Boeing P-12

P-12 / F4B
Boeing P-12E at the National Museum of the United States Air Force, in markings of 6th Pursuit Squadron, 18th PG, Wheeler Field, Hawaii
General information
Type	Fighter aircraft
Manufacturer	Boeing Aircraft Company
Primary users	United States Army Air Corps United States Navy Philippine Army Air Corps Royal Thai Air Force
Number built	586[1] 366 P-12 187 F4B 33 demonstrators and exports
History
Manufactured	1929–1932
Introduction date	1930
First flight	25 June 1928
Retired	1949 (Brazilian Air Force)[2]

The Boeing P-12 or Boeing F4B is an American pursuit aircraft that was operated by the United States Army Air Corps, United States Marine Corps, and United States Navy. It was the chief fighter aircraft in American service during the early 1930s but also used internationally. By the late 1930s it was replaced in front-line duty by newer designs, but it was still used for training into the early 1940s. Many variants of the aircraft were developed. In the 21st century a handful of surviving air frames are on display in museums.