| Name | Designator | Engine Manufacturer |
|---|---|---|
| E4 | UH12 | FAIRCHILD HILLER |
| L3 | UH12 | FAIRCHILD HILLER |
| L4 | UH12 | FAIRCHILD HILLER |
| OH-23 Raven | UH12 | FAIRCHILD HILLER |
| SL3 | UH12 | FAIRCHILD HILLER |
| SL4 | UH12 | FAIRCHILD HILLER |
| UH-12E | UH12 | FAIRCHILD HILLER |
| H-23 Raven | UH12 | HILLER |
| HTE Raven | UH12 | HILLER |
| OH-23 Raven | UH12 | HILLER |
| UH-12B | UH12 | HILLER |
| UH-12C | UH12 | HILLER |
| UH-12E | UH12 | HILLER |
| UH-12E3 | UH12 | HILLER |
| UH-12E4 | UH12 | HILLER |
| UH-12E5 | UH12 | HILLER |
| UH-12L3 | UH12 | HILLER |
| UH-12L4 | UH12 | HILLER |
| UH-12SL3 | UH12 | HILLER |
| UH-12SL4 | UH12 | HILLER |
| UH-12E Hauler | UH12 | ROGERSON HILLER |