1Y or 1-Y may refer to:
*UH-1Y; see
H-1 upgrade program
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Bell UH-1Y Venom
*SSH 1Y (WA); see
Washington State Route 532
*1Y-J, a model of
Toyota Y engine
*1Y, IATA code for
Sun Air (Sudan)
*1Y, IATA code for
Electronic Data Systems
Electronic Data Systems (EDS) Corporation was an American multinational corporation, multinational information technology equipment and services company headquartered in Plano, Texas, which was founded in 1962 by Ross Perot. The company was a s ...
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1-Y classification in the U.S. Selective Service System, no longer in use
See also
*
Year
A year is a unit of time based on how long it takes the Earth to orbit the Sun. In scientific use, the tropical year (approximately 365 Synodic day, solar days, 5 hours, 48 minutes, 45 seconds) and the sidereal year (about 20 minutes longer) ...
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Y1 (disambiguation)
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