# NTSB UNK64X0211: Fairchild F-27, N4304F, St Louis, MO, January 11, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 11, 1964
- Place: St Louis, MO · ST LOUIS, MO
- Location: 38.6273° N, 90.1979° W: Placed by OpenAirDocs: center of St. Louis, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6273&lon=-90.1979&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 15, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 113845
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0211
- Page: https://openairdocs.org/ntsb/UNK64X0211

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0009  64/1/11    ST LOUIS MO         FAIRCHILD F-27      CR-  0  0  2  FERRY                     AIRLINE TRANSPORT, AGE
        TIME - 2017                    N4304F              PX-  0  0  0                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LAMBERT FIELD
        OPERATOR - OZARK AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
```

## Aircraft

- Registration: N4304F (not matched to a registry record)
- Reported make and model: FAIRCHILD F-27
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Lambert Field

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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