NTSB Identification: DEN81FA029
14 CFR Part 91 General Aviation
Aircraft: BELL UH-1B, registration: N46942

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3650   81/5/1  NR.WILLISTON,ND       BELL UH-1B          CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 34, 6070
        TIME - 1849                    N46942              PX-  7  0  0  OTHER                     TOTAL HOURS, 29 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         WILLISTON,ND                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FUEL GRADE-IMPROPER
           POWERPLANT - FUEL SYSTEM: NOZZLE,FUEL
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           POWERPLANT - TURBINE ASSEMBLY: BLADE,TURBINE WHEEL
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- USING UNLEADED AUTO/NO 1 DIESEL FUEL.4 NOZZLES OBSTD,SVRL TURB BLADES FAILED FM OVRHT/BLADE CREEP.

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