1A

1A or 1-A may refer to:

Arts and entertainment 1A (comics), a comic book robot 1A (radio program), an American radio program

Politics

First Amendment (disambiguation), the first amendment of various legislation

Science and technology Group 1A, an obsolete designation for the group 1 elements AMY1A, a human gene Alpha-1A adrenergic receptor, a human gene Interferon beta-1a, a drug Meltwater pulse 1A, a period of rapid post-glacial sea level rise, 13,500–14,700 years ago Melatonin receptor 1A, a human gene Metallothionein 1A, a human gene MH-1A, a nuclear power reactor and the first floating nuclear power station Vasopressin receptor 1A, a major receptor type for vasopressin

Sports Croatian 1A Volleyball League 1. A SKL, the 2002–2006 name of Premier A Slovenian Basketball League

Transportation, military and space Adcox 1-A, an American 1929 biplane Astra 1A, a 1988 satellite Class 1-A, an American military service classification Little Joe 1A, a 1959 unmanned NASA launch Mercury-Redstone 1A, a 1969 NASA mission Packard 1A-1500, a 1929 piston aircraft engine Shin Meiwa US-1A, a Japanese anti-submarine warfare aircraft Sisu 1A, an American 1950s sailplane Türksat 1A, a Turkish satellite List of highways numbered 1A

See also

A1 (disambiguation) IA (disambiguation)