SM U-99

For other ships with the same name, see German submarine U-99.

History

German Empire
Name:	U-99
Ordered:	15 September 1915
Builder:	AG Weser, Bremen
Laid down:	30 November 1915
Launched:	27 January 1917
Commissioned:	28 March 1917
Fate:	Sunk by HMS J2 7 July 1917
General characteristics ^[1]
Class and type:	German Type U 57 submarine
Displacement:	750 t (740 long tons) surfaced 952 t (937 long tons) submerged
Length:	67.60 m (221 ft 9 in) (o/a) 54.02 m (177 ft 3 in) (pressure hull)
Beam:	6.32 m (20 ft 9 in) (o/a) 4.05 m (13 ft 3 in) (pressure hull)
Height:	8.25 m (27 ft 1 in)
Draught:	3.65 m (12 ft)
Installed power:	2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion:	2 shafts, 2 × 1.65 m (5 ft 5 in) propellers
Speed:	16.5 knots (30.6 km/h; 19.0 mph) surfaced 8.8 knots (16.3 km/h; 10.1 mph) submerged
Range:	10,100 nmi (18,700 km; 11,600 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth:	50 m (164 ft 1 in)
Complement:	4 officers, 32 enlisted
Armament:	4 × 50 cm (19.7 in) torpedo tubes (two bow, two stern) 10–12 torpedoes 1 × 10.5 cm (4.1 in) deck gun 1 × 8.8 cm (3.5 in) deck gun
Service record
Part of:	II Flotilla 7 June – 7 July 1917
Commanders:	Kptlt. Max Eltester^[2] 28 March – 7 July 1917
Operations:	1 patrol
Victories:	None

SM U-99^{[Note 1]} was one of the 329 submarines serving in the Imperial German Navy in World War I.

U-99 was engaged in the naval warfare and took part in the First Battle of the Atlantic.^[3]

Operations

The Royal Navy submarine HMS J2 is credited with sinking U-99 in the Northern North Sea on 7 July 1917.

↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

↑ Gröner 1991, pp. 12-14.
↑ Helgason, Guðmundur. "WWI U-boat commanders: Max Eltester". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 16 March 2015.
↑ Helgason, Guðmundur. "WWI U-boats: U 99". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 16 March 2015.

Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.

German Type U 57 submarine

SM U-57 SM U-58 SM U-59 SM U-60 SM U-61 SM U-62 SM U-99 SM U-100 SM U-101 SM U-102 SM U-103 SM U-104

Preceded by: Type U 51 Followed by: Type U 63 List of U-boats of Germany

Shipwrecks and maritime incidents in July 1917

Shipwrecks	6 Jul: HMS Itchen 7 Jul: USS Saxis, SM U-99 9 Jul: HMS Vanguard 10 Jul: City of Washington 15 Jul: HMS Redbreast 17 Jul: HMS C34 23 Jul: HMS Otway 25 Jul: RFA Oakleaf 26 Jul: HMS Ariadne, SM UC-61 27 Jul: Batavier II 28 Jul: SM UB-20 29 Jul: SM UB-27 31 Jul: USS Chingachgook Unknown date: SM U-69, SM UC-1, SM UC-7

Other incidents	26 Jul: SM UB-23 29 Jul: SM UB-23

1916 1917 1918 June 1917 August 1917

This article is issued from Wikipedia - version of the 9/6/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.