| 1 | FLU | Flugschule Basel AG | Callsign: Yellow Flyer, | CH | AVCODES |
| 2 | FLU | Flugschule Basel | | | ICAO1 |
| 3 | FLUB | FRONTLINE AB | | | SCAC3 |
| 4 | FLUE | FLUET, A & FILS INC | | | SCAC4 |
| 5 | FLUI | FINANCIAL ASSURANCE INC | | | SCAC3 |
| 6 | FLUK | FLUKE TRANSPORT LTD | | | SCAC3 |
| 7 | FLUK | FLUKE TRANSPORT LTD | | | SCAC4 |
| 8 | FLUL | FLEET FUEL INC | | | SCAC4 |
| 9 | FLUM | FLUMAR TRANSPORTES FLUVIAS E MARITI | | | SCAC3 |
| 10 | FLUN | FLETEROS UNIDOS DEL NORTE SA DE CV | | | SCAC4 |
| 11 | FLUU | FLUORCHEMIE STULLN GMBH | | D | BIC |
| 12 | FLUU | FLUORCHEMIE STULLN GMBH | | | SCAC4 |
| 13 | FLUV | FLUSHING VAN & STORAGE CO, INC | | | SCAC3 |
