The King George V class were designed under the London Treaty limits of 35,000 tons with 14" guns.
The King George V and Prince of Wales were ordered under the 1936 Program on July 19, 1936. The Duke of York, Anson, and Howe were ordered under the 1937 Program on November 16, 1936.
There were two hangers that held 1 aircraft each. Two additional aircraft were stored on the catapult itself. However, most of the time only two aircraft were carried.
The four remaining King George V class ships had the catapults removed during 1943 to 1945.
The 14" L/45 BL Mk VII guns could elevate to 40° and fire a 1,590 lb shell 38,560 yards.
The 5.25" L/50 QF Mk I guns could elevate to 70° and fire a 80 lb shell up to 46,500'. At 45° it could fire out to 24,070 yards.