NTSB Identification: LAX72AL018
14 CFR Part 91 General Aviation
Aircraft: HILLER ACFT UH12L4, registration: N90486
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3835   71/9/1    GRND CANYON,ARIZ    HILLER ACFT UH12L4  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2140
        TIME - 0945                    N90486              PX-  0  0  3  CTR PASSG-D               TOTAL HOURS, 32 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GRAND CANYON
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND CANYON,ARIZ           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      72
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          220                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- DSTY ALT 8900,DURG TKOF PLT LOST ROTOR RPM,R SKID BROKE OFF,ACFT ROLLED OVER,FIRE BROKE OUT.
Full narrative is not available


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