When she was completed, the submarine was 67.10 metres (220 ft 2 in) long, with a beam of 6.18 metres (20 ft 3 in), a height of 9.60 metres (31 ft 6 in) and a draft of 4.74 metres (15 ft 7 in). She was assessed at 864.7 t (851 long tons) submerged. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder superchargeddiesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced and two SSW GU 343/38-8 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The submarine was capable of operating at depths of up to 230 metres (750 ft), had a maximum surface speed of 17.6 knots (32.6 km/h; 20.3 mph) and a maximum submerged speed of 7.5 knots (13.9 km/h; 8.6 mph).When submerged, the U-boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) and when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph).[3]
U-1102 was used as a Training ship in the 8th U-boat Flotilla from 22 February 1944 until 12 May 1944. On 24 March 1944, the U-boat sank during a diving accident at the U-boat base quay in Pillau. Two crew members were lost in the incident and U-1102 was raised and decommissioned on 12 May 1944. She was brought to Danzig for repairs and returned to service as a school boat on 15 August 1944 under the command of a new commander Oberleutnant zur See Erwin Sell.[2]U-1102 took part in the Operation Hannibal and sailed on the 1 January 1945 from Gotenhafen to Swinemünde[4] and finally to Kiel where she surrendered.
U-1102 was sunk at 15:05 on 21 December 1945 in the North Atlantic, North-West off the coast of Ireland by naval gun fire from the Polish destroyer ORP Piorun, the British destroyers HMS Onslaught and HMS Zetland and the British sloop HMS Fowey.[2]
^ abcHofmann, Markus (2 February 2014). "U-1102". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 8 April 2016.
^ abcHelgason, Guðmundur (1995). "U-1102". German U-boats of WWII - uboat.net. Retrieved 8 April 2016.
^ ab"U-1102 (+1945)". wrecksite.eu. 29 November 2009. Retrieved 8 April 2016.
^KTB der 25. Minensuchflottille, "Bundesarchiv Berlin", 1945, (in German)
Bibliography
Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN1-55750-186-6.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). German Warships 1815–1945, U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN0-85177-593-4.