A43
# A43

A43 or A-43 may refer to:

## Military

* Curtiss A-43 Blackhawk, an American prototype aircraft
* Douglas A-43 Jetmaster, an American prototype aircraft
* Black Prince (tank), an experimental British heavy tank
* Advanced Landing Ground A-43, an airfield in France

## Roads

* A43 road, a primary road in the English Midlands
* A43 road (Northern Ireland), a primary road in Northern Ireland
* A43 autoroute, a French highway
* A 43, Bundesautobahn 43 in Germany

## Other uses

* HLA-A43, an HLA-A serotype
* Benoni Defense, a chess opening (by Encyclopaedia of Chess Openings code)
