Pylon (Aircraft Component)

A close-up of the emergency crew return vehicle — or lifeboat — prototype for the International Space Station. (Image credit: NASA/ Jeff Doughty.)

A wing pylon, in aviation, is a structure that attaches to an aircraft wing to support and mount external equipment like engines or weapons, and it has a historical connection to the Greek word "pyle" meaning "gateway".

Historical Context

• Ancient Origins: The word "pylon" originates from the Greek word "pyle," meaning "gateway".
• Ancient Egypt: In ancient Egypt, pylons were massive, obelisk-shaped towers flanking temple entrances, serving as impressive gateways.
• Modern Aviation: The term "pylon" was adopted in aviation to describe the structure that supports engines or other equipment attached to an aircraft's wings, drawing a parallel to the monumental gateways of ancient times.

Function of a Wing Pylon

Engine Support

Pylons are essential for attaching aircraft engines to the wings, ensuring they are securely mounted and can withstand the forces of flight.

Weapons and External Equipment

Pylons also serve as hardpoints for carrying external weapons, fuel tanks, or other equipment.

Aerodynamic Considerations

Pylon design is crucial for minimizing drag and ensuring smooth airflow around the wing and attached equipment.

Structural Integrity

Pylons must be robust enough to withstand the stresses of flight and the weight of the attached equipment.

Fire Prevention

In civilian aircraft, pylons can play a role in preventing fire from spreading from the engine to the wings in case of a fire near the engine.