NTSB Identification: LAX90DVA08.
The docket is stored on NTSB microfiche number 42238.
Accident occurred Thursday, August 09, 1990 in LOS BANOS, CA
Probable Cause Approval Date: 09/21/1992
Aircraft: HILLER UH-12-E, registration: N117HA
Injuries: 1 Minor.

THE PILOT OF A UH12E HILLER HELICOPTER, THAT WAS ENGAGED IN AERIAL APPLICATION OF LIQUID CHIMICALS, COLLIDED WITH A TELEPHONE RESIDENTIAL SERVICE LINE WHILE MAKING HIS LAST PASS. HE STATED THAT HE FAILED TO SEE A WIRE LEADING TO THE HOUSE DURING HIS INITIAL RECONNAISSANCE FLIGHT. THE AIRCRAFT IMPACTED THE GROUND AFTER CONTACTING THE WIRE AND COLLIDED WITH THE GROUND. A POSTCRASH FIRE DESTROYED THE AIRCRAFT.

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

THE PILOT'S FAILURE TO MAINTAIN A LOOKOUT FOR OBSTRUCTIONS ALONG HIS SWATH RUN.

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