| 1 | Y5 | Inter Trans Avia | ICAO: ITD, Callsign: Seitek, | KS | AVCODES |
| 2 | Y5 | Arax Airways | ICAO: RXR, Designator Y5 recalled by IATA | AM | AVCODES |
| 3 | Y5 | Pace Airlines, Inc | ICAO: PCE, Callsign: Pace, Established in January 1996. Ceased operations September 2009. Name changed from Piedmont Aviation Services, Inc. d/b/a Pace Airlines w.e.f December 2002. | USA | AVCODES |
| 4 | Y5 | Aircompany Asia Wings JSC | ICAO: AWA, Ceased operations during 2012. | KZ | AVCODES |
| 5 | Y5 | Golden Myanmar Airlines Public Co., Ltd | ICAO: GMR, Callsign: Golden Myanmar, IATA Prefix: 509, Established in August 2012. Commenced operations on 11 January 2013. Ceased operations. | MYA | AVCODES |
