V1

V1, V01 or V-1 can refer to version one (for anything) (e.g., see version control)

V1, V01 or V-1 may also refer to:

In aircraft

• V₁ speed, the maximum speed at which an aircraft pilot may abort a takeoff without causing a runway overrun
• Fokker V.1, a German parasol monoplane experimental fighter prototype, built in 1916. The V is for versuchs or experimental.
• Vultee V-1, an American single-engine airliner of the 1930s. The V is for the manufacturer, Vultee.
• V-1 flying bomb or buzzbomb, a World War II German weapon. The V is for vergeltungswaffe or vengeance weapon

In vessels

• USS V-1, 1924–1931 designation of the USS Barracuda (SS-163), first of the US "V-boat" series of submarines
• V1, the Polynesian va’a hoe rudderless single-paddler outrigger canoe

In anatomy

• V1, the primary visual cortex
• V₁, the ophthalmic nerve, first division of the trigeminal nerve

In entertainment and media

• Virgin1, the 2007–2010 name of the British television channel Channel One (which ceased to exist in 2011)

In linguistics

• Base form (V₁) of an English verb.
  • Past simple form (V₂) of an English verb.
  • Past participle form (V₃) of an English verb.

In places

• V1 (building), a skyscraper in Sheffield
• V1 Gallery, in Copenhagen

In science

• ATC code V01 Allergens, a subgroup of the Anatomical Therapeutic Chemical Classification System

In technology

• V-1 flying bomb or buzzbomb, a World War II German weapon
• LNER Class V1/V3, an 1930–1939 British 2-6-2 tank engine
• V1 Ltd, A document management software company
• V.1, a telephone communications standard of the ITU-T

See also

• VI (disambiguation) (letter "i" as opposed to number "1")