# NTSB UNK65X0251: Boeing A75N1, N63409, Holtville, CA, October 12, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 12, 1964
- Place: Holtville, CA · HOLTVILLE, CA
- Location: 32.8138° N, 115.3783° W: Placed by OpenAirDocs: center of Holtville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8138&lon=-115.3783&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 6, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180537
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0251
- Page: https://openairdocs.org/ntsb/UNK65X0251

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3889  64/10/12   HOLTVILLE CALIF     BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 35, 8500
        TIME - 1730                    N63409              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 6500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GRAHAM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 6500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  0
        REMARKS- CRANKSHAFT DAMPENING ASSEMBLY FAILED.
```

## Aircraft

- Registration: [N63409](https://openairdocs.org/deregistered/N63409-2013-07-16), registration cancelled 2013-07-16, S/N 75-3762 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing D75N1](https://openairdocs.org/model/boeing-d75n1) (registry code 1380148) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Graham

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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