A43 or A-43 may refer to:
Military
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Curtiss A-43 Blackhawk
The Curtiss-Wright XF-87 Blackhawk (previously designated the XP-87) was a prototype American all-weather jet fighter-interceptor, and the company's last aircraft project. Designed as a replacement for the World War II–era propeller-driven P ...
, an American prototype aircraft
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Douglas A-43 Jetmaster
The Douglas XB-43 Jetmaster is an American 1940s jet-powered prototype bomber. The XB-43 was a development of the XB-42, replacing the piston engines of the XB-42 with two General Electric J35 engines of 4,000 lbf (17.8 kN) thrust eac ...
, an American prototype aircraft
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Black Prince (tank)
Tank, Infantry, Black Prince (A43) is the name that was assigned to an experimental development of the Churchill tank with a larger, wider hull and a QF 17-pounder (76.2 mm) gun. It was named after Edward, the Black Prince, a famous 14th cent ...
, an experimental British heavy tank
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Advanced Landing Ground A-43
Saint Marceaul Airfield is an abandoned World War II military airfield, which is located near the commune of Saint-Marceau in the Pays de la Loire region of northern France.
Located just outside Saint-Marceau, the United States Army Air Force ...
, an airfield in France
Roads
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A43 road
The A43 is a primary route in the English Midlands and northern South East England, that runs from the M40 motorway near Ardley in Oxfordshire to Stamford in Lincolnshire. Through Northamptonshire it bypasses the towns of Northampton, Ke ...
, a primary road in the English Midlands
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A43 road (Northern Ireland)
The A43 is a primary route in east Ulster. The road starts in Ballymena, goes north, to Martinstown, then crosses the Antrim Hills, and descends into Glenure. The A43 terminates along the coast by A2, in the small town of Glenure.
Towns on ...
, a primary road in Northern Ireland
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A43 autoroute
The A43 autoroute, also known as ''l'autoroute alpine'' and ''l'autoroute de la Maurienne'', is a motorway in France. Travelling through the French Alps, the road connects the city of Lyon with the Tunnel du Fréjus, near Modane, which passes the ...
, a French highway
* A 43,
Bundesautobahn 43 in Germany
Other uses
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HLA-A43, an HLA-A serotype
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Benoni Defense
The Benoni Defense is a chess opening characterized by an early reply of ...c5 against White's opening move 1.d4. Most commonly, it is reached by the sequence:
:1. b:Chess Opening Theory/1. d4, d4 b:Chess Opening Theory/1. d4/1...Nf6, Nf6
:2. b:Ch ...
, a chess opening (by ''Encyclopaedia of Chess Openings'' code)
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