# NTSB LAX82FA031: Robertson A185F, N4644E, Lake Oroville, CA, December 23, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 23, 1981
- Place: Lake Oroville, CA · LAKE OROVILLE, CA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 minor
- Status: Completed, report February 19, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 123101
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82FA031
- Page: https://openairdocs.org/ntsb/LAX82FA031

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3346  81/12/23   LAKE OROVILLE,CA    ROBERTSON A185F     CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1615                    N4644E              PX-  1  0  1  PLEASURE/PERSONAL TRANSP  AGE 52, 1900 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            450 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LAKE OROVILLE
        DEPARTURE POINT             INTENDED DESTINATION
          OROVILLE,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-DOWN LANDING IN WATER                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO RETRACT LANDING GEAR
```

## Aircraft

- Registration: [N4644E](https://openairdocs.org/deregistered/N4644E-2012-12-11), registration cancelled 2012-12-11, S/N 18503826, built 1979 (OpenAirDocs)
- Reported make and model: ROBERTSON A185F
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Oroville

## 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 19811223081199A](https://openairdocs.org/incident/19811223081199A), Dec 23, 1981: Cessna A185F, Oroville, CA, Substantial damage, 1 fatal. Pilot failed to raise wheels and aircraft flipped inverted during water landing.

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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