N/MS No marks 無標(biāo)記
NK Japan register of shipping 日本船級(jí)協(xié)會(huì)
NGI Norwegian Guarantee Institute 挪威保賠協(xié)會(huì)
N.B. Nota bene (take notice) 注意
NC Non-committal 不承擔(dān)義務(wù)
NLT No later than 不遲于
OA Over aged 超齡的
OA Over all 全部的，總的
O/A Owner's account 船東帳目
O/A On/about 于/大約
OAP Over aged premium 船舶超齡保險(xiǎn)
OC Open Charter 貨港未定的租船合同
OCP Over land common point 公共指定的內(nèi)陸點(diǎn)
OCT October 十月
OK All correct 對(duì)
OO Owner's option 船東選擇
OPP Opposite 對(duì)面
OSD Open shelter deck ship 無遮蔽甲板船
OT Over time 加班
OWRS Owners 船東
O/O Order of 指示指定