# NTSB FTW70AF051: Piper PA-32, N3439W, Nocona, TX, February 12, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 12, 1970
- Place: Nocona, TX · NOCONA, TX
- Location: 33.7836° N, 97.7302° W: Placed by OpenAirDocs: center of Nocona, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7836&lon=-97.7302&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 4 minor
- Status: Completed, report March 19, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 138607
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70AF051
- Page: https://openairdocs.org/ntsb/FTW70AF051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0018  70/2/12    NOCONA,TEX          PIPER PA-32         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 50, 6500
        TIME - 1930                    N3439W              PX-  0  0  4  COMMUTER AIR CARRIER      TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DALLAS,TEX                  ALTUS,OKLA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           POWERPLANT - ACCESSORY DRIVE ASSEMBLY: GEARS,ACCESSORY DRIVE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- L MAG IMPULSE COUPLING CAM,ACCESSSORY GEAR TRAIN FAILED.
```

## Aircraft

- Registration: [N3439W](https://openairdocs.org/deregistered/N3439W-1971-09-14), registration cancelled 1971-09-14, S/N 32-304 (OpenAirDocs)
- Reported make and model: PIPER PA-32
- Registry model: [Piper PA-32-260](https://openairdocs.org/model/piper-pa-32-260) (registry code 7103206) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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