NTSB Identification: LAX83LA069.
The docket is stored on NTSB microfiche number 20265.
Accident occurred Friday, January 07, 1983 in NEAR VACAVILLE, CA
Aircraft: HILLER UH-12E, registration: N4027D
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 AIRCRAFT COLLIDED WITH A TELEPHONE WIRE DURING TAKEOFF. THE PILOT MADE A PRECAUTIONARY LANDING ON THE SOFT BANK OF A LEVEE TO ASSESS THE DAMAGE AND LEFT THE ROTOR AT IDLE. THE LEVEE BANK GAVE WAY AND THE HELICOPTER SLID INTO THE DITCH WHERE THE ROTOR BLADES HIT THE GROUND. THE PILOT SAID HE SHOULD NOT HAVE WORKED SO CLOSE TO THE WIRES.

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

COMPENSATION FOR WIND CONDITIONS..MISJUDGED..PILOT IN COMMAND

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

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..SELECTED..PILOT IN COMMAND


Contributing Factors

PRECAUTIONARY LANDING..PERFORMED..PILOT IN COMMAND


Contributing Factors

OBJECT..WIRE,TRANSMISSION


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT


Contributing Factors

TERRAIN CONDITION..SOFT

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