Delivered to Japan Air System in March 1988 as JA8550. To Harlequin Air in December 1997. To Northwest Airlines in March 2000. To Omni Air in October 2006 as N522AX. Withdrawn from use and stored at Goodyear in February 2012. Stored at Oscoda in January 2014. To 10 Tanker Air Carrier in August 2014 and converted to Super Tanker.