# NTSB CHI66F0005: Aero Cmdr 680, N6815S, Cleveland, OH, June 21, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 21, 1965
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report August 9, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177412
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66F0005
- Page: https://openairdocs.org/ntsb/CHI66F0005

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1459  65/6/21    CLEVELAND OHIO      AERO CMDR 680       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 43, 1528
        TIME - 1425                    N6815S              PX-  0  0  5  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- FATIGUE FAILURE OF NO 4 CLYINDER
```

## Aircraft

- Registration: [N6815S](https://openairdocs.org/deregistered/N6815S-2013-08-05), registration cancelled 2013-08-05, S/N 680-321-15, built 1956 (OpenAirDocs)
- Reported make and model: AERO CMDR 680
- Registry model: [Aero Commander 680](https://openairdocs.org/model/aero-commander-680) (registry code 0141602) (OpenAirDocs)
- Registry engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

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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