F3 or F03 may refer to:

Computing

* F3, a

function key A function key is a key on a computer or computer terminal, terminal computer keyboard, keyboard that can be programmed to cause the operating system or an application program to perform certain actions, a form of soft key. On some keyboards/com ...

on a computer keyboard * F3 (language), the working name for JavaFX Script, a scripting language * Fat-Free Framework, a PHP web application framework

Military

* Douglas F-3 Havoc, a photographic reconnaissance plane *

Douglas F3D Skyknight The Douglas F3D Skyknight ( later redesignated F-10 Skyknight) is an American twin-engined, mid-wing jet fighter aircraft designed and manufactured by the Douglas Aircraft Company. It was designed in response to a 1945 United States Navy req ...

(later F-10 Skyknight), a Douglas twin engine, mid-wing jet fighter * F 3 Malmslätt, a former Swedish Air Force unit * Felixstowe F.3, a 1917 British First World War flying boat * Hannover F.3, a World War I German prototype escort fighter * HMS ''Cossack'' (F03), a 1937 British Royal Navy destroyer * HMS ''F3'', a British F class submarine *

McDonnell F3H Demon The McDonnell F3H Demon is a subsonic swept-wing carrier-based jet fighter aircraft designed and produced by the American manufacturer McDonnell Aircraft Corporation. It was the first swept wing jet fighter and the only single-engined carrier- ...

(later F-3 Demon), a United States Navy carrier-based jet fighter *

Mk F3 155mm The 155 mm self-propelled gun Mk F3, or the Canon de 155 mm Mle F3 Automoteur (Cn-155-F3-Am), was developed in the early 1950s by the French Army to replace their American M41 Gorilla 155 mm self-propelled guns. The Mk F3 is the sm ...

, French self-propelled gun *

RAF Tornado F3 The Panavia Tornado Air Defence Variant (ADV) is a long-range, twin-engine swing-wing interceptor aircraft developed by the European Panavia Aircraft GmbH consortium. It was a specialised derivative of the multirole Panavia Tornado. Developme ...

, a British fighter * USS ''F-3'' (SS-22), a United States Navy submarine * A future Japanese fighter jet (F-3 or F-X) based on the i3 conceptual jet fighter and Mitsubishi X-2 prototype

Transportation

BYD F3 The BYD F3 is a compact car that was produced by the Chinese car manufacturer BYD Auto, BYD between 2005 and 2021. The first BYD vehicle of their own design, production of the first generation model commenced in September 2005. A few variants we ...

, an automobile *

EMD F3 The EMD F3 is a B-B freight- and passenger-hauling carbody diesel locomotive produced between July 1945 and February 1949 by General Motors’ Electro-Motive Division. Final assembly was at GM-EMD's La Grange, Illinois plant. A total of 1, ...

, a North American cab-style diesel locomotive introduced in 1945 *

F3 (Istanbul Metro) The F3, also known as the Vadistanbul Monorail (, meaning Vadistanbul Air-rail) and officially referred to as the F3 Vadistanbul-Seyrantepe funicular line (), is a long funicular railway in Sarıyer, Istanbul. The line is one of four funicular ra ...

, a funicular railway line in Istanbul, Turkey * F3 class, project name for the mega-cruise ship ''Norwegian Epic'' *

Faso Airways Faso Airways was an airline based in Ouagadougou, Burkina Faso. It was established in 2000 and operated charter flights to Africa, Europe and the Middle East. It ceased operations in 2005 Fleet * Airbus A310-300 * Ilyushin Il-76TD See also * ...

IATA airline designator *

Fokker F.III The Fokker F.III was a single-engined high-winged monoplane aircraft produced in the 1920s by the Dutch aircraft manufacturer Fokker. It could carry five passengers. The aircraft was also built under licence in Germany as the Fokker-Grulich F.III ...

, a 1921 Dutch single-engine high-winged monoplane aircraft *

Hinterhoeller F3 The Hinterhoeller F3 (or F 3) is a Canadian sailboat that was designed by Argentine naval architect Germán Frers as a racer-cruiser and first built in 1981.Sherwood, Richard M.: ''A Field Guide to Sailboats of North America, Second Edition'' ...

, a yacht design by Canadian boat builder

Hinterhoeller Yachts Hinterhoeller Yachts was a Canadian boat builder based in St. Catharines, Ontario. The company specialized in the design and manufacture of fiberglass sailboats. The company was originally founded by George Hinterhoeller as Hinterhoeller Limit ...

MV Agusta F3 series MV may refer to: Businesses and organizations In transportation * Motor vessel, a motorized ship; used as a prefix for ship names * MV Agusta, a motorcycle manufacturer based in Cascina Costa, Italy * Armenian International Airways (IATA code MV ...

