NORTH PORT, FL, USA
N4242T
BELL UH-1B
THE FLT EXPERIENCED AN ENG FAILURE AT AN ALT OF APRX 8 FT AGL SHORTLY AFTER TAKEOFF AND THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE WHEN A HARD LANDING WAS MADE. POST ACCIDENT INSPECTION OF THE ENG REVEALED THE PWR TURBINE WHEEL EXPERIENCED A LOSS OF TWO TURBINE BLADES WHICH IN TURN CAUSED THE TURBINE SECTION OF THE ENG TO SEIZE, SHEARING THE DRIVE SHAFT TO THE COMPRESSOR SECTION OF THE ENG. THE FAILURE POINT OF THE TWO TURBINE BLADES REVEALED BURNING WHICH IS EVIDENT OF PRE-EXISTING CRACKS.
Source: NTSB Aviation Accident Database
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