NTSB Identification: SEA00FA038.
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Accident occurred Tuesday, January 18, 2000 in SHERWOOD, OR
Probable Cause Approval Date: 05/09/2001
Aircraft: Hughes 269C, registration: N9297F
Injuries: 2 Uninjured.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
The commercial pilot and pilot rated passenger were practicing a pinnacle approach, terminating to a hover, over a gravel pile in the confines of a rock quarry. The commercial pilot stated that during the transition to a hover the helicopter continued to settle and the aircraft's left skid collided with the top of the pile. The pilot added full collective and left cyclic without a notable response. The helicopter continued to roll to the right and down the embankment. After the accident, the pilot reported that a dynamic roll over had occurred. Examination of the helicopter and associated system components revealed no evidence of a mechanical malfunction or failure.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilots failure to arrest the helicopter's descent rate during a planned approach to a hover. Factors include uneven terrain. Full narrative available
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