# NTSB CHI79DA001: Convair CV-600, N74855, Cleveland, OH, October 3, 1978

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: October 3, 1978
- 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: 30 uninjured
- Status: Completed, report February 8, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138163
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79DA001
- Page: https://openairdocs.org/ntsb/CHI79DA001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0023   78/10/3   CLEVELAND,OH        CONVAIR CV-600      CR-  0  0  2  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1820                    N74855              PX-  0  0 28                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - WRIGHT AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,OH                COLUMBUS,OH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - AIR CONDITION,HEATING AND PRESSURIZATION: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE TEMPERATURE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- COCKPIT HEATER BLOWER MOTOR,P/N M4582C-1,BEARING FAILED.
```

## Aircraft

- Registration: [N74855](https://openairdocs.org/deregistered/N74855-2018-01-26), registration cancelled 2018-01-26, S/N 46, built 1948 (OpenAirDocs)
- Reported make and model: CONVAIR CV-600
- Registry model: [Convair 600-240D](https://openairdocs.org/model/convair-600-240d) (registry code 2422660) (OpenAirDocs)
- Registry engine: [Rolls-Royce DART-542 series](https://openairdocs.org/engine/rolls-royce-dart-542-series) (registry code 54522, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Damage: Minor damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19781003031029I](https://openairdocs.org/incident/19781003031029I), Oct 3, 1978: Cvac STC240T, Mt Vernon, OH. Unscheduled landing due to smoke in the cockpit. Smoke was caused by overheated heater blower motor.

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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