| 1 | 8Q | Onur Air Tasimacilik A/S | ICAO: OHY, Callsign: Onur Air, Suspended operations in December 2021. Filed for Bankruptcy in April 2022. | TR | AVCODES |
| 2 | 8Q | Baker Aviation, Inc. | ICAO: BAJ, Callsign: Baker Aviation, Designator 8Q* recalled by IATA. Designator 8Q* reinstated by IATA | USA | AVCODES |
| 3 | 8Q | Princess Air Plc | ICAO: PRN, Callsign: Whisperjet, Ceased operations on 27 February 1991. | GB | AVCODES |
