340A-046 was originally delivered to Express Airlines I as N323PX in March 1986. It then went to Mesaba Airlines in August 1997. It was converted to a freighter and re-registered as N46XJ while with Mesaba, then acquired by Saint-Ex Cargo (Mexico) in January 2007. It received a Mexican registry of XA-STX. In March 2010, it was stored at ROW.
Mahalo to team member Aeros for the top photo. Note the addition of the bright blue variation in place of the lime green on the Saab's livery.