# NTSB SEA71FDA05: Stinson 108-2, N454C, Red Lodge, MT, August 17, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 17, 1970
- Place: Red Lodge, MT · RED LODGE, MT
- Location: 45.1933° N, 109.2501° W: Placed by OpenAirDocs: center of Red Lodge, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1933&lon=-109.2501&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report June 17, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 191849
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FDA05
- Page: https://openairdocs.org/ntsb/SEA71FDA05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3511  70/8/17    RED LODGE,MONT      STINSON 108-2       CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 41, 186
        TIME - 0857                    N454C               PX-  0  2  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 120 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RED LODGE
        DEPARTURE POINT             INTENDED DESTINATION
          RED LODGE,MONT              GREAT FALLS,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           WEATHER - DOWNDRAFT,UPDRAFTS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          HAZE                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          215                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- PLT RPRTD LOSS IN RPM DRG TURN AFTR TKOF.DENS ALT APRX 7400FT.MTNS SW OF ARPT.
```

## Aircraft

- Registration: [N454C](https://openairdocs.org/deregistered/N454C-1971-10-01), registration cancelled 1971-10-01, S/N 108-3454 (OpenAirDocs)
- Reported make and model: STINSON 108-2
- Registry model: [Universal Stinson 108-2](https://openairdocs.org/model/universal-stinson-108-2) (registry code 9230416) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Red Lodge

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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