On November 10, 1988, a Bell 47G (registration N2AR) was involved in an aviation accident near Champion, NY. Investigators recorded the probable cause as: The pilot's inability to maintain control due to a severe downdraft and unexplained power loss during low-altitude operations in high wind conditions. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A helicopter pilot attempted to autorotate after experiencing a severe downdraft and power loss during a low-altitude patrol in high winds, resulting in a crash into terrain.
What happened
The pilot was conducting a power line patrol flight at an altitude of approximately 200 feet when he encountered a severe downdraft. During this phase of the flight, the aircraft experienced a sudden loss of engine power. Despite the challenging conditions, with local winds reported at 35 knots and gusting up to 45 knots, the pilot attempted to execute an autorotation to land safely.
Unfortunately, the attempt was unsuccessful. The helicopter impacted terrain and trees during the descent. Post-accident examination included a test run of the engine, which failed to reveal any mechanical failures or malfunctions that would explain the power loss.
Probable cause
The pilot's inability to maintain control due to a severe downdraft and unexplained power loss during low-altitude operations in high wind conditions.
What happened in the 10 Nov 1988 Bell 47G accident near Champion, NY?
A helicopter pilot attempted to autorotate after experiencing a severe downdraft and power loss during a low-altitude patrol in high winds, resulting in a crash into terrain.
What aircraft was involved and where did it happen?
The accident on 10 Nov 1988 involved a Bell 47G, registration N2AR, at Champion, NY.
What was the probable cause of the accident?
The pilot's inability to maintain control due to a severe downdraft and unexplained power loss during low-altitude operations in high wind conditions.
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