1/72 Su-33 Flanker D Bort 78HOB HA6408 Hobby Master 1: 72 Su 33 Flanker D Bort 78, 1st Aviation Squadron, 279th Shipborne Fighter Aviation Regiment, Russian Navy, 2016 In 1985 the approval was given for a naval variant of the Su 27 that would provide air superiority for its aircraft carriers. The new aircraft was designated Su 27 (K = Korabelny, Ship Borne) with a factory designation of T 10K which would later become Su 33, NATO Flanker D. Canards were added, strengthened frame