On May 30, 1989, a Bell 206B III (registration N2756Y) operated by Jerry Wilson was involved in an aviation accident near Lewiston, ID. Investigators recorded the probable cause as: Engine power loss during cruise flight, although no mechanical failure was found during post-accident testing. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
A helicopter lost engine power while cruising and the pilot initiated a forced landing on sloping terrain, resulting in a rollover. Subsequent inspection found no mechanical faults.
What happened
During cruise flight, the pilot reported that the helicopter engine lost power. In response to the emergency, the pilot initiated a forced landing on sloping terrain. The helicopter collided with the ground and subsequently rolled over.
The investigation
The wreckage was removed for further inspection. An engine test run was performed on the recovered powerplant. No mechanical failures or malfunctions were reported during this examination.
Probable cause
Engine power loss during cruise flight, although no mechanical failure was found during post-accident testing.
What happened in the 30 May 1989 Bell 206B III accident near Lewiston, ID?
A helicopter lost engine power while cruising and the pilot initiated a forced landing on sloping terrain, resulting in a rollover. Subsequent inspection found no mechanical faults.
What aircraft was involved and where did it happen?
The accident on 30 May 1989 involved a Bell 206B III, registration N2756Y, operated by Jerry Wilson, at Lewiston, ID.
What was the probable cause of the accident?
Engine power loss during cruise flight, although no mechanical failure was found during post-accident testing.
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