AWS D17.1:2017, Specification for Fusion Welding for Aerospace Applications, is a standard from the American Welding Society (AWS) that provides the requirements for fusion welding and non-destructive examination of aerospace flight hardware as well as non-flight hardware. The standard covers the design, procedure and personnel qualifications, and testing requirements for welded aerospace assemblies. The standard is intended to ensure that welding is done in a consistent and controlled manner in order to produce parts and materials that meet the required specifications and standards. AWS D17.1:2017 is widely used in the aerospace industry as well as other industries that require high-quality welding standards.