# NTSB UNK64X3475: Piper PA25, N6632Z, Walnut Hill, FL, August 19, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1964
- Place: Walnut Hill, FL · WALNUT HILL, FL
- Location: 30.8855° N, 87.5100° W: Placed by OpenAirDocs: center of Walnut Hill, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.8855&lon=-87.5100&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 28, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184787
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3475
- Page: https://openairdocs.org/ntsb/UNK64X3475

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2535  64/8/19    WALNUT HILL FLA     PIPER PA25          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 3000
        TIME - 1100                    N6632Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1600 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT -                 Z
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DIRT BANK                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2600                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  200
```

## Aircraft

- Registration: [N6632Z](https://openairdocs.org/aircraft/N6632Z), registered now, S/N 25-2216, built 1963 (OpenAirDocs)
- Reported make and model: PIPER PA25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport:                 Z

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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