A12, A.12 or A-12 may refer to:
Aviation
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A-12 Shrike
The Curtiss A-12 Shrike was the United States Army Air Corps' second monoplane ground-attack aircraft, and its main attack aircraft through most of the 1930s. It was based on the A-8, but had a radial engine instead of the A-8's inline, wate ...
, a World War 2–era American attack aircraft.
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Abrial A-12 Bagoas, a French experimental glider of the 1930s.
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Aero A.12, a Czechoslovak light bomber built after World War I.
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Lockheed A-12
The Lockheed A-12 is a retired high-altitude, Mach 3+ reconnaissance aircraft built for the United States Central Intelligence Agency (CIA) by Lockheed's Skunk Works, based on the designs of Clarence "Kelly" Johnson. The aircraft was ...
, codenamed ''Oxcart'', a high-altitude, high-speed reconnaissance aircraft, manufactured for the CIA.
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McDonnell Douglas A-12 Avenger II
The General Dynamics/McDonnell Douglas A-12 Avenger II was a proposed American attack aircraft from General Dynamics and McDonnell Douglas. It was to be an all-weather, carrier-based stealth bomber replacement for the Grumman A-6 Intruder in ...
, an early attempt by the United States to develop stealth aircraft, cancelled due to cost overruns.
Military
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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
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A12 Authentication {{more citations needed, date=March 2016
A12 Authentication (''Access Authentication'' for 1xEV-DO) is a CHAP-based mechanism used by a CDMA2000 Access Network (AN) to authenticate a 1xEV-DO Access Terminal (AT).
* Evolution-Data Optimized (''EV- ...
, a CHAP-based mechanism used by a CDMA2000 Access Network to authenticate a 1xEV-DO Access Terminal.
*
ARM Cortex-A12
The ARM Cortex-A12 is a 32-bit processor core licensed by ARM Holdings implementing the ARMv7-A architecture. It provides up to 4 cache-coherent cores. The Cortex-A12 is a successor to the Cortex-A9.
ARM renamed A12 as a variant of Cortex-A ...
, a 32-bit multicore processor.
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Apple A12
The Apple A12 Bionic is a 64-bit ARM-based system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series, It first appeared in the iPhone XS and XS Max, iPhone XR, iPad Air (3rd generation), iPad Mini (5th generation), iPad ...
, a 7-nanometer 64-bit ARM SoC.
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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
Rhodopsin-like receptors are a protein family, family of proteins that comprise the largest group of G protein-coupled receptors.
Scope
G-protein-coupled receptors, GPCRs, constitute a vast protein family that encompasses a wide range of funct ...
subfamily.
*
Samsung Galaxy A12
The Samsung Galaxy A12, Samsung Galaxy M12 and Samsung Galaxy F12 are entry-level 32-bit Android smartphones manufactured by Samsung Electronics.
The Samsung Galaxy A12 was announced on November 24, 2020 as a successor to the Samsung Galaxy A1 ...
, an Android phone.
Other uses
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A12 road
This is a list of roads designated A12. Entries are sorted in alphabetical order by country.
* A012 road (Argentina), a road around the city of Rosario
* A12 motorway (Austria), a road connecting Kufstein and the German Autobahn A 93 to Lande ...
, 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.
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Route A12 (WMATA)
The Martin Luther King Jr. Highway Line, designated Route A12 is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Addison Road station of the Blue Line (Washington Metro), Blue and Silver Line (Washington Me ...
, a bus route in Washington, USA.
*
A12 scale
A12 () is a non- octave-repeating scale or musical tuning featuring twelve steps to the tritave. As twelve steps to the octave is based on a triad of harmonics 4:5:6 (root, major third, perfect fifth), A12 is based on a triad of harmonics 4:7: ...
, musical tuning based on the 4:7:10 triad.
* One of the ''Encyclopaedia of Chess Openings'' codes for the
English Opening
The English Opening is a chess opening that begins with the move:
: 1. c4
A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins ...
.
*
Unite the Right rally
The Unite the Right rally was a White supremacy#United States, white supremacist rally that took place in Charlottesville, Virginia, from August 11 to 12, 2017. Marchers included members of the alt-right, neo-Confederates, neo-fascists, whi ...
, 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
Elon Reeve Musk ( ; born June 28, 1971) is a businessman. He is known for his leadership of Tesla, SpaceX, X (formerly Twitter), and the Department of Government Efficiency (DOGE). Musk has been considered the wealthiest person in th ...
.
* A highly desirable performance option for the 1969 Plymouth Road Runner and Dodge Super Bee with a 440 engine and special transmission and differential features.
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