# NTSB SEA67D0278: Piper PA-18, N7686D, Butte, MT, February 22, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 22, 1967
- Place: Butte, MT · BUTTE, MT
- Location: 46.0038° N, 112.5347° W: Placed by OpenAirDocs: center of Butte, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.0038&lon=-112.5347&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 9, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 118374
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA67D0278
- Page: https://openairdocs.org/ntsb/SEA67D0278

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0570  67/2/22    BUTTE,MONT          PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 29, 750
        TIME - 1030                    N7686D              PX-  0  0  0  PRACTICE                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SILVER BOW COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DIRT BANK                                 IN FLIGHT: LOW PASS
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        REMARKS- PLT WAS SIMULATING SWATH RUN.
```

## Aircraft

- Registration: [N7686D](https://openairdocs.org/deregistered/N7686D-1968-01-25), registration cancelled 1968-01-25, S/N 18-5909 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Silver Bow County

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.