NTSB Identification: OAK65F0013
14 CFR Part 91 General Aviation
Aircraft: BOEING PT-13, registration: N56423----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
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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