# NTSB OAK76FVG65: Cessna T210, N8231M, Grass Valley, CA, April 2, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 2, 1976
- Place: Grass Valley, CA · GRASS VALLEY, CA
- Location: 39.2203° N, 121.0527° W: Placed by OpenAirDocs: center of Grass Valley, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2203&lon=-121.0527&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 24, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153577
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76FVG65
- Page: https://openairdocs.org/ntsb/OAK76FVG65

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0830   76/4/2    GRASS VALLEY,CA     CESSNA T210         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0001                    N8231M              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 29, 3027 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            900 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - NEVADA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          WATSONVILLE,CA              GRASS VALLEY,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- R GR DOWN LOCK FAILED.
```

## Aircraft

- Registration: [N8231M](https://openairdocs.org/deregistered/N8231M-1978-01-19), registration cancelled 1978-01-19, S/N 21059231, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA T210
- Registry model: [Cessna T210K](https://openairdocs.org/model/cessna-t210k) (registry code 2073447) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Nevada County

## 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 19760402009769A](https://openairdocs.org/incident/19760402009769A), Apr 2, 1976: Cessna T210K, Grass Valley, CA, Substantial damage. R gr down lock failed.

## Other investigations on N8231M (3)

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 OAK78FVG08](https://openairdocs.org/ntsb/OAK78FVG08), Oct 30, 1977: Cessna 210 (N8231M), Willows, CA, substantial damage
- [NTSB SEA77DYA07](https://openairdocs.org/ntsb/SEA77DYA07), Oct 27, 1976: Cessna T210K (N8231M), Challis, ID, substantial damage
- [NTSB OAK74DVG11](https://openairdocs.org/ntsb/OAK74DVG11), Sep 4, 1973: Cessna 210K (N8231M), Jackson, 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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