B4

From Wikipedia, the free encyclopedia

B4 or B-4 may refer to:

  • Vitamin B4
  • B4, an international standard paper size (250×353 mm), defined in ISO 216.
  • B4 star, a subclass of B-class stars
  • Babylon 4 space station, the predecessor to the Babylon 5 station from the Babylon 5 television series
  • B.A.C.H. Flugbetriebs IATA airline designator (ICAO BCF)
  • Bankair IATA code, ICAO airline designator (BKA)
  • Flyglobespan IATA airline designator
  • HMS B4, a B-class submarine of the Royal Navy.
  • Internet shorthand for "before"
  • The Keystone B-4, a United States Army Air Corps biplane bomber
  • A level of vehicle armour
  • B-4, an android in the Star Trek fictional universe
  • B4 (music show), an early morning pop promo show on Channel 4 TV, produced by The Chart Show
  • 203-mm howitzer M1931 (B-4), a Soviet ordnance piece from World War II
  • B4 or B4 II, virtual synthesizer for Hammond organ (B-3) sound emulation (product of Native Instruments)
  • Subaru B4, the name with which the Subaru Legacy is marketed in Israel.
  • B4 lens mount, a specification of lens mount, use for profession video cameras such as Betacam, and more.