How Airplanes Work Airplanes stay in the air because of lift generated by the wings. True False None The rudder controls an airplane’s altitude. True False None Jet engines work by sucking in air, compressing it, mixing it with fuel, and igniting it. True False None Flaps on the wings are only used during cruising flight. True False None Commercial airliners fly at around 35,000 feet to save fuel and avoid weather. True False None Time's up Most Popular Most Popular
