Y1 has several uses including: * Boeing Y1, the anticipated replacement for the company's existing Boeing 737 airliner * Great Northern Y-1, an electric locomotive used by the Great Northern Railway. * Y1 adrenocortical cell, a mouse cell line *

Y1 (railcar) The Y1 is a diesel-hydraulic locomotive, diesel-hydraulic standard gauge railcar (single self-propelling carriage). It is in use in Croatia, Serbia, Kosovo, Sweden and Uruguay. The production of the railcars was begun in 1980 by Kalmar Verkstad an ...

, a Swedish-made diesel multiple unit train *

LNER Class Y1 The LNER Class Y1 was a class of 0-4-0 geared steam locomotives built by Sentinel Waggon Works for the London and North Eastern Railway and introduced in 1925. They passed into British Railways ownership in 1948 and were numbered 68130-68153 b ...

, a class of British steam locomotives *

Y1 (tobacco) Y1 is a strain of tobacco that was cross-bred by Brown & Williamson to obtain an unusually high nicotine content. It became controversial in the 1990s when the United States Food and Drug Administration (FDA) used it as evidence that tobacco compani ...

, a genetically altered tobacco and also : *

Blue Air Blue Air was a Romanian low-cost airline headquartered in Bucharest, with its hub at Henri Coandă International Airport. It was the largest Romanian airline by scheduled passengers flown. In 2017, Blue Air carried over 5 million passengers, ...

IATA airline code * y1, Yellow seed 1, a sorghum gene implied in the phlobaphene pigments pathway

See also