# NTSB FTW71DQG15: Piper PA-25, N4537Y, Hart, TX, August 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 5, 1970
- Place: Hart, TX · HART, TX
- Location: 34.3858° N, 102.1150° W: Placed by OpenAirDocs: center of Hart, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.3858&lon=-102.1150&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 5, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 111361
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71DQG15
- Page: https://openairdocs.org/ntsb/FTW71DQG15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3271   70/8/5    HART,TEX            PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0745                    N4537Y              PX-  0  0  0  AERIAL APPLICATION        AGE 29, 2035 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1071 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HART,TEX                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1071                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  3600
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- HIT WIRES.
```

## Aircraft

- Registration: [N4537Y](https://openairdocs.org/deregistered/N4537Y-1974-12-10), registration cancelled 1974-12-10, S/N 25-4183, built 1967 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4537Y (1)

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.

- [NTSB FTW75DQG01](https://openairdocs.org/ntsb/FTW75DQG01), Jul 9, 1974: Piper PA-25 (N4537Y), Fieldton, TX, 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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