Speeds of all - metal monoplanes of the 1930s jumped into the 700 km / h (430 mph) range with the Macchi M.C. 72 reaching a top speed of 709 km / h (441 mph), still the record for piston - powered seaplanes. The Messerschmitt Me 209 V1 set a world speed record of almost 756 km / h (470 mph) on 26 April 1939, and the Republic XP - 47J (a variant of the P - 47 Thunderbolt) is claimed to have reached 813 km / h (505 mph) in testing. A prototype of the successor to the Supermarine Spitfire, the Supermarine Spiteful F. 16 (RB518), reached 494 mph (795 km / h). The fastest German propeller driven aircraft to see combat in WWII was the twin - DB 603 - powered Dornier Do 335 "Pfeil '' which had a top speed of 763 km / h (474 mph).
what was the fastest propeller plane in ww2
twin - DB 603 - powered Dornier Do 335 "Pfeil ''