V10p163001 Prague.jpg

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

* V-1 flying bomb, a World War II German weapon
* V₁ speed, the maximum speed at which an aircraft pilot may abort a takeoff without causing a runway overrun
* Vultee V-1, an American single-engine airliner of the 1930s
* Fokker V.1, a German parasol monoplane experimental fighter prototype, built in 1916
* The first prototype/experimental ''(Versuchs)'' airframe of nearly List of RLM aircraft designations, any German WW II-era military aircraft

Vessels

* V1-class destroyer, a German World War I destroyer class
* USS V-1, 1924–1931 designation of the USS Barracuda (SS-163), USS ''Barracuda'' (SS-163), first of the US "V-boat" series of submarines
* V1, a rudderless single-paddler outrigger canoe

In medicine

* V1, the Visual cortex#Primary visual cortex (V1), primary visual cortex
* V₁, the ophthalmic nerve, first division of the trigeminal nerve
* V₁, one of six precordial leads in electrocardiography

In astronomy

* V1, or ''Hubble variable number one'' is the name given to a historically important Cepheid variable star in the Andromeda Galaxy

Other uses

* Base form (V₁) of an English verb
* ATC code V01 ''Allergens'', a subgroup of the Anatomical Therapeutic Chemical Classification System
* V1 (classification), a Paralympic archery classification for people with visual disabilities
* LNER Class V1/V3, a 1930–1939 British 2-6-2 tank engine
* Nikon 1 V1, a camera
* V1 Gallery, in Copenhagenany
* V.1, a List of ITU-T V-Series Recommendations, telephone communications standard of the ITU-T
* V1, a visual query language for property graphs
* Z1 (computer), previously known as V1
*V1 (film), ''V1'' (film), a 2019 Indian film

See also

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

{{Letter-Number Combination Disambiguation