NTSB Identification: SEA82FYM16
14 CFR Part 133: Rotorcraft Ext. Load
Accident occurred Wednesday, May 19, 1982 in BIRKENFELD, OR
Probable Cause Approval Date: 05/19/1983
Aircraft: HUGHES 369D, registration: N1096L
Injuries: 1 Minor.

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 PILOT STATED THAT THE FUEL GAUGE INDICATED 150 LBS OF FUEL REMAINING WHEN HE BEGAN THE FLIGHT. SINCE THE DROP POINT WAS WITHIN 2 TO 3 MINUTES OF THE DEPARTURE POINT, HE ELECTED TO PROCEED WITHOUT REFUELING. WHILE HOVERING AND BEING GUIDED INTO THE DROP POINT, THE LOW FUEL WARNING LIGHT FLICKERED. THE PILOT COMPLETED THE DROP, AND WHILE RETURNING TO THE REFUELING AREA, THE LIGHT FLICKERED 3 MORE TIMES. THE PILOT STATED THAT WHEN HE ARRIVED AT THE REFUELING AREA, THE FUEL GAUGE INDICATED APPROXIMATELY 50 TO 60 LBS OF FUEL REMAINING. SHORTLY AFTER THAT, THE ENGINE LOST POWER WHILE THE HELICOPTER WAS STILL ABOUT 50 TO 60 FT AGL. DURING AN AUTOROTATION, THE HELICOPTER WAS LANDED ON THE HILLSIDE OF A LOGGING AREA WHILE AVOIDING A TRUCK.

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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

FLUID,FUEL..EXHAUSTION

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

FUEL SUPPLY..MISJUDGED..PILOT IN COMMAND


Contributing Factors

ENGINE INSTRUMENTS,FUEL QUANTITY GAGE..ERRATIC


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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