Mechanic's license for William Hough Cook, Jr., issued by the Federal Aviation Administration, March 28, 1980. Certifies Cook as a mechanic and authorizes him to work on airframe powerplants.
Pilot's license for William Hough Cook, Jr., issued by the Federal Aviation Administration, January 29, 1975. Certifies Cook as a private pilot and authorizes him to operate single and multiengine airplanes over land and sea.
National Aeronautic Association of U.S.A., glider's certificate for William H. Cook, Jr., August 5, 1935. Certificate is bound in a red leather cover and includes an identification photograph of Cook.Title on cover: "Federation Aeronautique…
Engineering license for William H. Cook, Jr., issued by the Washington State Department of Licenses, January 1, 1948. Authorizes Cook to practice as a professional engineer, qualified in aeronautical engineering.