# NTSB SEA72FTA07: Piper PA-23, N4081P, Harlowton, MT, August 31, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 31, 1971
- Place: Harlowton, MT · HARLOWTON, MT
- Location: 46.4368° N, 109.8345° W: Placed by OpenAirDocs: center of Harlowton, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.4368&lon=-109.8345&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 25, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164618
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FTA07
- Page: https://openairdocs.org/ntsb/SEA72FTA07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4488  71/8/31    HARLOWTON,MONT      PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1115                    N4081P              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  AGE 21, 1090 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            87 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HARLOWTON
        DEPARTURE POINT             INTENDED DESTINATION
          GREAT FALLS,MONT            CHEYENNE,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- DISTRIBUTOR BLKS ON BOTH MAGS OF L ENG DEFCTV.LNDD IN FLD,L ENG FEATHERED.
```

## Aircraft

- Registration: N4081P (not matched to a registry record)
- Reported make and model: PIPER PA-23
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Harlowton

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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