, an Italian sports motorcycle * Spyder F3, a model of the three-wheeled motorcycle

BRP Can-Am Spyder Roadster The Can-Am Spyder ("Spyder") is a Motorized tricycle, three-wheeled motorcycle manufactured by Can-Am motorcycles, a division of Bombardier Recreational Products. The vehicle has a single rear drive wheel and two wheels in front for steering, sim ...

* Sydney Ferries'

Parramatta River ferry services The Parramatta River ferry service connects suburbs along the Parramatta River in Sydney with Circular Quay by commuter ferry. The service is numbered F3 and forms part of the Sydney Ferries network. History Regular ferry services between Sydn ...

, known as the F3 *

Pacific Motorway (Sydney–Newcastle) M1 Pacific Motorway is a 127-kilometre (79 mi) Motorway#Australia, motorway linking Sydney to Newcastle, New South Wales, Newcastle via the Central Coast, New South Wales, Central Coast and Hunter Region, Hunter regions of New South Wales. For ...

, formerly Sydney–Newcastle Freeway and commonly known as F3 *

LNER Class F3 The GER Class C32 was a class of fifty steam locomotives designed by James Holden and built by the company's Stratford Works between 1892 and 1902. They all passed to the London and North Eastern Railway at the 1923 grouping and received the c ...

, a class of British steam locomotives

Arts

* ''F3'' (Fisz Emade jako Tworzywo Sztuczne album) * ''F3'' (manga) (F³: Frantic, Frustrated & Female), a hentai manga series * ''F3'' (film), a 2022 Indian Telugu-language film by Anil Ravipudi, a sequel to ''F2'' (2019)

Other

* F3 (classification), a wheelchair sport classification * F3 (font format), created by Folio, Inc *

F3 (gene) Tissue factor, also called platelet tissue factor or Coagulation factor III, is a protein present in endothelium, subendothelial tissue and leukocytes which plays a major role in coagulation and, in humans, is encoded by ''F3'' gene. Its role in ...

, a protein * F3 isoprostane * F3 Nation, a network of free peer-led workouts for men in the U.S. * Form, fit and function, an engineering term relating to design processes *

Formula Three Formula Three (F3) is a third-tier class of open-wheel formula racing. The various championships held in Europe, Australia, South America and Asia form an important step for many prospective Formula One drivers. History Formula Three (adop ...

, a class of automobile racing * Forsmark 3, a unit at

Forsmark Nuclear Power Plant Forsmark Nuclear Power Plant is a nuclear power plant in Forsmark, Sweden that provides 14% of Sweden's total electricity output, and also the site of the Swedish Final repository for radioactive operational waste. It is operated by a company m ...

, Sweden *

Motorola Motofone F3 The Motorola F3, also marketed as the Motofone (styled MOTOFONE), is a candybar style GSM mobile phone from Motorola, released on 28 November 2006. A CDMA variant was released, F3c. It was the first mobile phone to use an electronic paper displa ...

, a mobile phone *

Nikon F3 The Nikon F3 is Nikon (, ; ) is a Japanese optics and photographic equipment manufacturer. Nikon's products include cameras, camera lenses, binoculars, microscopes, ophthalmic lenses, measurement instruments, rifle scopes, spotting scopes, an ...

, an SLR camera *

Taito F3 System The Taito F3 Package System (Taito Cybercore in North America) is a 32-bit arcade system board released by Taito in 1992. Specifications * CPU: Motorola MC68EC020; * Sound CPU: Motorola MC68000; * Sound chip: Ensoniq ES5505 and ES5510 (DSP); ...

, a 1992 arcade system board * A tornado intensity rating on the

Fujita scale The Fujita scale (F-Scale; ), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is determ ...

*''F''₃, a type of

formant In speech science and phonetics, a formant is the broad spectral maximum that results from an acoustic resonance of the human vocal tract. In acoustics, a formant is usually defined as a broad peak, or local maximum, in the spectrum. For harmo ...

in speech science * F3, an

EEG Electroencephalography (EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The bio signals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neoc ...

electrode site according to the 10-20 system *

F3 Derby The F3 Derby is a soccer rivalry between Central Coast Mariners and Newcastle Jets. It is the longest standing derby in the A-League Men. The rivalry originated due to the team's relative geographical proximity, with the Mariners located on the ...

association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 Football player, players who almost exclusively use their feet to propel a Ball (association football), ball around a rectangular f ...

rivalry between

Central Coast Mariners Central Coast Mariners Football Club is an Australian professional soccer club based in Gosford, on the Central Coast of New South Wales. It competes in the A-League Men, under licence from the Australian Professional Leagues (APL). The Mar ...

and

Newcastle Jets Newcastle United Jets Football Club, commonly known as Newcastle Jets, is an Australian professional soccer club based in Newcastle, New South Wales. It competes in the country's premier competition, the A-League, under licence from the Australi ...