NTSB Identification: FTW94LA125.
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Accident occurred Saturday, April 16, 1994 in ALVIN, TX
Probable Cause Approval Date: 12/07/1994
Aircraft: HILLER UH-12, registration: N41319
Injuries: 1 Minor,2 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.

DURING A CLIMB TO CRUISE THE ENGINE POWER FLUCTUATED AND MAIN ROTOR RPM DECAYED TO A LEVEL INSUFFICIENT TO MAINTAIN FLIGHT. THE PILOT EXECUTED AN AUTOROTATION FROM A LOW ALTITUDE TO THE ONLY AVAILABLE AREA. DURING THE TOUCHDOWN THE RIGHT SKID WAS DAMAGED AND THE TAIL BOOM WAS SEVERED. AN FAA AIRWORTHINESS INSPECTOR EXAMINED THE ENGINE AND DRIVE TRAIN; NO DISCREPANCIES WERE DISCOVERED.

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

THE PILOT'S FAILURE TO MAINTAIN ROTOR SPEED, DELAY OF THE FLARE, AND THE IMPROPER TOUCHDOWN. A FACTOR WAS THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.

Full narrative available

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