| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 481111 | 481111 | 481111 | Air commuter carriers, scheduled | |||
| 481111 | 481111 | 481111 | Air passenger carriers, scheduled | |||
| 481111 | 481111 | 481111 | Commuter air carriers, scheduled | |||
| 481111 | 481111 | 481111 | Helicopter passenger carriers, scheduled | |||
| 481111 | 481111 | 481111 | Passenger air transportation, scheduled | |||
| 481111 | 481111 | 481111 | Passenger carriers, air, scheduled | |||
| 481111 | 481111 | 481111 | Scheduled air passenger carriers | |||
| 481111 | 481111 | 481111 | Scheduled air passenger transportation |