Westland Lysander

Lysander
Preserved Lysander flying in 2012
Role	Army co-operation and liaison aircraft
Manufacturer	Westland Aircraft
Designer	Arthur Davenport, Teddy Petter
First flight	15 June 1936
Introduction	June 1938
Retired	1946 (UK)
Primary users	Royal Air Force Indian Air Force Royal Canadian Air Force Egyptian Air Force United States Army Air Forces
Number built	1,786

The Westland Lysander was a British army co-operation and liaison aircraft produced by Westland Aircraft used immediately before and during the Second World War. After becoming obsolete in the army co-operation role, the aircraft's exceptional short-field performance enabled clandestine missions using small, unprepared airstrips behind enemy lines to place or recover agents, particularly in occupied France with the help of the French Resistance. British army air co-operation aircraft were named after mythical or historical military leaders; in this case the Spartan general Lysander was chosen.

In 1934 the Air Ministry issued Specification A.39/34 for an army co-operation aircraft to replace the Hawker Hector. Initially Hawker Aircraft, Avro and Bristol were invited to submit designs, but after some debate within the Ministry, a submission from Westland was invited as well. The Westland design, internally designated P.8, was the work of Arthur Davenport under the direction of "Teddy" Petter. It was Petter's second aircraft design and he spent considerable time interviewing Royal Air Force pilots to find out what they wanted from such an aircraft. Less clear was whether he or the pilots understood the army co-operation role and what the army wanted, which was tactical reconnaissance and artillery reconnaissance capability – photographic reconnaissance and observation of artillery fire in daylight – up to about 15,000 yards (14 km) behind the enemy front. The result of Petter's pilot enquiries suggested that field of view, low-speed handling characteristics and STOL performance were the most important requirements.

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