NTSB Identification: DEN87LA206.
The docket is stored on NTSB microfiche number 34154.
Accident occurred Monday, August 03, 1987 in ALBUQUERQUE, NM
Probable Cause Approval Date: 11/08/1988
Aircraft: BELL 206B, registration: N5001Q
Injuries: 1 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 CRUISE FLT A PARTIAL POWER FAILURE OCCURRED REQUIRING A FULL EMERG AUTOROTATIVE LANDING TO BE CONDUCTED TO AN UNEVEN DIRT AREA. FOLLOWING TOUCHDOWN THE ACFT SLID FORWARD AND THE TAIL ROSE CAUSING THE MAIN ROTOR TO CONTACT THE TAIL BOOM SEVERING THE LAST THREE FEET. THERE WERE NO INJURIES AND THE ACFT SUSTAINED SUBSTANTIAL DAMAGE. THE POWER LOSS WAS DUE TO A SEPARATION OF THE ENG GOVERNOR PYV VALVE CAUSING THE ENG TO DECELERATE TO A BELOW IDLE CONDITION. NO DETERMINATION COULD BE MADE AS TO THE CAUSE OF THE SEPARATION.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,DUMP VALVE..FAILURE,PARTIAL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLARE..INADEQUATE..PILOT IN COMMAND


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