Aviation Accident Summary LAX93LA104

VOLCANO NATL PK, HI, USA

Aircraft #1

N427FH

FAIRCHILD HILLER FH-1100

Analysis

THE PILOT HAD TAKEN THE 4 PASSENGERS OF A TOUR GROUP ON A SIGHTSEEING FLIGHT. WHILE NEAR THE VOLCANOES NATIONAL PARK, HE ELECTED TO HOVER NEAR THE SHORELINE BETWEEN 100 AND 150 FT ASL. THE PILOT REPORTED THAT WHEN HE ATTEMPTED TO RESUME FORWARD FLIGHT, A TOTAL LEFT PEDAL FAILURE OCCURRED. THE HELICOPTER BEGAN TO SPIN AND HE LOST CONTROL. THE PILOT PERFORMED AN AUTOROTATIVE DESCENT AND TOUCHED DOWN IN THE PACIFIC OCEAN. A WAVE SWAMPED THE HELICOPTER AND IT SANK. THE HELICOPTER WAS NOT EQUIPPED WITH FLOATS, AND NONE OF THE PASSENGERS WERE WEARING A LIFEVEST. THE PILOT WAS THE ONLY SURVIVOR.

Probable Cause and Findings

A LOSS OF TAIL ROTOR CONTROL FOR AN UNDETERMINED REASON(S). A FACTOR WHICH CONTRIBUTED TO THE ACCIDENT WAS THE PILOT'S CHOICE OF A HOVER ALTITUDE/POSITION INADEQUATE TO REACH A SHORELINE IN THE EVENT OF AN EMERGENCY. A FACTOR WHICH CONTRIBUTED TO THE SEVERITY OF THE PASSENGERS' INJURIES WAS THE OPERATOR'S FAILURE TO PROVIDE PASSENGERS WITH LIFEVESTS.

 

Source: NTSB Aviation Accident Database

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