found: Sturtivant, R. The S.E.5 file, 1996:p. 5 (The S.E.5 originated during the second half of 1916, to meet the requirement for a faster and more manoeuvrable single-seat fighter. Designed by the Royal Aircraft Factory at Farnborough)
found: Chambers encyc.:p. 179, table (S.E.5, nationality: British, date: 1918)
found: Jane's encyc. of aviation, 1989:p. 770 (Royal Aircraft Factory S.E.5: The S.E. designation indicated 'Scouting Experimental' and was first applied to an operational aircraft as the S.E.2a, which flew with the RFC in the early months of World War I)
found: Wikipedia, Dec. 10, 2008(Royal Aircraft Factory S.E.5: The Royal Aircraft Factory S.E.5 was a British biplane fighter aircraft of the First World War; only 77 original S.E.5 aircraft were built before production settled on the improved S.E.5a. The S.E.5a differed from late production examples of the S.E.5 only in the type of engine installed - a geared 200 hp Hispano-Suiza 8b, often turning a large clockwise-rotation four bladed propeller, replacing the 150 hp model; the S.E.5b was a variant of the S.E.5 with a streamlined nose and wings of unequal span and chord)
