|Shipyard||Blohm & Voss, Hamburg (Werk 307)|
|Ordered||23 Sep 1916|
|Launched||2 Jun 1917|
|Commissioned||20 Oct 1917|
|Successes||2 ships sunk with a total of 1,241 tons.|
2 ships damaged with a total of 7,040 tons. (View ships hit by UB 78)
|Fate||19 Apr 1918 - Mined off Dover in position 51.01N 01.17E on April 19, 1918. 35 dead (all hands lost).|
The wreck of UB 78 has been discovered and identified by local divers.
Previously recorded fate
Rammed by Queen Alexandra W of Cherbourg at 4949N 0140W. This attack accounted for the UC 78.