|Shipyard||Kaiserliche Werft, Danzig (Werk 24)|
|Ordered||4 Aug 1914||Laid down|
|Launched||18 May 1915||Commissioned||17 Dec 1915|
|29 Mar 1916 - 11 Nov 1918 III Flotilla
|Successes||52 ships sunk with a total of 140,314 tons.|
1 ship damaged with a total of 7,378 tons.
|Fate||26 Nov 1918 - Surrendered to Japan. In japanese service as the O2 1920-21.
Partially dismantled at Kure Navy Yard in April 1921 but then rebuilt at Yokosuka Navy Yard 1925 as a testbed for submarine salvage operations carried out by the tender ASAHI. During her transfer from Yokosuka to Kure on 21 April 1925 she was caught by a storm (not typhoon as written in some sources) and lost. On 5 Aug \'27 her hulk was spotted by a U.S. merchant west of Oahu and later scuttled..
There was another U 46 in World War Two|
That boat was launched from its shipyard on 10 Sep 1938 and commissioned into the Kriegsmarine on 2 Nov 1938. Take a look at the U 46 from WWII.