The Hughes H-1 Racer is a historic aircraft designed by Howard Hughes in the late 1930s. It was built to break speed records and featured a streamlined design, powerful engine, and advanced aerodynamics. The H-1 Racer made its first flight in 1935 and achieved a top speed of 352 mph, setting a world record for landplanes. The aircraft is notable for its innovative features, including retractable landing gear and a low-wing monoplane structure. The H-1 Racer played a significant role in aviation history, showcasing the potential of high-speed flight and influencing future aircraft designs.