NTSB Identification: SEA94LA094.
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Accident occurred Friday, April 01, 1994 in RIMROCK, WA
Probable Cause Approval Date: 12/07/1994
Aircraft: HUGHES 369D, registration: N5211R
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT WAS IN A HOVER AT 125 FEET AGL AND ZERO HORIZONTAL VELOCITY WHEN THE ENGINE QUIT. HE HAD BEEN CONDUCTING LOGGING OPERATIONS FOR APPROXIMATELY 40 MINUTES ON A 200 POUND FUEL LOAD. HE EXECUTED AN AUTOROTATION BUT LANDED HARD WITH THE HELICOPTER ROLLING OVER. THE PILOT REPORTED THAT HE RAN OUT OF FUEL WHILE IN THE HOVER. AUTOROTATION FROM 125 FEET AT ZERO AIRSPEED WAS OUTSIDE THE PARAMETERS OF THE AIRCRAFT'S 'HEIGHT - VELOCITY' DIAGRAM.

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

FUEL EXHAUSTION, THE PILOT IN COMMAND'S FAILURE TO REFUEL THE AIRCRAFT, AND THE INABILITY TO SUCCESSFULLY EXECUTE AN AUTO- ROTATION LANDING BECAUSE OF THE LOW ALTITUDE.

Full narrative available

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