A12 (filter)

A12, A.12 or A-12 may refer to:

Aviation

* A-12 Avenger II, a Cold War–era American aircraft project that was canceled prior to production
* A-12 Shrike, a World War 2–era American attack aircraft
* Abrial A-12 Bagoas, a French experimental glider of the 1930s
* Aero A.12, a Czechoslovak light bomber built after World War I
* Lockheed A-12, codenamed ''Oxcart'', a high-altitude, high-speed reconnaissance aircraft, manufactured for the CIA

Military

* Aggregate 12, a German rocket design in World War II that was never constructed
* , a French-built aircraft carrier in use by the Brazilian Navy
* , a British A-class submarine of the Royal Navy
* Matilda II (tank), built to General Staff specification A12, a British tank of World War 2

Science and technology

* A12 Authentication, a CHAP-based mechanism used by a CDMA2000 Access Network to authenticate a 1xEV-DO Access Terminal
* ARM Cortex-A12, a 32-bit multicore processor
* Apple A12, a 7-nanometer 64-bit ARM SoC
* ATC code A12 ''Mineral supplements'', a subgroup of the Anatomical Therapeutic Chemical Classification System
* British NVC community A12 (Potamogeton pectinatus community), a British Isles plant community
* A Rhodopsin-like receptors subfamily
* Samsung Galaxy A12, an Android phone

Other uses

* A12 road, in several countries
* Fiat A.12, a 1916 Italian, 6–cylinder, liquid-cooled in-line engine
* LSWR A12 class, an 1887 British steam locomotive model
* Route A12 (WMATA), a bus route in Washington, USA
* A12 scale, musical tuning based on the 4:7:10 triad
* One of the ''Encyclopaedia of Chess Openings'' codes for the English Opening
* Unite the Right rally, referred to as "A12" locally, a white supremacist rally in Charlottesville, Virginia, which took place on August 12, 2017
* X Æ A-12, the son of Elon Musk

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