# NTSB OAK66D0213: Stinson 108-2, N9305K, Concord, CA, April 10, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 10, 1966
- Place: Concord, CA · CONCORD, CA
- Location: 37.9722° N, 122.0016° W: Placed by OpenAirDocs: center of Concord, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9722&lon=-122.0016&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 5, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172545
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66D0213
- Page: https://openairdocs.org/ntsb/OAK66D0213-172545

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0622  66/4/10    CONCORD CALIF       STINSON 108-2       CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 42, 37 TOTAL
        TIME - 1100                    N9305K              PX-  0  0  0  PRACTICE                  HOURS, 23 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BUCHANAN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
```

## Aircraft

- Registration: [N9305K](https://openairdocs.org/deregistered/N9305K-1969-12-19), registration cancelled 1969-12-19, S/N 108-2305, built 1947 (OpenAirDocs)
- Reported make and model: STINSON 108-2
- Registry model: [Stinson 108-2](https://openairdocs.org/model/stinson-108-2) (registry code 9230406) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Buchanan

## Other investigations on N9305K (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 OAK70F0103](https://openairdocs.org/ntsb/OAK70F0103), Sep 1, 1969: Stinson 108-2 (N9305K), Stockton, CA, substantial damage

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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