A1

A1, A 001, A-One, or similar may refer to:

Arts and entertainment

Film

A1 Film Company, a Burmese cinema company

A-1 Headline, a 2004 Hong Kong film

A-1 Pictures, a Japanese animation studio

A 001, operazione Giamaica (English title: Our Man in Jamaica), a 1965 Italian film

A1, a 1999 Syrian film; see List of Syrian films

A1 (2019 film), Indian Tamil film

Games

A1 Games, an American video game publisher for the PlayStation; see List of PlayStation games (A–L)

A-1 Supply, a former name of American gaming machine manufacturer International Game Technology

A1 – Slave Pits of the Undercity, a component of Scourge of the Slave Lords adventure module for Dungeons & Dragons

Larsen's Opening (ECO code: A01), a chess move

A1, a square on a chessboard

Music and dance

Albums

A1, an album by Ertuğ Ergin

A1, an album by Tony Cetinski

A One, an album by Ayumi Hamasaki

A1 (album), a 2002 album by the British–Norwegian band A1

Musical artists

Aone Beats or Aone, music producer

A-1, an American rap group behind the album Mash Confusion

A-One (band), a Mandopop group

A1 (group), a British–Norwegian boy band

A1 x J1, a British hip hop duo

Floyd Bentley (born 1987), record producer and reality TV star also known as A1

Other uses in music and dance

A1, a part in contra dance choreography

A-1 Sound Studios, a recording studio owned by Herb Abramson

Radio

CHIN (AM) (promotional name: A1), a station in Canada

A1, a Slovenian radio network owned by Radiotelevizija Slovenija

A-1 Detective Agency, a fictional detective agency in the radio series I Love a Mystery

Publications

A1 (comics), a comics anthology

A-1 Comics, a 1944–1955 Golden Age comics publication

A1—The Great North Road, a book by Paul Graham

Television

A-One (TV channel), a Russian music channel

A-1 Pictures, a Japanese animation studio

A1 Report, a television station in Albania

A1 Televizija, a former channel in the Republic of North Macedonia

America One, an American television network

Other uses in arts and entertainment

Front of house engineer or A1, a type of sound operator

Floyd Bentley (born 1987), record producer and reality TV star also known as A1

A-One (graffiti artist) (born 1964) American graffiti artist

Education

Certifications

A1, the Basic Language Certificate of the Common European Framework of Reference for Languages

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, the highest category of Qualified Flying Instructor in the Central Flying School of the UK Royal Air Force

Grades

A1, a grade for the Leaving Certificate, Ireland

A1, a grade for the Sijil Pelajaran Malaysia examination, Malaysia

A1, a grade for the Senior Secondary Certificate Examination; see Education in Nigeria

A1, a grade for the Singapore-Cambridge GCE Ordinary Level, Singapore

A-1, an academic grade in Pakistan

Other uses in education

Language A1, the former name for "Language A: literature", one of the IB Group 1 subjects

A1, a secondary school subdivision in the Congolese education system

Military

List of A1 weapons

A-1 Skyraider, a US 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

Svea Artillery Regiment, a Swedish Army regiment

A-1 (code), the designation for a code used by the US Navy during World War I

A1, a designation of military staff in the continental staff system

A-1, a grade of Republic of China; see Orders, decorations, and medals of the Republic of China

Forces A1, a naval force in the Battle of Crete; see Crete order of battle

AMX International AMX (Brazilian Air Forces designation: A-1), an aircraft

Kampfgeschwader 53 (identification symbol: A1), a Luftwaffe bomber wing during World War II

Politics and government

A-1 visa, a non-immigrant US visa for governmental officials

A1, an electoral alliance in Suriname; see List of political parties in Suriname

A1, a class of South Korean visa

A-1, a classification in the status of Indian cities

A1, a rank in the European Civil Service

A1, one of the planning use classes in Wales

A1, a classification of race by law enforcement in England and Wales

Places

A1 Mine Settlement, Victoria, Australia

Zone A1, a zone in the Alonissos Marine Park, North Aegean Sea, Greece

Science and technology

Astronomy

A1, a stellar classification

A1, a subobject designation; for example NGC 3603-A1

Biology

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, an A type proanthocyanidin

Primary auditory cortex, the region of the cerebral cortex where sound is processed

Vitamin A1, the animal form of vitamin A

A1, a segment of the anterior cerebral artery

A1, the first anal vein in the Comstock-Needham system of insect wing vein naming

Noradrenergic cell group A1

A1, a mating type of Phytophthora infestans, the cause of potato blight

Computing

Acer Aspire One, a netbook computer

A1 Superlink, an Australian Internet service provider merged in 2000 into the ISP Froggy

A1 Telekom Austria, an Austrian mobile network operator, and its subsidiaries

A1 Slovenija, the second largest telecommunications company in Slovenia

A1 Bulgaria, mobile network operator in Bulgaria

A1 Hrvatska, mobile network operator in Croatia

A1 Belarus, mobile network operator in Belarus

A1 Srbija, mobile network operator in Serbia

A1 Macedonia, mobile network operator in North Macedonia

A-1, a 1950s programming language successor to the A-0 System

Windows Live OneCare (codename: A1), former computer security software

A1, a class of computer security specified in the Trusted Computer System Evaluation Criteria

