# NTSB UNK64X1438: Lockheed L-188, N125US, Cleveland, OH, April 24, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 24, 1964
- Place: Cleveland, OH · CLEVELAND, OH
- Location: 41.4995° N, 81.6954° W: Placed by OpenAirDocs: center of Cleveland, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.4995&lon=-81.6954&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 6 minor, 78 uninjured
- Status: Completed, report January 29, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 185604
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1438
- Page: https://openairdocs.org/ntsb/UNK64X1438

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0055  64/4/24    CLEVELAND OHIO      LOCKHEED L-188      CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1855                    N125US              PX-  0  0 77                            43, 17195 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            852 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HOPKINS
        OPERATOR - NORTHWEST AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        REMARKS- GEAR DOWN DETENT WORN, SELECTOR CABLE IMPROPERLY RIGGED AND GEAR SELECTOR CAM RETENTION NUT LOOSE.
```

## Aircraft

- Registration: [N125US](https://openairdocs.org/deregistered/N125US-1995-08-09), registration cancelled 1995-08-09, S/N 188C1101 (OpenAirDocs)
- Reported make and model: LOCKHEED L-188
- Registry model: [Lockheed 188C](https://openairdocs.org/model/lockheed-188c) (registry code 5262604) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Hopkins

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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