Cancelled order for Northwest Orient Airlines as N806US. Delivered to Trans Caribbean Airways as N8780R in 1961. To Eastern Airlines in 1964 then to Interswede Aviation in SE-DCR in 1971. Returned to Eastern Airlines as N8780R in 1972. To Kar-Air Finland as OH-KDM in 1972. Withdrawn from use at Brussels in 1985 and scrapped in 1986.