EntityQ689670· pop 14· linked from 158 articlesU-23Sign in to save1936 Type IIB submarineConnectionsType II submarineEntitygross register tonnageEntitymotor-generatorEntity2 cm Flak 30/38/FlakvierlingEntityNorwayCountryUnited KingdomCountryDenmarkConceptRomaniaCountrySoviet UnionConceptBlack SeaEntityNazi GermanyConceptgeographic coordinate systemEntityInternational Standard Book NumberEntityKielEntityConstanțaEntitytonneEntityGalațiEntitytorpedoEntitywarshipEntitydiesel engineEntityCategories1936 shipsGerman Type II submarinesMaritime incidents in September 1944Ships built by Damen Shipyards GalațiShips built in KielShipwrecks of TurkeyU-boats commissioned in 1936U-boats scuttled in 1944World War II shipwrecks in the Black SeaWorld War II submarines of Germany