F4

Look up F4 in Wiktionary, the free dictionary.

F4, F.IV, F04, F 4, F.4 or F-4 may refer to:

Aircraft

Caproni Vizzola F.4, an Italian prototype fighter of 1941
Flanders F.4, a 1910s British experimental military two-seat monoplane aircraft
Fokker F.IV, a 1921 Dutch airliner
Lockheed F-4 Lightning, a reconnaissance variant of the P-38 WW II fighter
Martinsyde F.4 Buzzard, a British World War I biplane fighter

US Navy designations

The fourth fighter bought by the US Navy from a company was assigned the designation F4, following by the letter that company had been assigned. The designation system was later changed and the F4H was redesignated F-4.

Boeing F4B, a 1930s United States Navy carrier-based biplane fighter
Curtiss F4C, a 1920s United States Navy biplane fighter
Douglas F4D Skyray, a 1960s United States Navy fighter aircraft used in the
Grumman F4F Wildcat, a United States Navy fighter aircraft in World War II
McDonnell-Douglas F4H/F-4 Phantom II, an American supersonic fighter-bomber
Vought F4U Corsair, a United States Navy World War II fighter

Art, entertainment, and media

Companies

F4 (corporation), a video game developer
F4 Records, a record label descended from Factory Records

Fictional entities

F4, or Fantastic Four, fictional Marvel Comics superhero team
F4, or Flower 4, the four handsome boys appearing in Boys Over Flowers

Music

F4 (band) or JVKV, a Taiwanese band
F4 or F₄, musical notation indicating the F above Middle C

Computing and technology

Faugère F4 algorithm
F4, a function key on a computer keyboard
f4, a transcription software

Mathematics

F₄, one of the five exceptional simple Lie groups
F4 lattice, one of three regular space-filling tessellation in Euclidean 4-space
F₄ or 65,537 - the fourth Fermat number and largest known Fermat prime

Sports and games

Fallout 4, a video game developed by Bethesda Game Studios
Formula 4, a class of racing
1. f4, a chess move which characterizes the Bird's Opening

Transportation and vehicles

F4 layout, a front-engine, four-wheel drive auto layout
MV Agusta F4 series, a series of motorcycles
USS F-4 (SS-23), a United States submarine that sunk near Honolulu harbor in 1915
Sydney Ferries' Darling Harbour ferry services, known as the F4

Other uses

F4 (paper), a paper size of 210 mm by 330 mm
F 4 Frösön, a former Swedish Air Force wing
F-number f/4, a standard expressing the diameter of the aperture on a camera
F-4 Object, or Rákosi bunker, a formerly secret nuclear shelter under the downtown of Budapest, Hungary
Form F-4, an SEC form used to register securities in the United States
Nikon F4, a camera
F4, Albarka Air's IATA airline designator
F4, a tornado intensity rating on the Fujita scale

F4