NTSB Identification: SEA76FTI02
14 CFR Part 91 General Aviation
Aircraft: BELL 47G3B1, registration: N1170W----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
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3-2605 75/7/9 NR.ELLISTON,MT BELL 47G3B1 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 30, 2313
TIME - 0845 N1170W PX- 0 0 0 MAPPING/PHOTO TOTAL HOURS, 460 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
DEPARTURE POINT INTENDED DESTINATION
HELENA,MT FLINT CRK MTN RANGE
TYPE OF ACCIDENT PHASE OF OPERATION
ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE
HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING
PROBABLE CAUSE(S)
POWERPLANT - IGNITION SYSTEM: MAGNETOS
POWERPLANT - IGNITION SYSTEM: HIGH TENSION WIRING
MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
FACTOR(S)
TERRAIN - HIGH OBSTRUCTIONS
MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
REMARKS- ROUGH RUNNING ENG.EXTENDED FLARE TO CLR FENCE.CRACKED DIST BLK L MAG,DMGD HI TENSION LD RECEPTACLE
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