NTSB Identification: LAX87DVD04.
The docket is stored on NTSB microfiche number 35741.
Accident occurred Wednesday, August 05, 1987 in BRENTWOOD, CA
Probable Cause Approval Date: 02/24/1989
Aircraft: HILLER UH-23-D, registration: N61PC
Injuries: 1 Uninjured.

DURING AN AERIAL APPLICATION FLIGHT, THE TAIL BOOM WEIGHT SEPARATED AND CONTACTED THE TAIL ROTOR. THE PILOT LOST CONTROL OF THE AIRCRAFT AND COLLIDED WITH A TREE AND SUBSEQUENTLY THE TERRAIN. POST ACC INVEST REVEALED THAT THE 'PIP PINS' WHICH SECURE THE TAIL BOOM WEIGHT BROKE IN FLT ALLOWING MOVEMENT OF THE WEIGHT.

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

MISC ROTORCRAFT,TAIL BOOM..FAILURE,PARTIAL

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

FUSELAGE,ATTACHMENT..SEPARATION


Contributing Factors

OBJECT..TREE(S)

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