NTSB Identification: SEA85LA178.
The docket is stored on NTSB microfiche number 28434.
Accident occurred Tuesday, June 11, 1985 in IDAHO CITY, ID
Aircraft: BELL 47G-3B-1, registration: N1333X
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 THE STUDENT PLT WAS ON A X-COUNTRY FLT, THE ENG LOST POWER AFTER THE SUPERCHARGER FAILED. THE PLT STATED THAT HE WAS UNABLE TO MAINTAIN ALTITUDE & RPM; HE SUBSEQUENTLY MADE A FORCED LANDING IN A HEAVILY TIMBERED, MOUNTAINOUS AREA.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:EXHAUST SYSTEM,EXTERNAL SUPERCHARGER..FAILURE,TOTAL
TERRAIN CONDITION..NONE SUITABLE
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