Narrative:
Engine no. 2 caught fire while enroute at 6000 feet. The crew initiated an emergency descent, during which the engine separated from its mountings. An emergency landing was carried out near Elma. The master and connecting rods had failed, leading to an oil fire in the engine.
PROBABLE CAUSE:
powerplant - engine structure: master and connecting rods
miscellaneous acts,conditions - material failure
FACTORS:
miscellaneous acts,conditions - fire in engine
miscellaneous acts,conditions - oil exhaustion-engine lubrication system
miscellaneous acts,conditions - separation in flight
complete power loss - complete engine failure/flameout-1 engine
accident date: 21-03-1978
type: Convair CV-340-38
registration: N4807C
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 21 March 1978 |
| Time: | 01:45 |
| Type: |  Convair CV-340-38 |
| Operator: | Florida Aircraft Leasing |
| Registration: | N4807C |
| MSN: | 84 |
| First flight: | 1953 |
| Crew: | Fatalities: 0 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 2 |
| Total: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Elma, IA ( United States of America)
|
| Phase: | En route (ENR) |
| Nature: | Domestic Non Scheduled Passenger |
| Departure airport: | Saint Louis (unknown airport), MO, United States of America |
| Minneapolis-St. Paul Metropolitan Airport/Wold-Chamberlain Field, MN (MSP/KMSP), United States of America |
Engine no. 2 caught fire while enroute at 6000 feet. The crew initiated an emergency descent, during which the engine separated from its mountings. An emergency landing was carried out near Elma. The master and connecting rods had failed, leading to an oil fire in the engine.
Probable Cause:
PROBABLE CAUSE:
powerplant - engine structure: master and connecting rods
miscellaneous acts,conditions - material failure
FACTORS:
miscellaneous acts,conditions - fire in engine
miscellaneous acts,conditions - oil exhaustion-engine lubrication system
miscellaneous acts,conditions - separation in flight
complete power loss - complete engine failure/flameout-1 engine
Sources:
» NTSBPhotos
accident date: 21-03-1978
type: Convair CV-340-38
registration: N4807C
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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