Claim: The Hawk line, which was manufactured by CGS Aviation, Inc. and introduced 1982, was the first fully enclosed ultralight which includes the Hawk Arrow, Hawk Plus and Hawk Sport.
Evidence: The Hawk line of ultralight aircraft was introduced at Sun 'n Fun, Lakeland, Florida, in March, 1982. The Hawk was the first fully enclosed ultralight, the first with fully strut-braced wings, three-axis controls, a steerable nose or tail wheel and wing flaps. The Hawk series includes the single seat Hawk Arrow, Hawk Plus, Hawk Sport, Hawk Ultra and AG-Hawk.