William Patrick Ingram Fillingham FRAeS (27 February 1914 – 17 July 2003) was an English test pilot for the de Havilland company.
[1] Fillingham learned to fly with the Royal Air Force Volunteer Reserve at Perth in Scotland, he flew his first solo in February 1937.
[1] With the start of the Second World War the company had an increase in aircraft production and by April 1940 Fillingham was test flying 150 de Havilland Tiger Moth biplane trainers a month.
[1] By September 1942 he was the chief production test pilot flying new de Havilland Mosquito twin-engine light bombers.
[1] As well as his duties as a test pilot Fillingham also flew in air races winning the Goodyear Trophy in 1952 and the King's Cup in 1953 flying a de Havilland Canada Chipmunk.