SM UB-78 was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 20 October 1917 as SM UB-78. Mined off Dover on 19 April 1918 all 35 crew lost.

Construction

She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 2 June 1917. UB-78 was commissioned later that same year under the command of Kptlt. Woldemar Petri. Like all Type UB III submarines, UB-78 carried 10 torpedoes and was armed with a deck gun. UB-78 would carry a crew of up to 3 officers and 31 men and had a cruising range of . UB-78 had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.

SM UB-78

Summary of raiding history

References

Notes

Citations

Bibliography

External links

Scott, Graham (2015) ' UB-78 off Folkestone, Kent: Archaeological Report', Wessex Archaeology. Historic England project to research First World War submarine wrecks.

SM UB-78

German Type UB III submarines

World War I submarines of Germany

U-boats commissioned in 1917

1917 ships

Ships built in Hamburg

Maritime incidents in 1918

U-boats sunk in 1918

U-boats sunk by depth charges

U-boats sunk by British warships

World War I shipwrecks in the English Channel

Submarines lost with all hands

Protected Wrecks of the United Kingdom

SM UB-78