# NTSB OAK79DVG09: Cessna 150, N9124U, Grass Valley, CA, December 31, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 31, 1978
- 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 February 28, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DVG09
- Page: https://openairdocs.org/ntsb/OAK79DVG09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4112  78/12/31   GRASS VALLEY,CA     CESSNA 150          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 67 TOTAL
        TIME - 1230                    N9124U              PX-  0  0  0  PRACTICE                  HOURS, 61 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NEVADA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          GRASS VALLEY,CA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PLT RPTD STRONG GUST OF WIND DURING TOUCHDOWN.
```

## Aircraft

- Registration: [N9124U](https://openairdocs.org/aircraft/N9124U), registered now, S/N 15078075, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Registry engine: [Lycoming O-320-E2D](https://openairdocs.org/engine/lycoming-o-320-e2d) (registry code 42123, 4 cycle) (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 19781231041839A](https://openairdocs.org/incident/19781231041839A), Dec 31, 1978: Cessna A150K, Grass Valley, CA, Substantial damage. Plt rptd strong gust of wind during touchdown.

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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