A4

A4, A 4 or A - 4 is:

  • A standard paper size A4 format with the dimensions 210 mm × 297 mm (DIN 476/ISO 216)
  • The sound of a in the four octave, see sound system
  • A grade of officials in Germany, see Simple service
  • The IATA code for the Argentine airline Southern Winds
  • The international aircraft identifier of Tonga
  • A military aircraft, see Douglas A-4
  • A rocket project in the Third Reich, see unit 4
  • The series of officially fastest steam locomotive in the world, see LNER Class A4
  • A car model of the car manufacturer Audi, see Audi A4
  • , alternatively called a deck of Volkswagen, the Golf is built on the PQ34 IV also
  • In materials engineering a abbreviation for a stainless steel, alternatively known as V4A
  • A gyroplane, see TsAGI A-4
  • A degree of difficulty in technical climbing, see technical climbing
  • The proprietary Apple A4 processor by Apple
  • In mathematics, the alternating group of order 4
  • A4, overseas territory in the GMDSS, Global Maritime Distress Safety System see # sea areas A1 to A4

A4, A 4 or A -4 is the name of the following highways:

  • In Germany, the Federal Highway 4
  • In Austria, the East motorway
  • In Switzerland the highway 4 ( Switzerland )
  • In Belgium the highway 4 (Belgium )
  • In Bulgaria the Awtomagistrala A4
  • French Autoroute A4
  • In Italy, the Autostrada A4 ( Italy)
  • In Croatia, the Autocesta A4
  • In Luxembourg Autoroute 4 ( Luxembourg )
  • In the Netherlands the Rijksweg 4
  • In Poland the Autostrada A4 ( Poland)
  • In Portugal the Autoestrada A4
  • In Romania, the Autostrada A4 ( Romania)
  • In Slovenia, the Avtocesta A4
  • In Spain, the Autovia A-4 ( Autovia del Sur )

A4 is the name of the following highways:

  • Disambiguation
  • Abbreviation
21080
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