# NTSB SEA69D0034: Boeing A75N1, N5150N, Wilsall, MT, July 1, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 1, 1968
- Place: Wilsall, MT · WILSALL, MT
- Location: 45.9843° N, 110.6604° W: Placed by OpenAirDocs: center of Wilsall, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.9843&lon=-110.6604&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 16, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109590
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69D0034
- Page: https://openairdocs.org/ntsb/SEA69D0034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3553   68/7/1    WILSALL,MONT        BOEING A75N1        CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 0530                    N5150N              PX-  0  0  0  FERRY                     AGE 33, 679 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            18 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: FENCE,FENCEPOSTS                          TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           TERRAIN - WET,SOFT GROUND
        REMARKS- ATTEMPTED TAKEOFF FROM MUDDY RANCH FLD IN CLOSE PROXIMITY TO LINE FENCE.
```

## Aircraft

- Registration: [N5150N](https://openairdocs.org/aircraft/N5150N), registered now, S/N 75-6897, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (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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