Annual sporting license for Clyde Pangborn issued by the National Aeronautic Association, circa 1932. Includes an identification photograph of Pangborn.
Mechanic's license for Clyde Pangborn issued by the Department of Commerce, Aeronautics Branch, July 15, 1933. Certifies that Pangborn is a licensed airplane and engine mechanic.
Mechanic's license for Clyde Pangborn issued by the Department of Commerce, Aeronautics Branch, July 15, 1935. Certifies that Pangborn is a licensed airplane and engine mechanic. Includes handwritten notes on verso.