B4 1693948 222612889 2008-06-30T07:21:22Z Nono64 2313206 B04 '''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-[[stellar classification|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|HMS ''B4'']], a [[British B class submarine|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 (Star Trek)|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. ==See also== * [[B04]], a chess code for Alekhine's Defence {{disambig}} [[cs:B4]] [[de:B4]] [[fr:B4]] [[it:B4]] [[ja:B4]] [[pl:B4]] [[pt:B4]]