The 3X55 Trener (Trainer) and 3X47 Ultra are a family of ultralight civil aircraft produced in Poland by the 3Xtrim Aircraft Factory. Both are two-seat high-wing strut-braced monoplanes with fixed tricycle undercarriage and available only as completed aircraft. There are also 450 Ultra and 495 Ultra Plus sub-variants of the 3X47 Ultra with gross weights adjusted for national ultralight regulations.
Made by 3Xtrim Aircraft Factory3.