NTSB Identification: LAX84LA373.
The docket is stored on NTSB microfiche number 24709.
Accident occurred Wednesday, June 27, 1984 in YUBA CITY, CA
Aircraft: HILLER UH-12E, registration: N530HA
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.

AFTER DISPENSING 8 LOADS, THE PLT REFUELED & TOOK OFF WITH THE 9TH LOAD. ABOUT 4 TO 6 SECONDS INTO THE FLT, WHILE APPROACHING TRANSITIONAL LIFT AT APRX 6 FT AGL, THE HELICOPTER BEGAN A VIBRATION & IMMEDIATELY LOST ROTOR RPM. THE PLT INITIATED A LANDING STRAIGHT AHEAD, BUT THE HELICOPTER YAWED TO THE LEFT & TOUCHED DOWN LEVEL IN A CRABBED-TO-THE-LEFT ATTITUDE. THE RIGHT SKID COLLAPSED & THE HELICOPTER ROLLED THE THE RIGHT. THE MAIN ROTOR STRUCK THE GROUND, THEN SEVERED THE TAIL BOOM & A 5 INCH DRIVE LINE. THE PLT SUSPECTED A VAPOR LOCK PROBLEM. HE HAD SHUT OFF THE FUEL PUMP DURING THE REFUELING & DID NOT REMEMBER TURNING IT BACK ON. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND.

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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

FLUID,FUEL..STARVATION

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

FUEL SYSTEM..IMPROPER USE OF..PILOT IN COMMAND

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