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Our administration offices are open Monday through Friday from 8:00am to 4:30pm.

We can be reached at 815-969-4000 or you may email us at

If you have a question about your flight status or airline policies, please contact the airline directly:

Latest News

Aircraft Sales

Courtesy Aircraft Sales

Courtesy Aircraft is the world’s most experienced broker of warbird and civilian aircraft. Well known in the industry, owner Mark Clark has been an aircraft broker for over 35 years and has sold over 3,000 aircraft to date.  Founded in 1957, Mark is the 2nd generation owner of Courtesy, and specializes in all sorts of warbirds and former military aircraft from trainers to fighters and bombers. He also brokers conventional civilian aircraft, and is a highly accomplished pilot and A&P mechanic.

Courtesy Aircraft Sales

Code 1 Aviation

Code 1 Aviation provides both aircraft brokerage and acquisition consultation services for the warbird community.  Our decades of experience and industry connections help our clients find the jet of their dreams or a new home for the aircraft they have now.

Code 1 Aviation, LLC
(815) 315-9715