She was commissioned into the German Imperial Navy on 31 August 1918 as SM UB-142.

[Note 1] She was surrendered to France on 22 November 1918 in accordance with the requirements of the Armistice with Germany and broken up at Landerneau in July 1921.

UB-142 carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun.

UB-142 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,280 nautical miles (13,480 km; 8,380 mi).

Her engines enabled her to travel at 13.5 knots (25.0 km/h; 15.5 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.