# NTSB SEA71DDG08: Cessna 172, N84748, Butte, MT, August 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 5, 1970
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report June 4, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 111393
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DDG08
- Page: https://openairdocs.org/ntsb/SEA71DDG08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3274   70/8/5    BUTTE,MONT          CESSNA 172          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0800                    N84748              PX-  0  0  0  DUAL                      AGE 28, 338 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            175 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SILVERBOW COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          BUTTE,MONT                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- IP CUT MIXTURE TO SIMULATE ENG FAILURE. UN RESTART ENG. LNDD ON GOLF COURSE.
```

## Aircraft

- Registration: [N84748](https://openairdocs.org/aircraft/N84748), registered now, S/N 17258600, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Silverbow 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.

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