Name UB-78 Yard number 307 Launched 2 June 1917 Builder Blohm + Voss | Ordered 23 September 1916 Commissioned 20 October 1917 Draft 3.68 m | |
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Cost 3,338,000 German Papiermark Fate sunk 9 May 1918 off Cherbourg by ramming and depth charges at . | ||
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.
UB-78 was sunk on 9 May 1918 off Cherbourg after ramming and depth charging by TS Queen Alexandra, all 35 crew members died in the event.
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 8.8 cm (3.46 in) deck gun. UB-78 would carry a crew of up to 3 officers and 31 men and had a cruising range of 8,680 nautical miles (16,080 km; 9,990 mi). UB-78 had a displacement of 516 t (508 long tons) while surfaced and 648 t (638 long tons) when submerged. Her engines enabled her to travel at 13.6 knots (25.2 km/h; 15.7 mph) when surfaced and 7.8 knots (14.4 km/h; 9.0 mph) when submerged.