Airframes (6)
| C/N | Model | Built | Reg | |
|---|---|---|---|---|
| 55-027 | hrs-1 | 1951 | N49557S | |
| 55-1003 | s-55b | 1956 |  N873 CF-MEV | |
| 55-1004 | s-55b | 1956 | N874 | |
| 55-1005 | s-55b | 1956 | N875 N875W C-GSWL N855TC | |
| 55-648 | h-19d | 1954 | N75215 | |
| 55-883 | s-55b | 1955 | N744A N744A N155GW |
Operators
| 1956-1961 | Chicago Helicopter Airways |