# NTSB OAK77DVG24: Cessna 180, N91230, Pope Valley, CA, April 17, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 17, 1977
- Place: Pope Valley, CA · POPE VALLEY, CA
- Location: 38.6152° N, 122.4278° W: Placed by OpenAirDocs: center of Pope Valley, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6152&lon=-122.4278&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report May 25, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157308
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVG24
- Page: https://openairdocs.org/ntsb/OAK77DVG24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0634  77/4/17    POPE VALLEY,CA      CESSNA 180          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 21, 351
        TIME - UNK/NR                  N91230              PX-  0  0  4  PARAJUMP-SPORT            TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - POPE VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          POPE VALLEY,CA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DITCHES                                   TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        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                  RELATIVE BEARING OF WIND
          HAZE                                                     LEFT CROSS WIND 248-292 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           70                                                      360
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           8                                                       VFR
        TYPE OF FLIGHT PLAN
          UNKNOWN/NOT REPORTED
        REMARKS- LOOSE GRAVEL ON RUNWAY.
```

## Aircraft

- Registration: [N91230](https://openairdocs.org/aircraft/N91230), registered now, S/N 18052016, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180H](https://openairdocs.org/model/cessna-180h) (registry code 2072618) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pope Valley

## 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 19770417008019A](https://openairdocs.org/incident/19770417008019A), Apr 17, 1977: Cessna 180H, Pope Valley, CA, Substantial damage. Loose gravel on runway.

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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