# NTSB OAK66A0027: Hughes 269A, N8823F, Sonoma, CA, December 14, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 14, 1965
- Place: Sonoma, CA · SONOMA, CA
- Location: 38.2903° N, 122.4598° W: Placed by OpenAirDocs: center of Sonoma, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2903&lon=-122.4598&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 30, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174973
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0027
- Page: https://openairdocs.org/ntsb/OAK66A0027

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0977  65/12/14   SONOMA CALIF        HUGHES 269A         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N8823F              PX-  0  0  0  DUAL                      AGE 27, 180 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            94 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SONOMA VALLEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
          PILOT-IMPROPERLY EXECUTED AUTOROTATIVE LANDING.
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
```

## Aircraft

- Registration: [N8823F](https://openairdocs.org/aircraft/N8823F), registered now, S/N 0167 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sonoma Valley

## Other investigations on N8823F (3)

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.

- [NTSB ATL88LA249](https://openairdocs.org/ntsb/ATL88LA249), Sep 5, 1988: Hughes 269A (N8823F), Saluda, SC, substantial damage
- [NTSB CHI76DEC11](https://openairdocs.org/ntsb/CHI76DEC11), Sep 14, 1975: Hughes 269A (N8823F), Howell, MI, substantial damage
- [NTSB MKC75FCD29](https://openairdocs.org/ntsb/MKC75FCD29), Dec 30, 1974: Hughes 269A (N8823F), Bettendorf, IA, destroyed

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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