# NTSB OAK69D0133: Navion B, N4021K, Antioch, CA, September 3, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 3, 1968
- Place: Antioch, CA · ANTIOCH, CA
- Location: 37.9784° N, 121.7983° W: Placed by OpenAirDocs: center of Antioch, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9784&lon=-121.7983&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 30, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108181
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69D0133
- Page: https://openairdocs.org/ntsb/OAK69D0133

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3040   68/9/3    ANTIOCH,CALIF       NAVION B            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1630                    N4021K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 38, 2200 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            27 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ANTIOCH
        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)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
```

## Aircraft

- Registration: [N4021K](https://openairdocs.org/aircraft/N4021K), registered now, S/N NAV41021 (OpenAirDocs)
- Reported make and model: NAVION B
- Registry model: [North American NAVION](https://openairdocs.org/model/north-american-navion) (registry code 6150130) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Antioch

## Other investigations on N4021K (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 SEA92LA062](https://openairdocs.org/ntsb/SEA92LA062), Mar 16, 1992: North American Navion (N4021K), Elbe, WA, destroyed. Probable cause: FUEL STARVATION, IMPROPER FUEL, IMPROPER AIRCRAFT SERVICING (FUELING), AND CLEARANCE NOT POSSIBLE. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: NO SUITABLE TERRAIN, LOW CEILINGS, DUSK AND TREES.

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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