# NTSB DEN71AD003: Beech C50, N7704, Kemmerer, WY, July 31, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 31, 1970
- Place: Kemmerer, WY · KEMMERER, WY
- Location: 41.7785° N, 110.5528° W: Placed by OpenAirDocs: center of Kemmerer, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7785&lon=-110.5528&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 21, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 112845
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71AD003
- Page: https://openairdocs.org/ntsb/DEN71AD003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1472  70/7/31  NR.KEMMERER,WYO       BEECH C50           CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 23, 1264
        TIME - 0640                    N7704               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 315 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CASPER,WYO                  LAS VEGAS,NEV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
        MISSING AIRCRAFT - LATER RECOVERED
        REMARKS- STRUCK MNTN SLOPE IN VFR CONDITIONS.PLT HADNT SLEPT THE NITE PRIOR TO FLT.RECOVERY DATE 8/2/70.
```

## Aircraft

- Registration: [N7704](https://openairdocs.org/deregistered/N7704-2017-02-04), registration cancelled 2017-02-04, S/N CH-182, built 1955 (OpenAirDocs)
- Reported make and model: BEECH C50
- Registry model: [Beech C-50](https://openairdocs.org/model/beech-c-50) (registry code 1152510) (OpenAirDocs)
- Registry engine: [Lycoming GO-480 series](https://openairdocs.org/engine/lycoming-go-480-series) (registry code 41527, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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