Aviation Accident Summaries

Aviation Accident Summary SEA92LA152

LOMAN, ID, USA

Aircraft #1

N62404

Hiller-Soloy UH12D

Analysis

WHILE THE HILLER/SOLOY UH12D WAS REPOSITIONING LOGGING PERSONNEL, IT EXPERIENCED A TOTAL LOSS OF POWER. BECAUSE THERE WAS NO SUITABLE LANDING AREA, THE PILOT ELECTED TO ATTEMPT AN AUTOROTATION INTO THE TOP OF THE TREES, WHICH STOOD APPROXIMATELY 50 FEET HIGH. AFTER IMPACTING THE TOP OF THE TREES, THE HELICOPTER FELL TO THE GROUND. AFTER THE CRASH IT WAS FOUND THAT A SHORT IN THE FUEL QUANTITY TRANSMITTER UNIT HAD CAUSED THE FUEL GAUGE TO READ 20 GALLONS, WHEN THE TANK ACTUALLY HAD ABOUT ONE CUP OF FUEL REMAINING.

Probable Cause and Findings

FUEL EXHAUSTION. FACTORS INCLUDE A SHORT IN THE FUEL QUANTITY SENSOR/TRANSMITTER, AN INADEQUATE PREFLIGHT, AND A TREE COVERED LANDING AREA.

 

Source: NTSB Aviation Accident Database

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