# NTSB FTW71DQG65: Piper PA-25, N6907Z, Spearman, TX, April 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 6, 1971
- Place: Spearman, TX · SPEARMAN, TX
- Location: 36.1982° N, 101.1943° W: Placed by OpenAirDocs: center of Spearman, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1982&lon=-101.1943&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 20, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160410
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71DQG65
- Page: https://openairdocs.org/ntsb/FTW71DQG65

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1140   71/4/6    SPEARMAN,TEX        PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N6907Z              PX-  0  0  0  AERIAL APPLICATION        AGE 37, 8517 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SPEARMAN,TEX                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           FIRE OR EXPLOSION: ON GROUND                             LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           MISCELLANEOUS ACTS,CONDITIONS - *ERROR-INVALID CODE*
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  3100                SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- ENG QUIT DURING SWATH RUN,FIRE BROKE OUT ON LDG FROM COCKPIT FWD.
```

## Aircraft

- Registration: [N6907Z](https://openairdocs.org/deregistered/N6907Z-2017-02-04), registration cancelled 2017-02-04, S/N 25-2647, built 1964 (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: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N6907Z (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 FTW66F0250](https://openairdocs.org/ntsb/FTW66F0250), Aug 26, 1965: Piper PA-25 (N6907Z), Bradford, AR, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
