A1

For the Wikipedia A1 criteria for speedy deletion, see Wikipedia:Criteria for speedy deletion#a1.

A1 may refer to:

Technology

Products

• A1 paper size (59.4×84.1 centimetres or 23.4×33.1 inches)
• A1 Steak Sauce
• Canon A-1, a 35mm SLR camera manufactured from 1978 to 1985
• Canon XH-A1, a handheld prosumer HDV camcorder released in 2007
• Minolta DiMage A1, a digital camera produced in 2003
• Sony HVR-A1, the prosumer version of the Sony HDR-HC1 camcorder, which was introduced in 2005
• AVM A1-Card, an ISDN card produced by German company AVM GmbH
• A1 VSTi, a 2002 synthesizer software program produced by Waldorf Music
• A-One, a product of South Korean software and electronics company Asiana Abacus

Computing

• A-1, a programming language which was a successor to the A-0 System written by Grace Hopper in the 1950s
• Windows Live OneCare, a computer security service codenamed A1
• A1, a class of computer security, see Trusted Computer System Evaluation Criteria#A — Verified protection
• Acer Aspire One netbook computer

Commercial brands and companies

• A1 Superlink, an Australian Internet service provider merged in 2000 into the Froggy (ISP)
• A-1 Supply, a former name of American gaming machine manufacturer International Game Technology
• A1, a brand of Austrian mobile network operator mobilkom Austria
• A-ONE Hotel, Bangkok-Pattaya, Thailand

Other technology uses

• A-1, the first series of Disney's Audio-Animatronics figures
• A-1, an alternative name for KS 150, a nuclear reactor in Czechoslovakia, decommissioned in 1979

Education

Grades

• A1, a grade for the Leaving Certificate, a qualification in the education system of Ireland
• A1, the highest obtainable grade for the Sijil Pelajaran Malaysia examination in Malaysia
• A1, a grade for the Senior Secondary Certificate Examination in Nigeria, see Education in Nigeria
• A1, a grade for the Singaporean GCE 'O' Level, an examination in the education system of Singapore
• A-1, an Academic grading in Pakistan commonly used in the education system of Pakistan

Other education uses

• A1, the Basic Language Certificate of the Common European Framework of Reference for Languages (TELC) available in German, English, French, Russian, Italian, Spanish, Dutch, Portuguese, Czech and Turkish
• Language A1, the native language of an International Baccalaureate student
• A1, a secondary school subdivision in the Congolese education system, see Education in the Republic of the Congo
• A1, a baccalauréat series in the education system of some parts of France
• A1, a baccalaureate in the Gabonese education system, see Education in Gabon
• A1, a college category in India
• A1, a journal category in Colombia
• A1, the highest category of Qualified Flying Instructor in the Central Flying School of the UK Royal Air Force

Entertainment

Music and dance

• A1 (band), a British-Norwegian boy band
• A1 (Ertuğ album)
• A1 (Tony Cetinski album)
• A-1 (group), an American rap group
• A-One (band), a Mandopop group
• A1, a part in contra dance choreography
• A-1 Sound Studios, a recording studio owned by Herb Abramson

Television and radio

• A-One (TV channel), a Russian music channel
• A1 TV channel (Macedonia)
• A1 Chinese Radio, a Chinese-language radio broadcast in Canada
• A1 Guadeloupe, a Caribbean television channel
• A1 Televizion, a television station in Albania
• A-1 Detective Agency, a fictional detective agency in the radio series I Love A Mystery
• A 1,see List of radio stations in Austria and Liechtenstein
• A1, a Slovenian radio network owned by Radiotelevizija Slovenija

Films

• A-1 Headline, a 2004 Hong Kong film
• A 001, operazione Giamaica (Our Man in Jamaica), a 1965 Italian adventure film directed by Ernst R. von Theumer
• A1, a 1999 Syrian film, see List of Syrian films

Companies

• A1 Film Company, a Burmese cinema company
• A-1 Pictures, a Japanese animation studio

Games

• A1 Games, an American video game publisher
• A1 - Slave Pits of the Undercity, a module for the Dungeons & Dragons RPG
• Larsen's Opening, a chess move, A01 in ECO code
• A1, a square on a chessboard

Books, magazines, comics and manga

• A1 (comics), a comics anthology
• A-1 Comics, a 1944-1955 Golden Age comics publication
• A1 Magazine, a United Kingdom luxury lifestyle magazine specialising in unique and costly products
• A1—The Great North Road, a book by Paul Graham (photographer)
• Alita, a character in the Battle Angel Alita manga series

Military, government and politics

See also: List of A1 weapons

• A-1 Skyraider, a United States military attack aircraft
• A-1 flying jacket, the predecessor of the A-2 flying jacket
• Company A-1, an outfit in the Texas A&M Corps of Cadets
• US A-1 visa
• Svea artilleriregemente, a Swedish Army regiment
• A1, a designation of military staff in the continental staff system
• A1, a rank in the European Civil Service
• A1, a class of South Korean visa
• A1, an electoral alliance in Suriname, see List of political parties in Suriname
• A-1, a grade of Republic of China List of orders, decorations and medals of the Republic of China#General Armed Forces medals
• A-1, a classification in the Status of Indian cities
• Forces A1, a naval force in the Battle of Crete, see Crete order of battle
• A-1, Brazilian Air Forces designation for the AMX International AMX aircraft.

