# NTSB UNK64X0707: Lockheed 10A, N227M, Columbus, OH, February 27, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 27, 1964
- Place: Columbus, OH · COLUMBUS, OH
- Location: 39.9612° N, 82.9988° W: Placed by OpenAirDocs: center of Columbus, OH, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9612&lon=-82.9988&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185276
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0707
- Page: https://openairdocs.org/ntsb/UNK64X0707

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0476  64/2/27    COLUMBUS OHIO       LOCKHEED 10A        CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1700                    N227M               PX-  0  0  3  AIR TAXI-PASSG            46, 13100 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            300 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N227M](https://openairdocs.org/deregistered/N227M-1970-09-04), registration cancelled 1970-09-04, S/N 1072, built 1936 (OpenAirDocs)
- Reported make and model: LOCKHEED 10A
- Registry model: [Lockheed ELECTRA 10-A](https://openairdocs.org/model/lockheed-electra-10-a) (registry code 5261302) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N227M (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 CHI69A0023](https://openairdocs.org/ntsb/CHI69A0023), Aug 25, 1968: Lockheed 10A (N227M), Painesville, OH, 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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