Aircraft space ship blue exhaust jet An aircraft is a machine that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. Journal · 08 · 09+♥ 40 Last update at 09 · 08 · by milo ‧‧‧ One of 7738Aircraft More in AircraftMore in Wallpaper Home Aircraft > Wallpaperspace ship blue exhaust jet PIFTW