Naval Air Factory (NAF) PN-7 and Crew thejivebombers Naval Aviation Pre-war January 29, 2018November 19, 2023 1 Minute May 1924. An open cockpit flying boat, NAF’s PN series of aircraft were widely used by the navy in the 1920’s. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 29, 2018November 19, 2023