Which are the three main parts of a fixed-wing aircraft?

• A. Fuselage, wings, and tail/empennage
• B. Nose, wings, landing gear
• C. Cockpit, engines, tail
• D. Fuselage, canards, vertical stabilizer

Answer: (A)

The main concept here is the basic three-part structure that most fixed-wing aircraft are built around: the fuselage, the wings, and the tail assembly (empennage). The fuselage is the central body that houses the crew, passengers, cargo, and most system components. The wings provide lift, forming the primary lifting surface and also carrying important structural loads. The tail assembly, including the horizontal stabilizer and vertical stabilizer, gives stability and houses control surfaces (like the elevator and rudder) that control pitch and yaw.

Why this is the best answer: it names the three fundamental sections that define the aircraft’s basic architecture and flight-capable framework. The other options mix components that aren’t universally regarded as the three main parts—for example, the nose is part of the fuselage but not a separate primary section; engines are critical for propulsion but are not one of the main structural sections; and while canards or specific tail configurations appear on some designs, they’re not the standard three-part breakdown used in most explanations of fixed-wing aircraft structure.