Definition: Aviations are a type of aircraft that uses an engine to generate flight power. They are commonly used for long-distance flights and can be equipped with various types of engines, including jet, turboprop, piston, and propeller-driven engines. Aviations are also known as helicopters or rotorcraft. They use the lift provided by their wings to move through the air and have a fixed-wing design that includes two main sections: the fuselage (the part below the wing) and the tail section