NTSB Identification: LAX85LA305.
The docket is stored on NTSB microfiche number 29813.
Accident occurred Friday, July 05, 1985 in GONZALES, CA
Aircraft: HILLER UH-12E, registration: N161HA
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.

WHILE CRUISING DURING AN AG FLIGHT THE ACFT'S ENG BEGAN LOSING PWR. AT THE TIME THE ACFT WAS ABOUT 50 FT AGL & WAS TRAVELLING AT 50 MPH. THE PLT MADE A FORCED LDG ONTO A NEARBY PLOWED FLD. UPON TOUCHDOWN THE RT SKID DUG INTO A FURROW & THE ACFT ROLLED OVER. EXAM OF THE ACFT REVEALED THAT AN AIR LEAK HAD DEVELOPED AT THE FUEL FEED LINE INLET TO THE ELECTRIC BOOST PUMP. THE CONNECTOR INLET BUSHING BEING USED WAS NOT FOUND TO BE OF 'ACFT QUALITY,' & ITS CONDITION WAS OBSERVED TO BE RUSTED, PUTTED & ROUGH. THE INDIVIDUAL(S) RESPONSIBLE FOR ORIGINALLY PLACING THE UNAUTHORIZED PART IN SERVICE COULD NOT BE DETERMINED.

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

FUEL SYSTEM,LINE FITTING..UNAPPROVED PART

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

MAINTENANCE,REPLACEMENT..IMPROPER..OTHER MAINTENANCE PERSONNEL

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

FUEL SYSTEM,LINE FITTING..CORRODED

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

FUEL SYSTEM,LINE FITTING..DETERIORATED


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE



Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..ROUGH/UNEVEN


Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..SOFT


Contributing Factors

FUEL SYSTEM,LINE FITTING..FAILURE,TOTAL

Index for Jul1985 | Index of months