Delivered to Austrian Airlines as OE-LDK in 1975. To Muse Air as N675MC in 1985 who were renamed to Transtar Airlines in 1986 then to Eastern Air Lines in 1987, Continental Air Lines in 1991 and Northwest Airlines in 1992 who merged into Delta Air Lines in 2009. Preserved at the Delta Flight Museum, Atlanta, GA from 2013.

Built in 1975, this DC-9 spent the first ten years based in Europe with Austrian Airlines (OE-LDK "Graz"). Registered N675MC leased to Muse Air / Transtar Airlines 1985 - 87. Next with Eastern Airlines September 1987 until transferred to Continental Airlines in March 1991 after the former shut down in January. Returned to the lessor seven months later. It moved to Northwest Airlines in March 1992 and merged into Delta Airlines fleet in February 2010. Retired in 2013, it lives on preserved at the Delta Air Heritage Museum in Atlanta, GA.