ASN Aircraft accident Convair CV-240-0 N94244 Buffalo, NY
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Status:Accident investigation report completed and information captured
Date:Wednesday 20 January 1954
Type:Silhouette image of generic CVLP model; specific model in this crash may look slightly different
Convair CV-240-0
Operator:American Airlines
Registration: N94244
MSN: 88
First flight: 1948
Total airframe hrs:11018
Engines: 2 Pratt & Whitney R-2800-83
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 21
Total:Fatalities: 0 / Occupants: 24
Aircraft damage: Damaged beyond repair
Location:near Buffalo, NY (   United States of America)
Phase: Initial climb (ICL)
Nature:Domestic Scheduled Passenger
Departure airport:Buffalo Municipal Airport, NY (BUF/KBUF), United States of America
Destination airport:Saint Louis (unknown airport), MO, United States of America
Immediately after becoming airborne the no. 1 propeller went into the feathered position. The crew were not able to restart the engine and unfeather the prop. A belly landing was carried out in a small clearing. Weather at the time of the accident included low ceiling, rain showers, turbulent air and gusts to 40 mph.

Probable Cause:

PROBABLE CAUSE: "1) A mechanical failure of the torquemeter boost pump that automatically feathered the left propeller immediately after becoming airborne, and 2) the use of an uncorrect procedure for unfeathering which resulted from the ambiguity of the instruction for unfeathering contained in the company's manual."

Accident investigation:

Investigating agency: CAB
Status: Investigation completed
Accident number: final report
Download report: Final report

» ICAO Accident Digest, Circular 47-AN/42 (46-48)


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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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