On May 1, 1965, Lockheed YF-12A 60-6936 established five Fédération Aéronautique Internationale (FAI) World Speed Records: 3,351.507 kilometers per hour (2,070.102 m.p.h.) over a straight 15/25 kilometer course; 2,644.22 kilometers per hour (1,643.042 miles per hour) over a 500 kilometer course; 2,718.006 kilometers per hour (1,688.891 miles per hour) over a 1,000 kilometer course. On the same day, 936 set an FAI World Altitude Record of 24,463 meters (80,259.186 feet).