The collection relates to the World War II experience of Dwayne W. McLeod, who served as a mechanic during the war. Materials include Boeing School of Aeronautics notes and training documents, a Flight Officer's checklist for the DC-3, aviation decals, and an airmail envelope.

Ralph James Moore (1909-1963) graduated from the Boeing School of Aeronautics in 1931, was a member of the Army Air Corps during the 1930s, and worked with the Civil Aeronautics Board through the 1930s and 1940s. The collection consists of manuscripts, maps, photographs, and clippings collected by Moore during his career in the Army Air Forces. The majority of the collection is comprised of Aircraft Accident Reports from the Civil Aeronautics Authority (CAA).