# NTSB CHI69A0027: Lockheed L-188, N6121, Cleveland, OH, September 6, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 6, 1968
- 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: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 94 uninjured
- Status: Completed, report June 5, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 108129
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69A0027
- Page: https://openairdocs.org/ntsb/CHI69A0027

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0056   68/9/6    CLEVELAND,OHIO      BOEING 720          CR-  0  0  8  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2008                    N7206U              PX-  0  0 47                            46, 14600 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0 39                            302 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CLEVELAND-HOPKINS
        OPERATOR - UNITED AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  STATIC: IDLING ENGINE(S)
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0056   68/9/6    CLEVELAND,OHIO      LOCKHEED L-188      CR-  0  0  3  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2008                    N6121               PX-  0  0 36                            39, 9610 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0 55                            1250 IN TYPE, UNK/NR
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - CLEVELAND-HOPKINS
        OPERATOR - AMERICAN AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        REMARKS- LFT WING TIP HIT RT OUTBOARD PORTION OF WING OF N7206U.
```

## Aircraft 1

- Registration: N6121 (not matched to a registry record)
- Reported make and model: LOCKHEED L-188
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Cleveland-Hopkins

## Aircraft 2

- Registration: [N7206U](https://openairdocs.org/deregistered/N7206U-1976-05-04), registration cancelled 1976-05-04, S/N 17912 (OpenAirDocs)
- Reported make and model: BOEING 720
- Registry model: [Boeing 720-022](https://openairdocs.org/model/boeing-720-022) (registry code 1383810) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Substantial damage
- Airport: Cleveland-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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.