🌐EnglishEnglishDeutschFrançaisPortuguêsTiếng ViệtРусскийالعربيةفارسی中文EntityQ4051954· pop 11· linked from 755 articlesU-231Also known as German submarine U-2311942 Type VIIC submarineAvailable in 11 languagesFrançaisDeutsch中文РусскийPortuguêsالعربيةSlovenianTiếng ViệtUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsType VII submarineEntitymotor-generatorEntityCategories1942 shipsGerman Type VIIC submarinesMaritime incidents in January 1944Ship infoboxes without an imageShips built in KielU-boats commissioned in 1942U-boats sunk by British aircraftU-boats sunk by depth chargesU-boats sunk in 1943World War II shipwrecks in the Atlantic OceanWorld War II submarines of Germany