Frontier Airlines Pilot Wing Less than Five Years of Service 2nd Issue
Used Between 1955-1963
Denver, CO 1946-1986
Started as Monarch Air Lines in 1946. Acquired Challenger Airlines in 1949.
Merged with Arizona Airways in 1950 and name changed to Frontier Airlines same
year. Purchased by Continental Airlines in 1986. Frontier II started in 1994.
