AS9120B, ISO 9001:2015, and FAA AC 0056B ACCREDITED

Aircraft Wings and the Anatomy of Flight

Providing lift and stability, aircraft wings are awe-inspiring structures that showcase a brilliant blend of engineering and design, enabling airplanes to soar with grace and precision. While passengers may not give much thought to the complex components that constitute an aircraft wing, understanding their anatomy can foster a deeper appreciation for the marvel of aviation. To better understand them, we will explore the common parts of aircraft wings, examining crucial elements such as the wing’s skin, main spar, rear spar, and the revolutionary use of carbon fiber.

The Wing Skin

As the outermost layer of the aircraft wing, the wing’s skin acts as a protective shell against external forces and harsh environmental conditions. Typically made from aluminum or composite materials, this skin plays a pivotal role in ensuring the wing’s aerodynamic efficiency. More than that, its smooth surface reduces drag, allowing the airplane to cut through the air with minimal resistance.

The Main Spar

Underneath the wing skin lies the main spar, one of the most critical components of the aircraft wing. The main spar is the primary load-bearing structure that supports the weight of the aircraft during flight. In particular, this apparatus extends from the root to the tip of the wing, connecting the fuselage to the wing's extremities. With this in mind, it is traditionally crafted from aluminum alloys for their strength and durability.

The Rear Spar

As the name suggests, the rear spar complements the main spar, reinforcing the wing's structural integrity. Like the main spar, the rear spar also supports the wing by helping to distribute the load evenly. This combination of the main and rear spars ensures that the wing can withstand various forces experienced during takeoff, landing, and flight.

Carbon Fiber

Carbon fiber has revolutionized the aviation industry, and its implementation in aircraft wings has been a game-changer. Known for its exceptional strength-to-weight ratio, carbon fiber is significantly lighter than traditional materials, such as aluminum, although it does not compromise on strength. This remarkable attribute translates to fuel savings and reduced carbon emissions, which are highly sought-after in aviation.

As an additional advantage, carbon fiber offers much versatility, allowing for innovative wing designs that were once deemed impractical. For example, engineers can create wings with advanced aerodynamic shapes, improving lift and efficiency.


In summary, aircraft wings are a testament to human ingenuity and engineering prowess. The harmonious interaction of the wing’s skin, main spar, rear spar, and advent of carbon fiber has redefined aviation, making air travel safer, more efficient, and environmentally conscious. As an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited enterprise, we at Hardware Orbit are your premier choice as a distribution partner. We invite you to browse our parts catalog or use our optimized search engine to find exact products, keeping in mind that you may initiate the purchasing process at any time using our RFQ service. Get started today, and see how we can serve you as your strategic sourcing partner for all your operational needs.


Recent Twitter Posts

Semiconductor's Certifications and Memberships
The only independent
distributor with a
  • All orders are fulfilled in the USA.
  • All shipments must comply with U.S.A export laws.
  • No exceptions.
Fallen Heroes Fund

“We Proudly Support Intrepid Fallen Heroes Fund that serves United States Military Personal experiencing the Invisible Wounds of War : Traumatic Brain Injury (TBI) and Post Traumatic Stress (PTS). Please visit website ( and help in their valiant effort”.

Thank You for Visiting.

We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.

Request for Quote