EntityQ257063· pop 5S43Sign in to saveS43 may refer to:Article2 sectionsContentsSubmarinesOther usesS43 may refer to:== Submarines == , of the Royal Navy , of the Indian Navy , of the United States NavyRead full article (3 paragraphs)Connectionsisotope of sulfurEntitySikorsky S-43EntityHMCS WindsorEntityHarvey AirfieldEntityCategoriesLetter–number combination disambiguation pages