NTSB Identification: OAK65F0013
14 CFR Part 91 General Aviation
Aircraft: BOEING PT-13, registration: N56423

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-0398  65/3/15    LEGRAND CALIF       BOEING PT-13        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 51, 12000
        TIME - 1030                    N56423              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 8000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PROCEDURE TURNAROUND
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - INSTALLED                             TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  150
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - SECOND 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- CRANKSHAFT FAILED AT THREAD AREA OF THRUST BEARING NUT, PROP SEPERATED FROM ENGINE.

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