# NTSB OAK76DVD13: Stinson 108, N97249, Willets, CA, September 19, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 19, 1975
- Place: Willets, CA · WILLETS, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 22, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150813
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVD13
- Page: https://openairdocs.org/ntsb/OAK76DVD13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2763  75/9/19    WILLETS,CA          STINSON 108         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 339
        TIME - 0900                    N97249              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 38 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          UKIAH,CA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT GR FAILED.NO VALVE ACTION.
```

## Aircraft

- Registration: [N97249](https://openairdocs.org/deregistered/N97249-1976-05-28), registration cancelled 1976-05-28, S/N 108-249 (OpenAirDocs)
- Reported make and model: STINSON 108
- Registry model: [Stinson 108](https://openairdocs.org/model/stinson-108) (registry code 9230402) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750919030489A](https://openairdocs.org/incident/19750919030489A), Sep 19, 1975: Univar 108, Willets, CA, Substantial damage. Crankshaft gr failed. No valve action.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.