4J or 4-J may refer to: *

4J Studios 4J Studios Limited is a British video game developer based in Dundee. It has a second office located in East Linton. Founded in April 2005 by VIS Entertainment alumni Chris van der Kuyl, Paddy Burns and Frank Arnot, the company is best known fo ...

, a Scottish video game developer *

Somon Air Somon Air (Russian language, Russian and Tajik language, Tajik: Сомон Эйр) is a private airline in Tajikistan headquartered in Dushanbe and based at Dushanbe International Airport. History The airline started operating on 5 February 200 ...

's IATA code *

Eugene School District Eugene School District (4J) is a public school district in the U.S. state of Oregon. It is one of two school districts that serve the city of Eugene. Demographics Eugene School District 4J spans in the southern Willamette Valley, including th ...

's designator *4J Road, a section of

Wyoming Highway 50 Wyoming Highway 50 (WYO 50) is a north–south Wyoming state highway located in the southwestern and central part of Campbell County that travels from Wyoming Highway 387 at Pine Tree Junction north to Interstate 90, US 14/US 16/WYO 59 i ...

*4J, the production code for the 1975 ''Doctor Who'' serial ''

The Android Invasion ''The Android Invasion'' is the fourth serial of the Doctor Who (season 13), thirteenth season of the British science fiction television series ''Doctor Who'', which was first broadcast in four weekly parts on BBC One, BBC1 from 22 November to ...

'' In aircraft: *TA-4J, a model of

Douglas A-4 Skyhawk The Douglas A-4 Skyhawk is a single-seat subsonic carrier-capable light attack aircraft developed for the United States Navy and United States Marine Corps in the early 1950s. The delta-winged, single turbojet engined Skyhawk was designed a ...

*F-4J Phantom, see

McDonnell Douglas F-4 Phantom II The McDonnell Douglas F-4 Phantom II is an American tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed by McDonnell Aircraft for the United States Navy.Swanborough and Bow ...

*F-4J Phantom II, see

List of McDonnell Douglas F-4 Phantom II variants The McDonnell Douglas F-4 Phantom II variants were numerous versions and designations of the F-4 and are described below. Production numbers for major versions asterisk indicates converted from other version Variants ;XF4H-1 :Two prototype ...

*F-4J(UK), see

McDonnell Douglas F-4 Phantom II non-U.S. operators F-4 Phantom II non-U.S. operators are the non-U.S. nations with air forces that operate or used to operate the McDonnell Douglas F-4 Phantom II. The Phantom II entered service with the U.S. military in 1960 and served until 1996. During this tim ...

*L-4J, a model of

Piper J-3 The Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance. The Cub is Pi ...

See also