# NTSB SEA71FDG07: Luscombe 8F, N1995B, Butte, MT, August 2, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 2, 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 8, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 188089
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FDG07
- Page: https://openairdocs.org/ntsb/SEA71FDG07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3347   70/8/2    BUTTE,MONT          LUSCOMBE 8F         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 200
        TIME - 0630                    N1995B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 20 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SILVER BOW COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          BUTTE,MONT                  DILLON,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE,NONE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PIECE OF CARBON FOUND ON FACE OF OIL PRESSURE RELIEF VALUE PLUNGER.
```

## Aircraft

- Registration: [N1995B](https://openairdocs.org/deregistered/N1995B-1971-03-23), registration cancelled 1971-03-23, S/N 6422 (OpenAirDocs)
- Reported make and model: LUSCOMBE 8F
- Registry model: [Luscombe 8F](https://openairdocs.org/model/luscombe-8f) (registry code 8190114) (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; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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