OAK70D0083

NTSB accident investigation · Boeing 75 · Los Banos, CA · August 16, 1969

Accident · No injuriesClosed
Date
August 16, 1969
Place
Los Banos, CA · LOS BANOS, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N67472Boeing 75
Status
Completed · report April 6, 1970
Report
Brief approved by the director
Case key
162487

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3504  69/8/16    LOS BANOS,CALIF     BOEING 75           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 46, 10450
        TIME - 1400                    N67472              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 5585 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LOS BANOS
        DEPARTURE POINT             INTENDED DESTINATION
          LOS BANOS,CALIF             LOS BANOS,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - PROP/ENGINE VIBRATION
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5585                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          GLOVES - NOT USED                                        GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- BLADE BROKE 5 INS FROM BUTT END.EXTREME VIBRATION CAUSED ENG TO SEPARATE FROM ACFT.

Aircraft

Registration
N67472
Reported as
Boeing 75
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Los Banos