EntityQ2207255· pop 9· linked from 48 articlesSM U-12Sign in to saveGerman submarine in World War IConnectionsgross register tonnageEntityWalther ForstmannEntityUnited KingdomCountryScotlandEntitygeographic coordinate systemEntityGdańskEntityInternational Standard Book NumberEntityGerman EmpireEntitykeroseneEntitytonneEntitytorpedoEntityknotEntitynautical mileEntityseaplaneEntityRoyal NavyEntityBBC NewsEntitybowEntitysternEntityFalkirkEntityU-boatEntityCategories1910 shipsShips built in DanzigSubmarine aircraft carriersType U 9 submarinesU-boats commissioned in 1911U-boats sunk by British warshipsU-boats sunk in 1915World War I shipwrecks in the North SeaWorld War I submarines of Germany