SM UB-78 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) 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.
See main article: Type UB III submarine. 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 8.82NaN2 deck gun. UB-78 would carry a crew of up to 3 officers and 31 men and had a cruising range of 8680nmi. UB-78 had a displacement of 516lk=inNaNlk=in while surfaced and 648t when submerged. Her engines enabled her to travel at 13.6kn when surfaced and when submerged.
Date | Name | Nationality | Tonnage[1] | Fate[2] | |
---|---|---|---|---|---|
21 March 1918 | Strathearn | United Kingdom | 152 | Damaged | |
22 March 1918 | Polleon | United Kingdom | 1,155 | Sunk | |
25 March 1918 | HMD Border Lads | 86 | Sunk | ||
26 March 1918 | British Star | United Kingdom | 6,888 | Damaged |