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Thanks to the following contributors :
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Bob Allison
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Bill Banks
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Chuck Boie
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Sherm Booen
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Hal Carr
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Karen Dompier
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Bill Engelking
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Jim Hanson
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Nelson Hoffman
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Dee Dee Leverett
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Terry Love
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Terry Kaldahl
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Leo Kohn
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Susan Roberts Littig
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Joyce Victorson May
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Metropolitan Airports Commission
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Minnesota Historical Society
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Mitchell Gallery of Flight
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Dave Moffitt
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Allen Moore
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Dave Moran
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Ron Neitzel
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Hallie Powers
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Ralph "Stub" Roberts
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John Rosenberg
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Bob Smith
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Randy Sohn
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Bill Streicher
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Bud Sweet
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Sue Warner
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Glenn Weibel
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Barb Weldy
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Dick Brown
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Dave DeBace
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Andy Marcellis
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Dale Brinkmeyer
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Skip Powell
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References :
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"Ceiling Unlimited - The Story of North Central Airlines" - by Robert J. Serling
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"The Aircraft of North Central Airlines" - by Terry M. Love
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"The Convairliners Story" - by J.M. Gradidge
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"Aeromoe's U.S. Airline Fleets"
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"The Lockheed Twins" - by Peter J Marson
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"Great Airliner Series - Volume Four - McDonnell Douglas DC-9" - by Terry Waddington
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Webmaster :
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Scott Grieger
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