What is the primary function of an aircraft fuselage?

The primary function of an aircraft fuselage is to house crew, passengers, and cargo. The fuselage serves as the central body of the aircraft, where all personnel and cargo are accommodated during flight. It is designed to provide a safe and comfortable environment for those on board, ensuring sufficient space and structural integrity.

Additionally, the fuselage plays a critical role in connecting various aircraft components, such as the wings, tail, and engines, which are crucial for overall aircraft stability and control. While the fuselage contributes to aerodynamics, supports the weight of the wings, and provides mounting points for the engines, its main purpose remains to provide the necessary space and protection for those and the things being transported.