Yy
Y yen日元［日本货币单位］
Y yttrium 钇［第39号化学元素］
Y&D Bureau of Yards and Docks海军船坞局
Y&D yards and docks annex造船厂与船坞附属设备
y（d）yard（s）码［长度单位=0.9144米］
YACS yard automatic control system造船厂自动控制系统
YAG miscellaneous auxiliary各类辅助船［代字］
YAGR ocean station radar ship海洋定点（气象）雷达船［代字］
Yak Yakovlev雅克飞机［俄文］
YAR Yemen Arab Republic阿拉伯也门共和国［亚洲国家］
YAS auxiliary special purpose ship辅助专用船［代字］
Yb ytterbium镱［第70号化学元素］
YC crane ship起重机船［代字］
YC rescue coordination center救援协调中心［代字］
YC yard craft港口船舶
YCD fuelling barge加油驳船［代字］
YCT yacht快艇
YD yard码（=91.44厘米）
YD yard制造厂
YDG degaussing vessel消磁船［代字］
Yem Yemen也门［亚洲国家］
YFB ferryboat or launch渡船［代字］
YFD yard floating drydock浮动干船坞
YFN covered lighter有盖驳船［代字］
YFT torpedo transport craft鱼雷运输船［代字］
YFU harbor utility craft港口工作艇［代字］
Y-GUN depth-charge launcher深水炸弹发射器［代字］
YH ambulance boat救护艇［代字］
YL approach light lane进场灯光航道［代字］
YM dredge挖泥船［代字］(https://www.daowen.com)
YM prototype missile原型导弹［代字］
YMS yard mine sweeper基地扫雷艇
YMS junior mine planter小型布雷艇［代字］
YMS mine cargo carrier水雷物资运输船［代字］
YMS motor minesweeper摩托扫雷艇［代字］
YMS section patrol sweeper区域巡逻扫雷艇［代字］
YMS mine planter布雷舰［代字］
YMS minesweeper扫雷舰［代字］
YMS yaw microwave sensor偏航微波传感器
YO fuel oil barge燃油驳船［代字］
YOB year of birth出生年份
YOD year of death死亡年份
YOG gasoline barge汽油驳船［代字］
YOM year of marriage结婚年份
Yorks Yorkshire约克郡［英国］
YOS years of service服役年限
YP patrol craft巡逻艇［代字］
YPA yaw procession amplifier偏航进程放大器
YPD yaw phrase detector偏航鉴相器
YR rescue boats救生舰［代字］
YSM prototype strategic missile原型战略导弹［代字］
YTN Yonhap Television News韩国联合通讯社新闻台
YTN Ylemmät Toimihenkilöt专业人员与管理人员联合会
YTN your technology newsletter你的技术简报
YTP yearly training plan年度训练计划
YTT torpedo testing ranging鱼雷试验场［代字］
YTT torpedo testing barge鱼雷试验驳船［代字］
YWN icebreaker破冰船［代字］
YWN school ship教练船［代字］