# NTSB LAX68D0407: Stearman D75N1, N53233, Poston, AZ, April 4, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 4, 1968
- Place: Poston, AZ · POSTON, AZ
- Location: 33.9921° N, 114.4045° W: Placed by OpenAirDocs: center of Poston, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9921&lon=-114.4045&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 18, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111372
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX68D0407
- Page: https://openairdocs.org/ntsb/LAX68D0407

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1062   68/4/4    POSTON,ARIZ         STEARMAN D75N1      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 45, 8500
        TIME - 1330                    N53233              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 2000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAMPLEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          CRASH HELMET - AVAILABLE-NOT USED                        COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
```

## Aircraft

- Registration: [N53233](https://openairdocs.org/aircraft/N53233), registered now, S/N 75-3775, built 1942 (OpenAirDocs)
- Reported make and model: STEARMAN D75N1
- Registry model: [Boeing D75N1](https://openairdocs.org/model/boeing-d75n1) (registry code 1380148) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sampley

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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