Aspen Airways (IATA: AP, ICAO: ASP, Call sign: Aspen Air) was a former airline carrier and regional affiliate of United Express and based in Hangar 5 in Stapleton International Airport in Denver, Colorado. It ceased operations in 1989 when it was acquired by Mesa Airlines and Air Wisconsin Services, Inc.
Read more about Aspen Airways: History, Final Fleet & Replacement Air Service At Aspen, Colorado