NTSB Identification: LAX96LA217.
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Accident occurred Saturday, June 01, 1996 in GEORGETOWN, CA
Probable Cause Approval Date: 01/08/1997
Aircraft: Hughes 269B, registration: N9332F
Injuries: 2 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
During a dual instructional lesson, the CFI initiated a practice autorotation from 1,000 feet above ground level (agl) while in the traffic pattern. The CFI reported that as the helicopter descended through 800 feet agl, all engine power was suddenly lost and the practice maneuver turned into a forced landing. Just prior to experiencing the engine power loss, all instruments had been in the green. The CFI further stated that the helicopter touched down softly at the approach end of the runway with a forward speed between 2 and 3 miles per hour. Thereafter, the helicopter tipped forward, shook violently, and the main rotor blade contacted the airframe which resulted in substantial damage.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: loss of engine power for undetermined reason(s), while practicing an autorotation, which resulted in a forced landing; and the flight instructor's misjudged landing flare during the emergency autorotation/landing. Full narrative available
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