# NTSB OAK66F0195: Boeing A-75, N69056, Porterville, CA, February 22, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 22, 1966
- Place: Porterville, CA · PORTERVILLE, CA
- Location: 36.0635° N, 119.0336° W: Placed by OpenAirDocs: center of Porterville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0635&lon=-119.0336&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 28, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 173852
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66F0195
- Page: https://openairdocs.org/ntsb/OAK66F0195

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0307  66/2/22    PORTERVILLE CALIF   BOEING A-75         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 47, 5800
        TIME - 1400                    N69056              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 3800 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS ACTS,CONDITIONS - DISREGARD OF GOOD OPERATING PRACTICE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          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 -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  700                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
        REMARKS- PILOT ATTEMPTED TURNAROUND OVER RISING TERRAIAN
```

## Aircraft

- Registration: [N69056](https://openairdocs.org/aircraft/N69056), registered now, S/N 75-1839, built 1941 (OpenAirDocs)
- Reported make and model: BOEING A-75
- Registry model: [Boeing IB75A](https://openairdocs.org/model/boeing-ib75a) (registry code 1380152) (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

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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