SM U-15 (Austria-Hungary)

History
Austria-Hungary
Name	SM U-15
Builder	AG Weser, Bremen
Yard number	232
Launched	September 1915
Commissioned	6 October 1915
Fate	Handed over to Italy as war reparations and scrapped, 1920
Service record
Commanders:	Friedrich Schlosser; 6 October – 18 November 1915; Friedrich Fähndrich; 28 November 1915 – 25 March 1916; Franz Rzemenowsky von Trautenegg; 25 March – 10 May 1916; Friedrich Fähndrich; 10 May – 11 December 1916; Franz Rzemenowsky von Trautenegg; 9 – 28 October 1916; Otto Molitor; 11 December 1916 – 15 June 1917; Franz Rzemenowsky von Trautenegg; 1 – 12 June 1917; Otto Molitor; 12 June – 17 July 1917; Ludwig Müller; 17 July 1917 – 9 March 1918; Andreas Korparic; 17 March – 31 October 1918;
Victories:	5 merchant ships sunk ; (8,044 GRT); 1 warship sunk ; (745 tons);
General characteristics
Type	U-10-class submarine
Displacement	125.5 long tons (127.51 t) surfaced; 140.25 long tons (142.50 t) submerged;
Length	28.10 m (92 ft 2 in) (o/a); 23.62 m (77 ft 6 in) pressure hull;
Beam	3.15 m (10 ft 4 in)
Draught	3.03 m (9 ft 11 in)
Propulsion	1 × shaft; 1 × Daimler diesel engine, 59 bhp (44 kW); 1 × electric motor, 119 shp (89 kW);
Speed	6.5 knots (12.0 km/h; 7.5 mph) surfaced; 5.5 knots (10.2 km/h; 6.3 mph) submerged;
Range	1,500 nmi (2,800 km; 1,700 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced; 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Complement	17
Armament	2 × 45 cm (17.7 in) torpedo tubes (both in front); 2 torpedoes; 1 × 37 mm/23 (1.5 in) QF gun, October 1916; 1 × 47 mm (1.9 in)/33 QF gun, November 1917;

SM U-15 or U-XV was a U-10-class submarine or U-boat of the Austro-Hungarian Navy (German: Kaiserliche und Königliche Kriegsmarine or K.u.K. Kriegsmarine) during World War I. U-15 was constructed in Germany and shipped by rail to Pola where she was assembled and launched in April 1915. She was commissioned in October 1915. U-15 was the most successful boat of the U-10 class, sinking six ships totaling 8,044 gross register tons (GRT) and 745 tons. The boat survived the war and was handed over to Italy as a war reparation and scrapped in 1920.

History
Austria-Hungary
Name	SM U-15
Builder	AG Weser, Bremen
Yard number	232
Launched	September 1915
Commissioned	6 October 1915
Fate	Handed over to Italy as war reparations and scrapped, 1920
Service record
Commanders:	Friedrich Schlosser 6 October – 18 November 1915 Friedrich Fähndrich 28 November 1915 – 25 March 1916 Franz Rzemenowsky von Trautenegg 25 March – 10 May 1916 Friedrich Fähndrich 10 May – 11 December 1916 Franz Rzemenowsky von Trautenegg 9 – 28 October 1916 Otto Molitor 11 December 1916 – 15 June 1917 Franz Rzemenowsky von Trautenegg 1 – 12 June 1917 Otto Molitor 12 June – 17 July 1917 Ludwig Müller 17 July 1917 – 9 March 1918 Andreas Korparic 17 March – 31 October 1918
Victories:	5 merchant ships sunk (8,044 GRT) 1 warship sunk (745 tons)
General characteristics
Type	U-10-class submarine
Displacement	125.5 long tons (127.51 t) surfaced 140.25 long tons (142.50 t) submerged
Length	28.10 m (92 ft 2 in) (o/a) 23.62 m (77 ft 6 in) pressure hull
Beam	3.15 m (10 ft 4 in)
Draught	3.03 m (9 ft 11 in)
Propulsion	1 × shaft 1 × Daimler diesel engine, 59 bhp (44 kW) 1 × electric motor, 119 shp (89 kW)
Speed	6.5 knots (12.0 km/h; 7.5 mph) surfaced 5.5 knots (10.2 km/h; 6.3 mph) submerged
Range	1,500 nmi (2,800 km; 1,700 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Complement	17
Armament	2 × 45 cm (17.7 in) torpedo tubes (both in front) 2 torpedoes 1 × 37 mm/23 (1.5 in) QF gun, October 1916 1 × 47 mm (1.9 in)/33 QF gun, November 1917