| 1 | RNA | Nepal Airlines Corporation t/a Royal Nepal Airlines | IATA: RA, Callsign: Royal Nepal, IATA Prefix: 285, Name changed to Nepal Airlines Corporation. Founded on 01 July 1958. Designator RA reinstated by IATA | NEP | AVCODES |
| 2 | RNA | Nepal Airlines Corporation t/a Nepal Airlines | IATA: RA, Callsign: Royal Nepal, IATA Prefix: 285, Name changed from Royal Nepal Airlines Corporation. Founded in 1958. Designator RA reinstated by IATA | NEP | AVCODES |
| 3 | RNA | Nepal Airlines | IATA: RA | | ICAO1 |
| 4 | RNA | Royal Nepal Airlines | IATA: RA | | ICAO1 |
| 5 | RNA | RIPLEY & NEW ALBANY RAILROAD COMPAN | | | SCAC4 |
| 6 | RNA | Rhein-Meckar Air | Operated by MHS Aciation GmbH | D | TRAFFIC |
| 7 | RNAC | REINAUER TRANSPORTATION COMPANIES | | | SCAC3 |
| 8 | RNAC | REINAUER TRANSPORTATION | | | SCAC4 |
| 9 | RNAD | Royal Navy Armaments Depots | | GB | TRAFFIC |
| 10 | RNAE | R & A ENTERPRISES | | | SCAC3 |
| 11 | RNAF | R & A FREIGHT SERVICES INC | | | SCAC3 |
| 12 | RNAG | RNA TRANSPORT | | | SCAC4 |
| 13 | RNAI | R&A TRUCKING COMPANY | | | SCAC3 |
| 14 | RNAI | R & A TRUCKING CO | | | SCAC4 |
| 15 | RNAK | R & A TRUCKING CO | | | SCAC3 |
| 16 | RNAM | R & A LEASING INC | | | SCAC3 |
| 17 | RNAM | RIDGEWAY NORTH AMERICA LIMITED | | | SCAC4 |
| 18 | RNAN | RICHNAN CORP | | | SCAC4 |
| 19 | RNAP | R & A PRODUCE LTD | | | SCAC4 |
| 20 | RNAQ | RENAUD INC | | | SCAC3 |
| 21 | RNAQ | RONAN, DOUG AIRCRAFT SALES | | | SCAC4 |
| 22 | RNAS | RON AND SONS TRUCKING INC | | | SCAC3 |
| 23 | RNAS | RON & SONS TRUCKING INC | | | SCAC4 |
| 24 | RNAT | R & A TRUCKING | | | SCAC3 |
| 25 | RNAT | R & A TRANS CORP | | | SCAC4 |
