NTSB Identification: LAX90LA162.
The docket is stored on NTSB microfiche number 42847.
Accident occurred Thursday, May 03, 1990 in KAHULUI, HI
Probable Cause Approval Date: 12/14/1992
Aircraft: HUGHES 369C, registration: N9219F
Injuries: 1 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.

THE PILOT WAS POSITIONING THE HELICOPTER OVER A WHEELED LANDING PLATFORM AFTER DISEMBARKING PASSENGERS. AS THE PILOT MADE A HOVERING TURN OVER THE PLATFORM, THE TAIL BOOM STRUCK A 6 FOOT LIGHT POLE THAT WAS ATTACHED TO THE FRONT OF A TUG VEHICLE. THE TUG HAD BEEN POSITIONED TOO CLOSE TO THE LANDING PLATFORM. THE TAIL ROTOR GEARBOX AND BLADES SEPARATED FROM THE TAILBOOM.

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

THE PILOTS FAILURE TO ENSURE THAT ADEQUATE ROOM EXISTED TO POSITION THE HELICOPTER ON THE LANDING PLATFORM. CONTRIBUTING TO THE ACCIDENT WAS THE FAILURE OF GROUND PERSONNEL TO ENSURE THAT HAZARDS TO THE LANDING HELICOPTER WERE CLEAR OF THE LANDING AREA.

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