(9B)[ "Amateur-built aircraft" means an aircraft, the major portion (minimum 51%) of which has been fabricated and assembled by person or persons who undertook the construction project solely for their own education, research and development, sports or recreation;] [Inserted by Notification No. G.S.R. 1358(E), dated 01.11.2017 (w.e.f. 23.3.1937).]
