NTSB Identification: SEA86LA197.
The docket is stored on NTSB microfiche number 31315.
Accident occurred Wednesday, July 30, 1986 in HAWTHORNE, NV
Aircraft: Schempp-Hirth NIMBUS IIIT, registration: N141V
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.

AFTER A 5 HOUR FLIGHT IN THE MOTORIZED GLIDER DURING WHICH THE ENGINE WAS UTILIZED ON SEVERAL OCCASIONS THE PILOT RETURNED TO HIS DESTINATION. UPON ARRIVAL HE EXECUTED A NUMBER OF LOW PASSES OVER THE RUNWAY FOR PHOTOGRAPHERS. THE PILOT EXECUTED A FLY BY CONFIDENT THAT ENOUGH FUEL REMAINED FOR THE MANEUVER. DURING THE PULLUP THE REMAINING FUEL WAS EXHAUSTED AND THE PILOT EXECUTED A FORCED LANDING. NO FUEL GAUGE NOR LOW FUEL WARNING INDICATOR WAS INSTALLED IN THE AIRCRAFT AND THE PILOT HAD NO WAY OF ACCURATELY DETERMINING FUEL REMAINING. THE PLTS FLYING TIME WAS NOT REPORTED.

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

FUEL CONSUMPTION CALCULATIONS..INACCURATE..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND

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