From Wikipedia, the free encyclopedia
A3, A03, A-3, A.3, A.III or A 3 can refer to:
[edit] In business
- A3 paper, a paper size defined by ISO 216
[edit] In biology
- A3 regulatory sequence, a sequence for the insulin gene
- Adenosine A3 receptor, a human gene
- Annexin A3, a human gene
- ATC code A03 Drugs for functional gastrointestinal disorders, a subgroup of the Anatomical Therapeutic Chemical Classification System
- Brachydactyly type A3, a disease
- British NVC community A3 (Spirodela polyrhiza - Hydrocharis morsus-ranae community), a British Isles plants community
- Gibberellin A3, a plant hormone
- HLA-A3, a Human MHC Serotype HLA-A
- Subfamily A3, a rhodopsin-like receptors subfamily
- Urea transporter A3, a trans-membrane protein
[edit] In games
[edit] In roads
[edit] In sports
[edit] In vehicles
- A-3 lifeboat, a 1947 lifeboat for carrying by the SB-29 Superfortress
- A.3 Valkyrie, a British aircraft.
- Abrial A-3 Oricou, a French touring aircraft designed in 1927
- Audi A3, a model of automobile
- Aussat (Optus) A3, a 1987 Australian telecommunication satellite
- Bavarian A III, a 1851 German steam locomotive model
- Chery A3, a Chery Automobile car model
- LNER Gresley Classes A1 and A3, a Pacific Locomotive Designed by Sir Nigel Gresley
- PRR A3, an American PRR 0-4-0 steam locomotive
- Prussian A 3, a 1910 German railbus
- SP&S Class A3, a 1914 steam locomotives class
[edit] In weapons or military
- A-3 Falcon, a variant of the Curtiss Falcon, an attack aircraft manufactured by the Curtiss Aircraft Company
- A-3 Skywarrior, a strategic bomber manufactured by Douglas Aircraft Company
- Aggregate series#A3, or Aggregate 3, was the 3rd design in the Aggregate family of rockets developed by the Germans during World War II.
- AUG A3, a variant of the Austrian Steyr AUG rifle
- Focke-Wulf A 3, a WWI German Focke-Wulf aircraft
- Fokker A.III, a 1915 armed version of the Fokker M.5 aircraft
- HMS A3, a British A class submarine of the Royal Navy
- M16A3, a variant of the American M16 rifle
- M60A3, a variant of the American M60 Patton tank
- Polaris A-3 missile, an American submarine-launched missile
- Wendes artilleriregemente designation, a former Swedish Army artillery regiment
- A3, the staff designation for air force headquarters staff concerned with operations
- USS Grampus (SS-4), a Plunger class submarine of the United States Navy
- A3J, the original designation of the US Navy's A-5 Vigilante bomber
[edit] In music
- a musical note, the A below Middle C
- Alabama 3, a band known as A3 in the U.S. to avoid confusion with the country group Alabama
- A-3, a Yamaha combo organ
- Alkaline Trio, a rock band
[edit] In government
- A-3 visa, a document given to employees of A-1 and A-2 Visa Holders who are representing a foreign government inside the United States of America
- In town and country planning in the United Kingdom, A3 is the code for permission to use specific land or premises for restaurants and cafés
