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References
- 1 2 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 327. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1
- 1 2 3 "Pawnee Aviation's Chief Completes First Hover Tests". Aero News Network. December 16, 2005. Retrieved April 2, 2015.
- ↑ Pawnee Aviation. "What happened to the "Warrior" helicopter?". Archived from the original on October 13, 2002. Retrieved April 2, 2015.
- ↑ "Pawnee Aviation". Internet Archive Wayback Machine. June 23, 2013. Retrieved April 2, 2015.
- ↑ National Transportation Safety Board (September 28, 2006). "CHI06LA273" . Retrieved April 2, 2015.
- ↑ Federal Aviation Administration (April 2, 2015). "Make / Model Inquiry Results" . Retrieved April 2, 2015.