|Shipyard||Germaniawerft, Kiel (Werk 278)|
|Ordered||5 May 1916|
|Launched||25 Sep 1917|
|Commissioned||7 Nov 1917|
|Fate||26 Jan 1918 - Possible mined in the Strait of Dover on January 26, 1918 at position 50.53N, 01.31E. 43 dead (all hands lost).|
There was another U 109 in World War Two
That boat was launched from its shipyard on 14 Sep 1940 and commissioned into the Kriegsmarine on 5 Dec 1940. Take a look at U 109 from WWII.