# NTSB OAK71DVM05: Cessna 172, N8768U, Simmler, CA, July 29, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 29, 1970
- Place: Simmler, CA · SIMMLER, CA
- Location: 35.3514° N, 119.9871° W: Placed by OpenAirDocs: center of Simmler, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3514&lon=-119.9871&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 22, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 109580
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DVM05
- Page: https://openairdocs.org/ntsb/OAK71DVM05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3096  70/7/29    SIMMLER,CALIF       CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 40, 1100
        TIME - 1300                    N8768U              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JOHN BRYANT RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          CALIF.VALLEY,CALIF          SIMMLER,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
```

## Aircraft

- Registration: [N8768U](https://openairdocs.org/aircraft/N8768U), registered now, S/N 17252672, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172F](https://openairdocs.org/model/cessna-172f) (registry code 2072414) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: John Bryant Ranch

## Other investigations on N8768U (1)

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.

- [NTSB CEN23LA067](https://openairdocs.org/ntsb/CEN23LA067), Dec 21, 2022: Cessna 172F (N8768U), Auburn Hills, MI, substantial damage. Probable cause: The catastrophic engine failure due to lack of oil lubrication, which resulted from the pilot’s failure to follow the airplane and engine manufacturers’ guidance for cold weather operation.

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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