# NTSB UNK65X0640: Cessna 172, N6831X, Gualala, CA, November 10, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 10, 1964
- Place: Gualala, CA · GUALALA, CA
- Location: 38.8428° N, 123.6201° W: Placed by OpenAirDocs: center of Gualala, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8428&lon=-123.6201&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 4, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181034
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0640
- Page: https://openairdocs.org/ntsb/UNK65X0640

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3460  64/11/10   GUALALA CALIF       CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0800                    N6831X              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 44, 4136 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            150 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GUALALA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAXI: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - STARTED ENGINE WITHOUT PROPER ASSISTANCE/EQUIPMENT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- AIRCRAFT ROLLED OVER CLIFF INTO OCEAN. PILOT PROPPED ENGINE WITH AIRCRAFT UNOCCUPIED.
```

## Aircraft

- Registration: [N6831X](https://openairdocs.org/deregistered/N6831X-1964-12-21), registration cancelled 1964-12-21, S/N 47731, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172A](https://openairdocs.org/model/cessna-172a) (registry code 2072404) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Gualala

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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