A1 VSTi, a 2002 synthesizer software program produced by Waldorf Music

Earth sciences

A1, a landslide classification factor

A-1, a class in the AASHTO Soil Classification System

Electronics

Canon A-1, a 35 mm SLR camera manufactured from 1978 to 1985

Canon XH-A1, a handheld prosumer HDV camcorder released in 2007

Minolta DiMAGE A1, a digital camera introduced 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

Xiaomi Mi A1, a smartphone released in 2017, part of series Mi and Android One

Samsung Galaxy A01, a smartphone released in 2020

Mathematics

A¹ homotopy theory, a concept related to algebraic topology

A1, an 1844 paper by mathematician Hermann Grassmann

A1, the alternating group on a set with one only element

Nuclear physics

A.1 scale, an atomic time scale in the International Atomic Time standard

A-1 (nuclear reactor), the second Soviet reactor

KS 150 or A-1, a nuclear reactor in Czechoslovakia, decommissioned in 1979

Robotics

A-1, the first series of Disney's Audio-Animatronics figures

Lely Astronaut A1, the first version of the Astronaut robot manufactured by Lely

Sports

A-1 (wrestler) (born 1977), Canadian professional wrestler

A1 Ring, the former name for the Red Bull Ring, a motorsport circuit in Spielberg, Austria

A1 sport league (disambiguation)

A1, a climbing grade

A1, a ranking in Keirin track cycling

Class A1 (baseball), a defunct classification within Minor League Baseball

A1 (classification), an amputee sport classification

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

Transportation

Land transportation

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

Chery A1

Scania A1, a 1901 car

Toyota A1, a 1935 car prototype

A1, a Volkswagen Group A platform

A-1, a 1939 Buick Roadmaster Series 81C used by Norwegian royalty

Motorcycles

A1, a Haden frame

A1, a Motosacoche motorcycle

A-1, a 1976 Alligator

Automatic A1, a Tomos motorcycle

A1 Samurai, in the list of Kawasaki motorcycles

Roads

Other uses in land transportation

Ayrshire Bus Owners (A1 Service), a bus operator in Scotland

A1, a tyre code

A1 registration plate, a UK vehicle registration plate

Rail

Trains

A1-class Melbourne tram

Bavarian A I, an 1844 German steam locomotive model

Ceylon Government Railway A1, steam locomotive class

LB&SCR A1 class, a class of locomotives designed by Stroudley and known as the Terriers

LNER Gresley Classes A1 and A3, a locomotive class designed by Sir Nigel Gresley, including the Flying Scotsman

LNER Thompson Class A1/1, the rebuild of 4470 Great Northern by Edward Thompson

LNER Peppercorn Class A1, a class of Pacific locomotives designed by Arthur Peppercorn

NCC Class A1, 1901 Irish 4-4-0 passenger steam locomotives

Pennsylvania Railroad class A1, an American PRR steam locomotive

Prussian A 1, a 1907 German Prussian railbus

SP&S Class A1, a 1907 steam locomotives class

Type A1, a type of electric tram in Adelaide, Australia

A1 (Guangzhou Metro car), a train model used on Guangzhou Metro Line 1

Other uses in rail

A1 Steam Locomotive Trust, a charitable trust

Nishi-magome Station (station number: A-01), a Japanese subway station

RER A1, a branch of the RER A rapid transit line in France, to Saint-Germain-en-Laye station

Tel Aviv–Jerusalem railway, built on the “A1 Route”

0-2-2 (UIC classification: A1), locomotive wheel arrangements

Air and space transportation

Aircraft

Jet A-1, a type of aviation fuel

List of A1 aircraft

A-1 (airship)

Douglas A-1 Skyraider, an American single-seat attack aircraft

Albastar A1, a glider

Model 3 A-1, an Aeronautical Products rotorcraft; see List of rotorcraft

Antigravity A1, a Chinese teleoperated quadcopter drone produced by Antigravity, a subsidiary of Insta360

AMX International AMX (Brazilian Air Forces designation: A-1), an aircraft

Spacecraft

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 launch in 1992

Astérix (satellite) or A1, the first French 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

Water transportation

Surface vessels

A-1 lifeboat

USS A-1, several 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

Type A1 submarine, a type of Japanese Navy submarine

HNoMS Kobben (A-1), a Royal Norwegian Navy submarine

Other uses in water transportation

A1 (shipping), a symbol indicating shipbuilding quality

Sea Area A1, a designation in the Global Maritime Distress Safety System

Other uses

A1 paper size (59.4×84.1 centimetres or 23.4×33.1 inches)

A1 or A-1, two investment grades for bonds

A1, a country risk rating assigned by Compagnie Française d'Assurance pour le Commerce Extérieur

A.1.