ROMSO Cyprus Knowledge Base

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A3 or A3 represents:

an address in the Mannheimer A-squares
Standardized paper format (DIN 476/ISO 216)
the tone a in the three-stroke octave, see sound system
a play instruction in the musical notation (abbreviated to the Italian expression "a tre", ergo "third"), which states that the affected area should be executed in unison. Even in the case of triple division (e.g. 6 cellos, which are arranged in two parts), one speaks of “div. a3”.
a level of difficulty in technical climbing
A3 Nissan Champions Cup, a football tournament in East Asia
Short form for the music groups Austria 3 and Alabama 3
A 3, the Staff Department 3 in the Luftwaffe of the Bundeswehr
a grade for civil servants in Germany, see Simple Service
A3 (algorithm), an authentication algorithm in GSM
a platform from Volkswagen on which the Golf III is built
Audi A3, a vehicle model of the car manufacturer Audi
Aggregate 3, a rocket project in the Third Reich
a railway line in Schleswig-Holstein, see AKN Bahn
BVG series A3 a series of Berlin subway cars
LNER Class A3, London and North Eastern Railway locomotive
Tonga (International Country Aircraft Marking)
Aegean Airlines (IATA code)
A3-Report a method for structured problem solving
A3, Sea area in the GMDSS, see Global Maritime Distress Safety System#Sea areas A1 to A4
a former cigarette brand of Austria Tabak
Samsung Galaxy A3, a smartphone series from Samsung
Merzario A3, a Formula 1 racing car from the Italian team Merzario (1979)
the abbreviation of a type of amplitude modulation

Motorways and highways:
Bundesautobahn 3 in Germany
A3 (Bosnia and Herzegovina)
A3 road from London to Portsmouth in the United Kingdom
Aftokinitodromos 3 in Greece
Motorway 3 (Belgium)
Motorway A3 (Switzerland)
Autocesta A3 in Croatia
Autoestrada A3 in Portugal
Autoroute 3 (Luxembourg)
Autoroute A3 in France
Autostrada A3 (Albania)
Autostrada A3 (Italy)
Autostrada A3 (Romania)
Autovía A-3 in Spain
Avtocesta A3 in Slovenia
Awtomagistrala A3 in Bulgaria
Southeast Highway in Austria
A3 (Cyprus) in Cyprus
A3 (Botswana)
A3 (Ivory Coast)
A3 (Kenya)
A3 (Nigeria)
Interstate A-3 in the USA

A-3 represents:
Douglas A-3 Skywarrior, a 1950s US Navy bomber
Tupolev A-3, amphibious vehicle

A3 stands for:
Airbus A3 Vahana, aircraft prototype

See also:
A03 as ECO code of openings in chess

A3