| Designation | Nickname | Primary role |
|---|---|---|
| H-16 | Transporter | U.S. Air Force Helicopter (1948- Present) |
| H-25 | Retriever | U.S. Air Force Helicopter (1948- Present) |
| HJP | U.S. Navy / Marines Helicopter, Utility (1944-1949) | |
| HRP | Rescuer | U.S. Navy / Marines Helicopter, Transport (1944-1962) |
| HUP | Retriever | U.S. Navy / Marines Helicopter, Utility (1950-1962) |
| VZ-8 | U.S. Air Force VTOL Research (1956-1962) |