"The Great Fighter Fly-Offs: Curtiss vs. Boeing". Wings, Volume 31, Number 1, February 2001. Eden, Paul and Soph Moeng, eds. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002, . External links Air Force Link Aviation Enthusiast Corner March Field Air Museum https://web.archive.org/web/20160304035010/http://www.outerzone.co.uk/plan_files_05/5695/Curtiss_Hawk_16in_Comet_1935.pdf Curtiss P-6E model plan P-06 Single-engined tractor aircraft Curtiss P-06 Biplanes Aircraft first flown in 1927