Delivered to Swissair as HB-IBA in 1951. To Sterling Airways as OY-EAO in 1962. Sold as N515EA in 1973. To Sis-Q Flying Service as N999SQ in 1976 and converted to a fire bomber. To Macavia International in 1985 then to T & G Aviation in 1991 and Everts Air Fuel in 1994 and used for parts at Fairbanks. Nose section preserved. The rest of the fuselage remained in Everts storage yard.

This former Sis-Q and Macavia DC-6B was acquired by Everts for parts and has sat atop this ice cream shop, Pikes Aviation Greenhouse & Sweets, for quite a few years.

Still with Macavia titles (on nose) but in fact owned by Everts Air Fuel as a source of spares.

Note that although still with Macavia titles, the aircraft was by this time owned by T&G Aviation.

Delivered new to Swissair as HB-IBA in June 1951. Converted to tanker and operated by Macavia from May 1985 until February 1991.