# NTSB FTW66F0166: Piper PA-25, N6739Z, Hough, OK, July 23, 1965

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 23, 1965
- Place: Hough, OK · HOUGH, OK
- Location: 36.8720° N, 101.5747° W: Placed by OpenAirDocs: center of Hough, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.8720&lon=-101.5747&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 24, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177153
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW66F0166
- Page: https://openairdocs.org/ntsb/FTW66F0166

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0356  65/7/23    HOUGH OKLA          PIPER PA-25         CR-  0  1  0  COMMERCIAL                NO CERTIFICATE, AGE 42,
        TIME - 1930                    N6739Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   10000 TOTAL HOURS, 250 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HILLER FARM STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: BUILDING(S)                               LANDING: ROLL
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (OWNER-PILOT)
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 8000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- FACILITIES AND PROCEDURES TO KEEP WATER FROM FUEL WERE INADEQUATE
```

## Aircraft

- Registration: [N6739Z](https://openairdocs.org/deregistered/N6739Z-2013-09-26), registration cancelled 2013-09-26, S/N 25-2352, built 1963 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hiller Farm Strip

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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