Walter Edwin Lees (July 16, 1887 – May 16, 1957) was an early American aviator who set a flight endurance record in 1931. Biography He was born on July 16, 1887, in Janesville, Wisconsin, and attended the University of Wisconsin–Madison. He made his first solo flight on November 14, 1912, near St. Louis, Missouri. He joined the Army Air Service as a civilian flying instructor in 1917, and married Loa Lloyd. He worked as a pilot, test pilot, instructor, and barnstormer. He also worked as a mechanic in the Army Air Service at Wright Field between 1919 and 1920. In the mid-1920s he test flew aircraft for the Stout Engineering Company. He and Frederick Brossy made a world's non-refueling duration record at Jacksonville Beach, Florida, in 1931 with a flight time of 84 hours and 32 minutes in a Bellanca J2 Diesel. His military service included five years as a pilot in the Air Force Reserve Command, and 20 years as pilot in the United States Navy Reserve, and 6 years active duty with the Navy from 1940 to 1946. He retired from the Navy in 1948 with the rank of Commander. He was active in aviation for over 35 years and flew approximately 12,000 hours, in over 60 different types of planes. He died on May 16, 1957. References Further reading The New York Times; May 29, 1931; Set Flight Record Without Refueling; Lees And Brossy, 84:33 Hours In Air, Recapture World Mark From France. Land On Florida Beach Take-Off In Diesel-Motor Plane Was Made Early Monday. Pair Slept Easily In Craft. Throngs Held Back For Landing. Set Flight Record Without Refueling Storm Threat Blows Over. Not Tired By 6,600-Mile Grind. Lees Once Drove Horse Car. Jacksonville, Florida, May 28, 1931, Walter Lees and Frederick Brossy, Detroit aviators, established a new world's record of 84 hours and 33 minutes for a non-refueling airplane flight when they landed at Jacksonville Beach at 7:20 o'clock, Eastern [Standard Time] ... External links Ralph Cooper: Walter Lees 1887 births 1957 deaths Aviators from Wisconsin Members of the Early Birds of Aviation People from Janesville, Wisconsin University of Wisconsin–Madison alumni United States Navy officers United States Air Force officers Flight endurance record holders American aviation record holders Military personnel from Wisconsin