Abstract The John and Alan Blum Northwest Aviation Collection consists of visual and textual materials related to the lives and careers of John and Alan Blum. John founded the Northwest Air Service Company and Alan served as President after his brother died in a plane crash in 1931.

Contents of the Collection The Earl J. Heroux Pan American Airlines Collection contains visual and textual materials collected by Earl J. Heroux on a trip via Pan Am Clipper to Alaska. Although the materials were collected in 1940, other dates appear, including photographs dated 1927 and 1935. The collection primarily includes 24 black-and-white photographs and 10 photographic postcards. Photographs depict aircraft; including in flight, in harbor, and on the ground. Additional images show aerial views,...

Abstract 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).