ASN Aircraft accident Douglas DC-6 NC90733 Cambray, NM
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Status:Accident investigation report completed and information captured
Date:Friday 3 December 1948
Type:Silhouette image of generic DC6 model; specific model in this crash may look slightly different
Douglas DC-6
Operator:American Airlines
Registration: NC90733
MSN: 43038/69
First flight: 1947
Crew:Fatalities: 0 / Occupants:
Passengers:Fatalities: 0 / Occupants:
Total:Fatalities: 0 / Occupants:
Aircraft damage: Minor
Aircraft fate: Repaired
Location:near Cambray, NM (   United States of America)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Dallas-Love Field, TX (DAL/KDAL), United States of America
Destination airport:Tucson International Airport, AZ (TUS/KTUS), United States of America
The airplane departed Dallas for Tucson at 16:56 to cruise at 18,000 feet. After reaching cruising altitude, the flight proceeded in a routine manner until approximately 19:50, at which time the crew felt a severe jolt when the no. 4 engine separated from its mountings. The nacelle caught fire which was quickly extinguished. Unable to determine the extent of the damage in the nacelle, the crew elected to make an emergency landing at the nearest field, which was at the CAA Auxiliary Field, Columbus, New Mexico. This was accomplished without further incident at 20:10.

Probable Cause:

PROBABLE CAUSE: "Fatigue failure of the propeller blade resulting from circumferential indentation induced on the inside surface of the blade shank during manufacture."

Accident investigation:

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

Engine separation
Forced landing on runway

» CAB Accident Investigation Report


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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Dallas-Love Field, TX to Tucson International Airport, AZ as the crow flies is 1314 km (822 miles).

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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