Where are external fuel tanks typically mounted on an aircraft?

• A. On the horizontal stabilizers
• B. To the tail section only
• C. On pylons under the wings and centerline of the fuselage
• D. Inside the fuselage only

Answer: (C)

External fuel tanks are typically mounted on pylons under the wings and along the centerline of the fuselage. This location is chosen for several reasons.

First, mounting tanks under the wings allows for optimal aerodynamics and stability during flight, as the tanks maintain the center of gravity of the aircraft while distributing additional weight evenly. This positioning also makes it easier to access the tanks for refueling and maintenance.

Second, placing tanks along the centerline of the fuselage can aid in reducing drag and maintaining the integrity of the aircraft's structure. It provides a secure mounting point, ensuring that the tanks remain stable and safe throughout a range of operational conditions.

In contrast, options that suggest mounting tanks on horizontal stabilizers or exclusively on the tail section would lead to imbalances in weight distribution, potentially compromising flight safety and performance. Mounting solely inside the fuselage would also limit the aircraft's range and fuel capacity without providing the benefits of external fuel tanks. Thus, the correct choice reflects the practical and safety considerations of aircraft design and fuel management.