Aircraft UPS Cargo airplane 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 · 10 · 12+♥ 314 Last update at 12 · 10 · by milo ‧‧‧ One of 5499Aircraft More in Aircraft Home AircraftUPS Cargo airplane PIFTW