BAY MINETTE, AL, USA
N88987
BELL UH-1B
DURING A LOGGING OPERATION, THE HELICOPTER EXPERIENCED A COMPLETE ENGINE FAILURE SHORTLY AFTER ATTEMPTING A PICKUP. THE PILOT ENTERED AN AUTOROTATIVE GLIDE. THE HELICOPTER IMPACTED THE WATER AND SANK. THE WRECKAGE EXAMINATION DISCLOSED THAT THE COMPRESSOR TURBINE HAD SHIFTED FROM ITS NORMALLY INSTALLED POSITION WHICH CAUSED THE POWER FAILURE. THE ENGINE HAD ABOUT 980 HOURS SINCE IT'S LAST OVERHAUL.
Source: NTSB Aviation Accident Database
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