Aircraft covering fabrics are made from which two types of materials?

The correct answer identifies that aircraft covering fabrics are primarily made from organic materials and synthetic materials. Organic materials, such as cotton and silk, have been historically used in aircraft coverings because of their light weight and good strength-to-weight ratio. These materials also have the ability to be woven tightly, providing a good surface finish and flexibility for aircraft designs.

Synthetic materials, such as polyester and nylon, are now favored for their durability, resistance to weathering, and better performance in terms of strength and longevity compared to traditional organic materials. The advancements in synthetic fabrics have enhanced the overall performance of aircraft coverings, making them more resilient to environmental factors and improving their lifespan.

Understanding this combination of materials is essential for maintenance, repair, and the overall design of aircraft fabrics, ensuring they meet safety and performance standards.