NTSB Identification: LAX83FA400.
The docket is stored on NTSB microfiche number 22066.
Nonscheduled 14 CFR
Accident occurred Monday, August 22, 1983 in BATTLE MOUNTAIN, NV
Aircraft: BELL 206-B, registration: N17355
Injuries: 2 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE HELICOPTER LOST POWER DURING TAKEOFF,TOUCHED DOWN ON THE LEFT SKID,BOUNCED AND ROLLED OVER. THE FLT HAD ORIGINATED AT 1315 AT A LOCAL FIELD AND PROCEEDED TO PICK UP A PASSENGER AT ANOTHER LOCATION. THE ACFT HAD JUST LANDED, PICKED UP THE PASSENGER AND WAS DEPARTING TO TAKE HIM TO A MINING CLAIMS SURVEY WHEN THE ACCIDENT OCCURRED. THE HELICOPTER WAS EXAMINED AND THE ENGINE WAS TORN DOWN BUT NO REASON FOR THE POWER LOSS WAS FOUND. IN THE FUEL GOVERNOR AND FUEL CONTROLLER SMALL BITS OF METAL, WOOD, CLOTH AND AN 'O' RING WERE FOUND. IN THE OPINION OF THE TECHNICIANS THIS WAS CONSISTENT WITH A SYSTEM OPERATING IN BYPASS & COULD NOT BY THEMSELVES HAVE CAUSED A SUDDEN PARTIAL LOSS OF POWER. SOME OTHER MINOR DISCREPANCIES WERE FOUND, NONE OF WHICH SHOULD HAVE AFFECTED NORMAL OPERATION OF THE ENGINE.

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

REASON FOR OCCURRENCE UNDETERMINED

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

FLARE..NOT POSSIBLE..PILOT IN COMMAND


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