | FAYI | FAYS INCORPORATED | | | SCAC3 |
| 542 | FAYM | FAYARD MOVING AND TRANSPORTATION CO | | | SCAC3 |
| 543 | FAYN | FAMILY TRADITION | | | SCAC4 |
| 544 | FAYQ | FAY, W. H | | | SCAC3 |
| 545 | FAYQ | FAY, W H COMPANY, THE | | | SCAC4 |
| 546 | FAYT | FAYETTE TRUCKING INC | | | SCAC3 |
| 547 | FAZ | Flint Aviation Services, Inc. | Callsign: Flint Air, | USA | AVCODES |
| 548 | FAZ | Flint Aviation Services | | | ICAO1 |
| 549 | FAZ | FISH ALLEY | | | PWRC |
| 550 | FAZE | FAZE II LTD | | | SCAC3 |
| 551 | FAZJ | FATZ, JACK G TRUCKING | | | SCAC3 |
| 552 | FAZO | FAZON ENTERPRISES INC | | | SCAC4 |
| 553 | FAZS | FAZIO STORAGE WAREHOUSE COMPANY, IN | | | SCAC3 |
| 554 | FAZU | STP Shipping And Trading | | | RSRV |
| 555 | FB | Fine Air Services, Inc. | ICAO: FBF, Callsign: Fine Air, IATA Prefix: 340, Desigantor FB recalled by IATA. Name changed from Fine Airlines, Inc. | USA | AVCODES |
| 556 | FB | Aero France International SA | ICAO: ROF, Callsign: Airof, | F | AVCODES |
| 557 | FB | Guardair A.S. | ICAO: JAP, Callsign: Guard Air, Ceased operations on 30 March 2001. | N | AVCODES |
| 558 | FB | Fine Airlines, Inc. | ICAO: FBF, Callsign: Fine Air, IATA Prefix: 340, Name changed to Fine Air Serivces, Inc. | USA | AVCODES |
| 559 | FB | Balkan Air Tours Ltd. | ICAO: LZB, Callsign: Balkan Tour, Name changed to Bulgaria Air. New State Airline to replace bankrupt Balkan - Bulgarian Airlines. | BG | AVCODES |
| 560 | FB | Ferranti Ltd. | Callsign: Ferranti, Designator FB recalled by IATA | GB | AVCODES |
| 561 | FB | Bulgaria Air | ICAO: LZB, Callsign: Balkan Tour, IATA Prefix: 623, ICAO callsign changed to Flying Bulgaria. Name changed from Balkan Air Tours Ltd. | BG | AVCODES |
| 562 | FB | Bursa Airlines, Inc. | Callsign: Foxtrot Bravo, | TR | AVCODES |
| 563 | FB | Bulgaria Air | ICAO: LZB, Callsign: Flying Bulgaria, IATA Prefix: 623, ICAO callsign changed from Balkan Tour. Name changed from Balkan Air Tours Ltd. | BG | AVCODES |
| 564 | FB | Berlin European U.K. Ltd. | ICAO: RGN, Callsign: Regional, IATA Desigantor changed to WZ | GB | AVCODES |
| 565 | FB | Falsterbanen | 1872 - 1893 | DK | jernbanen.dk |
| 566 | FB | Forchbahn | | CH | TRAFFIC |
| 567 | FB | Forchbahn | | CH | VKM |
| 568 | FBA | Lignes Aeriennes Felou | Callsign: Air Felou, | RMM | AVCODES |
| 569 | FBA | Tunca Havacilik A.S. Bestair | IATA: 5F, ICAO designator changed to BST | TR | AVCODES |
| 570 | FBA | FAB-Air | Ceased Operations in 2007 | KS | AVCODES |
| 571 | FBA | Fly Baghdad | IATA: IF, Callsign: Iraq Express, | IRQ | AVCODES |
| 572 | FBA | Fab Air | | | ICAO1 |
| 573 | FBA | Ferrobaires:(Unidad Ejecutora del Programa Ferroviario Provincial | | RA | TRAFFIC |
| 574 | FBAB | FOUR BOYZ TRUCKING INC | | | SCAC4 |
| 575 | FBAC | F B A CO | | | SCAC3 |
| 576 | FBAL | FABRAL INC | | | SCAC4 |
| 577 | FBAN | FARBER, ANNALIESE | | | SCAC4 |
| 578 | FBAR | FLORIDA BIODIESEL FUELS INC | | | SCAC4 |
| 579 | FBAU | AHLERS LINES NV | | | PWRC |
| 580 | FBAU | Ahlers Lines NV | | | RSRV |
| 581 | FBAU | AHLERS LINES N.V. | | | SCAC3 |
| 582 | FBAU | AHLERS MARITIME SERV | | | SCAC4 |
| 583 | FBB | Fly Armenia Airways LLC | IATA: 9F, Callsign: Yerevan, IATA designator changed to VF. | AM | AVCODES |
| 584 | FBB | Fly Armenia Airways LLC | IATA: VF, Callsign: Yerevan, IATA designator changed from 9F. | AM | AVCODES |
| 585 | FBBC | FIREBIRD BULK CARRIERS INC | | | SCAC4 |
| 586 | FBC | Fly Blue Crane (PTY) Ltd | IATA: 7B, Callsign: Blue Crane, Operations commenced on 01 September 2015. Suspended operations during Febraury 2017 | ZA | AVCODES |
| 587 | FBCA | FERRARA BULK CARRIERS | | | SCAC3 |
| 588 | FBCG | F B CARTAGE | | | SCAC3 |
| 589 | FBCI | FEDERAL BULK CARRIERS INC | | | SCAC3 |
| 590 | FBCK | FARNER-BOCKEN COMPANY | | | SCAC4 |
| 591 | FBCL | FASTBREAK CONSOLIDATORS INC | | | SCAC4 |
| 592 | FBCN | FRIEDMAN BAG CO INC | | | SCAC3 |
| 593 | FBCT | F B C TRUCKING | | | SCAC3 |
| 594 | FBCU | FRESH BOX CONTAINER GMBH | | | SCAC3 |
| 595 | FBCX | Foley Butane Co., Inc. | 1/1950-10/1957; eliminated 4/1960 | | NAKINA |
| 596 | FBCX | Baker Coconut Co. | 7/1923 | | NAKINA |
| 597 | FBCX | Franklin Baker Co. | 7/1930-7/1935 | | NAKINA |
| 598 | FBCX | Franklin Baker Co. | 8/1920 | | NAKINA |
| 599 | FBCX | Foley Butane Co., Inc. | 1/52-10/57 | | NRHS |
| 600 | FBCX | *BAKER COCONUT CO. (FRANKLIN BAKER CO.) | | | PWRC |
