# NTSB OAK79DXQ09: Cessna 210, N777GB, Mammoth Lakes, CA, December 29, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 29, 1978
- Place: Mammoth Lakes, CA · MAMMOTH LAKES, CA
- Location: 37.6244° N, 118.9884° W: Placed by OpenAirDocs: center of Mammoth Lakes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6244&lon=-118.9884&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 22, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138501
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DXQ09
- Page: https://openairdocs.org/ntsb/OAK79DXQ09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3917  78/12/29   MAMMOTH LAKES,CA    CESSNA 210          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 895
        TIME - 1815                    N777GB              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 383 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MAMMOTH LAKES,CA
        DEPARTURE POINT             INTENDED DESTINATION
          VAN NUYS,CA                 MAMMOTH LAKES,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
```

## Aircraft

- Registration: N777GB (not matched to a registry record)
- Reported make and model: CESSNA 210
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mammoth Lakes,Ca

## 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 19781229042529A](https://openairdocs.org/incident/19781229042529A), Dec 29, 1978: Cessna 210H, Mammoth Lakes, 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.

---
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.
