The Curtiss R3C was an American racing aircraft built in landplane and floatplane form. It was a single-seat biplane built by the Curtiss Aeroplane and Motor Company.The R3C-1 was the landplane version and Cyrus Bettis won the Pulitzer Trophy Race in one on 12 October 1925 with a speed of 248.9 mph (406.5 km/h).The R3C-2 was a twin float seaplane built for the Schneider Trophy race. In 1925, it took place at Chesapeake Bay in Baltimore, Maryland.