# NTSB OAK77DVG48: Cessna 177RG, N1851Q, Grass Valley, CA, July 1, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 1, 1977
- 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: 2 uninjured
- Status: Completed, report August 11, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147638
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVG48
- Page: https://openairdocs.org/ntsb/OAK77DVG48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1417   77/7/1    GRASS VALLEY,CA     CESSNA 177RG        CR-  0  0  1  INSTRUCTIONAL             PRIVATE, AGE 56, 309
        TIME - 1145                    N1851Q              PX-  0  0  1  DUAL                      TOTAL HOURS, 91 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - NEVADA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
           SAN JOSE,CA                GRASS VALLEY,CA
        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 - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           WEATHER - SUDDEN WINDSHIFT
        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                  TEMPERATURE-F
          NONE                                                      75
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: N1851Q (not matched to a registry record)
- Reported make and model: CESSNA 177RG
- 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 19770701018469A](https://openairdocs.org/incident/19770701018469A), Jul 1, 1977: Cessna 177RG, Grass Valley, 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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