# NTSB FTW68F0295: Piper PA-25, N6577Z, Dumas, TX, October 13, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 13, 1967
- Place: Dumas, TX · DUMAS, TX
- Location: 35.8620° N, 101.9650° W: Placed by OpenAirDocs: center of Dumas, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8620&lon=-101.9650&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 26, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 113191
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW68F0295
- Page: https://openairdocs.org/ntsb/FTW68F0295

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3651  67/10/13   DUMAS,TEX           PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 45, 2000
        TIME - 0900                    N6577Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO TREAT CROP
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: IGNITION HARNESS,SHIELDING
           POWERPLANT - IGNITION SYSTEM: SWITCHES
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1500                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- IGNITION HARNESS FAULTY. ONE MAGNETO INOP DUE BROKEN SWITCH WIRE.
```

## Aircraft

- Registration: [N6577Z](https://openairdocs.org/deregistered/N6577Z-2013-08-14), registration cancelled 2013-08-14, S/N 25-2131, built 1962 (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: Substantial damage

## Other investigations on N6577Z (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 FTW73FQG07](https://openairdocs.org/ntsb/FTW73FQG07), Jul 24, 1972: Piper PA-25 (N6577Z), Dumas, 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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