Delivered to United Air Lines as CV340-31 N73117 in 1952. To Frontier Airlines and converted to a CV580 in 1966 then to other operators from 1980. To Sierra Pacific Airlines in 1983 then to Metroflight and operated for American Eagle in 1984. Converted to a freighter for DHL as OO-DHG in 1988. Reregistered as EC-943 in 1995 then EC-GDY in 1996. To Skyhaul as ZS-SKG in 2005. Withdrawn from use at Capetown in 2009 and scrapped in 2012.

Delivered to United Air Lines as CV340-31 N73117 in 1952. To Frontier Airlines and converted to a CV580 in 1966 then to other operators from 1980. To Sierra Pacific Airlines in 1983 then to Metroflight and operated for American Eagle in 1984. Converted to a freighter for DHL as OO-DHG in 1988. Reregistered as EC-943 in 1995 then EC-GDY in 1996. To Skyhaul as ZS-SKG in 2005. Withdrawn from use at Capetown in 2009 and scrapped in 2012.

Stored still in the cols of a past operator, Frontier Airlines (the original). To Sierra Pacific Airlines in Mar 83 and Metroflight in Nov 84. To European Air Transport / DHL in Sep 88 as OO-DHG. Later with Swiftair / DHL as EC-GDY. Noted stored Madrid 2005.

Built as a 340-31 for United and later sold to Frontier. Cvtd to 580 in June 1966. Later regns include EC-943 and EC-GDY.