United Airlines Channel 9: https://www.flyertalk.com/forum/united-airlines-mileageplus/726789-consolidated-interesting-things-heard-channel-9-thread-merged.html
United Airlines ad from 1990: https://www.youtube.com/watch/mU2rpcAABbA
TRACON-II PC game: https://en.wikipedia.org/wiki/Tracon_II
National Transportation Safety Board: https://en.wikipedia.org/wiki/National_Transportation_Safety_Board
Who Owns the Sky?: The Struggle to Control Airspace from the Wright Brothers On by Stuart Banner: https://www.goodreads.com/book/show/6402086-who-owns-the-sky
Turbulent Skies by T. A. Heppenheimer: https://www.goodreads.com/book/show/1492469.Turbulent_Skies
Hard Landing by Thomas Petzinget: https://www.goodreads.com/book/show/438607.Hard_Landing
SKYGODS: The Fall of Pan Am by Robert Gandt: https://www.goodreads.com/book/show/13010881-skygod
Deregulation Knockouts: Round One by Tom Norwood: https://www.goodreads.com/book/show/4718255-deregulation-knockouts