|Shipyard||Blohm & Voss, Hamburg (Werk 248)|
|Ordered||30 Apr 1915|
|Launched||21 Aug 1915|
|Commissioned||10 Dec 1915|
|Successes||127 ships sunk with a total of 130,841 tons.|
5 ships damaged with a total of 7,576 tons.
1 warship sunk with a total of 725 tons. (View ships hit by UB 18)
|Fate||9 Dec 1917 - Rammed and sunk by trawler Ben Lawer in the Channel at 4917N 0547W. 24 dead (all hands lost).|