Blackburn B-20

Blackburn B-20
General information
TypePrototype flying boat
National originUnited Kingdom
ManufacturerBlackburn Aircraft
Designer
John Douglas Rennie
Primary userRoyal Air Force
Number built1
History
First flight26 March 1940

The Blackburn B-20 was an experimental aircraft, first flying in 1940, that attempted to drastically increase the performance of flying boat designs. Blackburn Aircraft undertook an independent design study based on a patent filed by their chief designer, John Douglas Rennie for a retractable pontoon float that formed the planing hull.