| 1 | ERH | Era Aviation Inc. | IATA: 7H, Callsign: Erah, IATA Prefix: 808, Name changed to Corvus Airlines, Inc. d/b/a Ravn Alaska. Name changed from Era Helicopters, Inc. | USA | AVCODES |
| 2 | ERH | Era Helicopters, Inc. | Callsign: Erah, Name changed to Era Aviation | USA | AVCODES |
| 3 | ERH | Era Helicopters | Callsign: Era Heli, ICAO callsign changed to Era. | USA | AVCODES |
| 4 | ERH | Era Helicopters | Callsign: Era, ICAO callsign changed from Era Heli. | USA | AVCODES |
| 5 | ERH | Era Helicopters | | | ICAO1 |
| 6 | ERH | ERA Aviation | | USA | TRAFFIC |
| 7 | ERHM | ERIXON HOG MARKET | | | SCAC3 |