Science

Biology

See also: List of A1 genes, proteins or receptors

• A1 broth, a substance used to detect fecal coliforms
• ATC code A01 Stomatological preparations, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Combretastatin A1, a potent cytotoxic agent
• HLA-A1, a human leukocyte antigen serotype
• Proanthocyanidin A1, a A type proanthocyanidin
• Vitamin A1, the animal form of vitamin A
• A1, a segment of the anterior cerebral artery
• the first anal vein in the Comstock-Needham system of insect wing vein naming

Ecology and earth science

• A1, a landslide classification factor
• A-1, a class in the AASHTO Soil Classification System
• Zone A1, a zone in the Greek Alonissos Marine Park in the North Aegean Sea

Astronomy

• A1, a class of star, see stellar classification

• "A1" subobject desigations
  • NGC 3603-A1

Mathematics

• A¹ homotopy theory, a concept related to algebraic topology
• A1, a 1844 paper by mathematician Hermann Grassmann
• A₁, the alternating group on a set with one only element

Neuroscience & Psychology

• the primary auditory cortex, the region of the cerebral cortex where sound is processed

Sports

Leagues or divisions

Main article: List of A1 sport leagues or divisions

Competition

• A1 Grand Prix, a motorsport racing series
• A-1 Liga, the top basketball league in Croatia
• HEBA A1, the top basketball league in Greece
• Phase A1, a phase in a combined driving equestrian competition

Other sports uses

• A-1 (wrestler)
• A1 Ring, an Austrian race circuit
• A1, a climbing grade
• A1, a ranking in Keirin track cycling

Vehicles and transport

Aircraft

See also: List of A1 aircraft

• A-1 (airship)
• A-1 Skyraider
• Albastar A1, glider
• Model 3 A-1, an Aeronautical Products rotorcraft, see List of rotorcraft

Cars

• A1 Grand Prix car
• Anadol A1, a 1966 Turkish car
• Arrows A1, a 1978 British racing car
• Audi A1, a supermini automobile produced from 2010
• Audi Quattro A1, a 1983 rally car
• Scania A1, a 1901 car
• Toyota A1, a 1935 car prototype
• A1 registration plate, an UK Vehicle Registration plate with Frank Russell, 2nd Earl Russell as original owner
• A1, a Volkswagen Group A platform
• A-1 Auto Transport, a vehicle transport company

Motorcycles

• A1, a Haden (motorcycle) frame
• A1, a Motosacoche motorcycle
• A-1, a 1976 Alligator (motorcycle)
• Automatic A1, a Tomos motorcycle
• A1 Samurai, see List of Kawasaki motorcycles

Roads

• A1 road, in several countries

Seacraft

Military boats

• A-1 lifeboat
• USS A-1, the name of multiple US Navy ships
• ARA Comandante General Irigoyen (A-1), an Argentine Navy auxiliary ship

Submarines

• HMS A1, a British A class submarine of the Royal Navy
• A1 type submarine, a type of Japanese Navy submarine
• HNoMS Kobben (A-1), a Royal Norwegian Navy submarine

Spacecraft

Satellites

• A-001, the second abort test of the Apollo spacecraft
• Anik A1, a Canadian satellite
• Aussat (Optus) A1, a 1985 Australian telecommunications satellite
• Orbcomm A1, a 1997 American low Earth orbit communications satellite
• Palapa A1, the first 1976 Indonesian Palapa satellite
• Superbird A1, a satellite put into orbit by an Ariane 4 launch on 1 December 1992
• A1, a designation for the French satellite Astérix (satellite)

Rockets

• A1, a model of German Aggregate Series Rocket from World War II
• Hermes A-1, a rocket in the Hermes project
• Saturn A-1, a 1959 American rocket
• Scout A-1, a 1965 American rocket

Fictional

• Alpha-One spacecraft, a fictional spacecraft in the film Buzz Lightyear of Star Command: The Adventure Begins

Trains and public transit

• A1 Airliner, a shuttle service in Australia
• A1 Steam Locomotive Trust, a charitable trust
• Ayrshire Bus Owners (A1 Service), a bus operator in Scotland
• Bavarian A I, a 1844 German steam locomotive model
• LB&SCR A1 class, a class of locomotices designed by Stroudley and known as the Terriers
• LNER Gresley Classes A1 and A3, a locomotive designed by Sir Nigel Gresley, including the famous Flying Scotsman
• LNER Peppercorn Class A1, a Pacific locomotive designed by A. H. Peppercorn
• NCC Class A1, a 1901 Irish 4-4-0 passenger steam locomotives
• Nishi-magome Station, a Japanese subway station
• PRR A1, an American PRR steam locomotive
• Prussian A 1, a 1907 German Prussian railbus
• RER A1, a rapid transit line in France, See : RER A
• SP&S Class A1, a 1907 steam locomotives class
• Plan A1, the codename for the high-speed railway to Jerusalem
• Type A1 or California combination, a type of electric tram, see Trams in Adelaide#Electric tram types
• 0-2-2, the UIC classification for the Whyte notation for railway locomotive wheel arrangements

Other transportation uses

• A1 (shipping), a symbol indicating shipbuilding quality
• A1, a tire code

Other uses

• A1 Mine Settlement, Victoria, Australia
• Sound operator, a member of a theatre crew commonly designated A1
• A1 or A-1, two investment grades for bonds
• A1, a country risk rating assigned by Compagnie Francaise D’assurance Pour Le Commerce Exterieur (Coface)
• A1, a colour grade used in shrimp marketing
• A1, a learner division in the Common European Framework of Reference for Languages
• A1, a Race (classification of human beings)#In law enforcement used by Scotland Yard
• A.1 scale, the first formalised atomic time scale defined by USNO in the International Atomic Time standard
• Sea Area A1, a designation in the Global Maritime Distress Safety System
• A1, a planning class from the Town and Country Planning (Use Classes) Order 1987 in the UK

See also

• 1A (disambiguation)
• AL (disambiguation)
• Aleph One (disambiguation)

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