The following Hiller UH-12's were previously operated by United States Army Aviation School, however they have now left the fleet. Select an aircraft to find out more details, including who operates the aircraft now if it has been sold on, or read details on why the aircraft was retired.
| Registration | Type | Status | Delivery Date | |
|---|---|---|---|---|
 |
O-25 | Hiller UH-12B (OH-23) Raven | Scrapped | Unknown |
|
O-27 | Hiller UH-12B (OH-23) Raven | Scrapped | Unknown |
|
O-29 | Hiller UH-12B (OH-23) Raven | Scrapped | Unknown |
|
O-30 | Hiller UH-12B (OH-23) Raven | Scrapped | Unknown |