18 October 1922: At Selfridge Field, near Mount Clemens, Michigan, Assistant Chief of the Air Service Brigadier General William Mitchell set a Fédération Aéronautique Internationale (FAI) World Absolute Speed Record flying a Curtiss R-6 biplane, Air Service serial number A.S. 68564, over a 1 kilometer course at a speed of 358.84 kilometers per hour (222.973 miles per hour).
Brigadier General William Mitchell stands in the cockpit of a Thomas Morse pursuit
Curtiss R-6, serial number A.S. 68564, at Selfridge Field, 14 October 1922. (San Diego Air and Space Museum Archives)
The aircraft pictured, A.S. #68564, disintegrated in flight at the Pulitzer Trophy Race, 4 October 1924, killing its pilot, Captain Burt E. Skeel.