# NTSB OAK65F0004: Mooney M21, N6594U, Lincoln, CA, March 8, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 8, 1965
- Place: Lincoln, CA · LINCOLN, CA
- Location: 38.8779° N, 121.3040° W: Placed by OpenAirDocs: center of Lincoln, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8779&lon=-121.3040&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 18, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179351
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK65F0004
- Page: https://openairdocs.org/ntsb/OAK65F0004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0243   65/3/8    LINCOLN CALIF       MOONEY M21          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N6594U              PX-  0  0  0  DUAL                      AGE 45, 2400 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            252 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LINCOLN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        REMARKS- INOPERATIVE GEAR WARNING HORN
```

## Aircraft

- Registration: [N6594U](https://openairdocs.org/deregistered/N6594U-2015-05-14), registration cancelled 2015-05-14, S/N 2376, built 1962 (OpenAirDocs)
- Reported make and model: MOONEY M21
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lincoln

## Other investigations on N6594U (1)

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 LAX82DA054](https://openairdocs.org/ntsb/LAX82DA054), Jan 28, 1982: Mooney M20C (N6594U), Fowler, 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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