| C/N | Version | Built | History |
| 31636 | | |  158551 : conv to HH-1N
|
| 31637 | | | 158552 : conv to HH-1N. emergency landing 13jun02 Merced Muni/Macready Field. 1 fatality
|
| 31638 | | | 158553 : conv to HH-1N. crash 28mar02 2 fatalities. w/o ?
|
| 31639 | | | 158554 : conv to HH-1N. AMARC
|
31641  | | | 158556 : conv to HH-1N. w/o 08jul01 NAS Fallon
|
| 31642 | | | 158557 : conv to HH-1N. AMARC 1989
|