A11 or A-11 is a
three-letter acronym that may refer to:A11, a German rocket design in World War II that was never constructed: see Aggregate series#A11A11 expressway (Switzerland): see Transportation in Switzerland#List of highways
A11 road (England), a road connecting London to Norwich
HMS A11, a British A class submarine of the Royal NavyOne of the
Encyclopaedia of Chess Openings codes for the
English Opening in
chessMatilda Mk I, a British infantry tankA-11, a prototype interceptor aircraft manufactured by Lockheed Corporation: see
Lockheed YF-12A-11 watch, an aviators' wristwatch used in World War II
F-117 Nighthawk, as an informal name for the stealth aircraft
Aero A.11, a Czech bomber built prior to World War II
A11 (Croatia), a connecting Zagreb to SisakA-11, an inaccurate reference,by President Lyndon Johnson to the, yet unnamed, Lockheed YF-12. In a speech given in the early sixties, Johnson, reading from a prepared script, misread All Weather Interceptor as A 11 Weather Interceptor.
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