The first US airline to introduce the MD-80 into service in 1980, Pacific Southwest Airlines took delivery of this one on June 30, 1984. When pictured, USAir had finalized the purchase of PSA and the two airlines merged in 1988. Re-registered N825US in March 1988, the aircraft was retired in August 2002 and stored at Mojave, CA. It went to West Caribbean Airways in as HK-4500 (X) in October 2003, but stored again before the airline ceased flying in 2005.