NTSB Identification: SEA85LA060.
The docket is stored on NTSB microfiche number 27334.
Accident occurred Monday, February 18, 1985 in LOWELL, OR
Aircraft: BELL 214B1, registration: N314RM
Injuries: 2 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE ACFT COLLIDED WITH HILLY TERRAIN DURING AN EMERGENCY AUTOROTATION LANDING ATTEMPT FOLLOWING A REPORTED ENG OVERSPEED. THE CREW REPORTED THERE WAS AN INDICATION OF ENG OVERSPEED WHICH THEY COULD NOT CONTROL. POST ACC EXAMINATIONREVEALED NO EVIDENCE OF OVERSPEED OR FAILURE OF ANY CONTROL DEVICES THAT WOULD MATERIALLY HAVE AFFECTED THE FLT CREWS ABILITY TO MAINTAIN ENG RPM AT THE PROPER AND/OR DESIRED RATE. ROTOR RPM DECAY WAS ALSO REPORTED BY THE FLT CREW EVEN WITH THE ENG AT THE REPORTED HIGH RPM. NO REASON FOR THE ALLEGED CONDITION WAS FOUND IN CONTINUITY OF THE PWR TRAIN IN AN EXAMINATION OF THE POWERPLANT & DRIVE TRAIN AFTER ENG SHUT DOWN BY GROUND PERSONNEL.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AUTOROTATION..MISJUDGED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:REMEDIAL ACTION..NOT ATTAINED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND
FUEL SYSTEM,FUEL CONTROL..OVERSPEED
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