# NTSB FTW77FQD28: Piper PA-25, N4775Y, Coyanosa, TX, September 12, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 12, 1977
- Place: Coyanosa, TX · COYANOSA, TX
- Location: 31.2410° N, 103.0648° W: Placed by OpenAirDocs: center of Coyanosa, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.2410&lon=-103.0648&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 31, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145124
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FQD28
- Page: https://openairdocs.org/ntsb/FTW77FQD28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2739  77/9/12    COYANOSA,TX         PIPER PA-25         CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0815                    N4775Y              PX-  0  0  0  AERIAL APPLICATION        AGE 66, 16800 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 4000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          COYANOSA,TX                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  2600                SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
```

## Aircraft

- Registration: [N4775Y](https://openairdocs.org/deregistered/N4775Y-1977-11-01), registration cancelled 1977-11-01, S/N 25-4540, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-260](https://openairdocs.org/model/piper-pa-25-260) (registry code 7102508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19770912028609A](https://openairdocs.org/incident/19770912028609A), Sep 12, 1977: Piper PA25260, Coyanosa, TX, Destroyed

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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