# NTSB DEN69D0073: Cessna 140, N5686C, Grass Creek, WY, August 14, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 14, 1968
- Place: Grass Creek, WY · GRASS CREEK, WY
- Location: 43.9402° N, 108.6485° W: Placed by OpenAirDocs: center of Grass Creek, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.9402&lon=-108.6485&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 11, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109079
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN69D0073
- Page: https://openairdocs.org/ntsb/DEN69D0073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2149  68/8/14    GRASS CREEK,WYO     CESSNA 140          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 72 TOTAL
        TIME - 0615                    N5686C              PX-  0  0  0  BUSINESS                  HOURS, 58 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SAW MILL STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           TERRAIN - ROUGH/UNEVEN
```

## Aircraft

- Registration: [N5686C](https://openairdocs.org/deregistered/N5686C-2018-02-15), registration cancelled 2018-02-15, S/N 15642, built 1950 (OpenAirDocs)
- Reported make and model: CESSNA 140
- Registry model: [Cessna 140A](https://openairdocs.org/model/cessna-140a) (registry code 2071604) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Saw Mill Strip

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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