ASN Aircraft accident Convair CV-340-35 N90853 Midland, TX
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Status:Accident investigation report completed and information captured
Date:Tuesday 16 March 1954
Time:08:38
Type:Silhouette image of generic CVLP model; specific model in this crash may look slightly different
Convair CV-340-35
Operator:Continental Air Lines
Registration: N90853
MSN: 44
First flight: 1953
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 8
Total:Fatalities: 0 / Occupants: 11
Aircraft damage: Damaged beyond repair
Location:4 km (2.5 mls) NE of Midland, TX (   United States of America)
Phase: Initial climb (ICL)
Nature:Domestic Scheduled Passenger
Departure airport:Midland Air Terminal, TX (MAF/KMAF), United States of America
Destination airport:Kansas City (unknown airport), MO, United States of America
Flightnumber: 46
Narrative:
Reaching a height of 75 feet after takeoff severe vibration was experienced. The aircraft then entered a nose down attitude. The flight crew could barely prevent the Convair from diving into the ground; they managed to carry out a belly landing in barren field.

Probable Cause:

PROBABLE CAUSE: "Loss of control due to a failure of the right elevator trim tab push-pull rod caused by a reversed installation of the right elevator trim tab idler as a result of the carriers reliance on Manufacturers Illustrated Parts Catalog as a maintenance reference."

Accident investigation:

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

Sources:
» ICAO Accident Digest, Circular 47-AN/42 (86-87)
» WCAA 2nd ed. / C.Y. Kimura


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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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