Williams Helicopter Corp UH-1H — registry & accident history
Compiled from FAA & NTSB records · as of Jul 29, 2026
There are 10 Williams Helicopter Corp UH-1H airframes on record (built 1965–1998), 6 currently registered. 4 have one or more NTSB accident records (4 records total). Data as of Jul 29, 2026.
Recent Williams Helicopter Corp UH-1H accidents
The pilot’s failure to set collective friction which resulted in collective bounce and subsequent loss of control.
A collective control malfunction for reasons that could not be determined.
An extreme vibration immediately after entering forward flight for reasons that could not be determined because postaccident examination of the helicopter did not reveal any anomalies that would have precluded normal operation. Contributing to the accident was the pilot’s inability to maintain helicopter control during the landing.
The loss of main rotor power due to a main rotor transmission failure from a lack of lubrication.