NTSB Identification: ANC76AA128
14 CFR Part 135 Nonscheduled operation of TEMSCO HELICOP
Aircraft: HUGHES 369HS, registration: N9172F
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3955   76/9/2  NR.HAWK INLET,AK      HUGHES 369HS        CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1715                    N9172F              PX-  2  1  0  AIR TAXI-PASSG            AGE 37, 6709 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            367 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EXPLORATION CAMP            HAWK INLET,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - OTHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          UNKNOWN/NOT REPORTED                                     210
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           30                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
         FIRE AFTER IMPACT
        REMARKS- RIDGES ON BOTH SIDES OF VALLEY.
Full narrative is not available


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