SM UB-16

SM UB-16
History
German Empire
Name	UB-16
Ordered	25 November 1914[1]
Builder	AG Weser, Bremen[2]
Yard number	225[1]
Laid down	21 February 1915[1]
Launched	26 April 1915[1]
Commissioned	12 May 1915[1]
Fate	Torpedoed by HMS E34 on 10 May 1918[1]
General characteristics [3]
Class and type	Type UB I submarine
Displacement	127 t (125 long tons) surfaced 141 t (139 long tons) submerged
Length	27.88 m (91 ft 6 in) (o/a)
Beam	3.15 m (10 ft 4 in)
Draught	3.03 m (9 ft 11 in)
Propulsion	1 × propeller shaft 1 × Körting 4-cylinder diesel engine, 59 bhp (44 kW) 1 × Siemens-Schuckert electric motor, 119 shp (89 kW)
Speed	7.45 knots (13.80 km/h; 8.57 mph) surfaced 6.24 knots (11.56 km/h; 7.18 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
Test depth	50 metres (160 ft)
Complement	14
Armament	2 × 45 cm (17.7 in) bow torpedo tubes 2 × torpedoes 1 × 8 mm (0.31 in) machine gun
Notes	33-second diving time
Service record
Part of:	Flanders Flotilla[1] 1 June 1915 – 10 May 1918
Commanders:	Oblt. Hans Valentiner[1] 12 May 1915 – 4 April 1916 Oblt. Paul Hundius 5 April – 29 August 1916 Oblt. Ernst Müller-Schwarz 30 August 1916 – 19 January 1917 Oblt. Hans Ewald Niemer 20 January – 17 March 1917 Oblt. Hugo Thielmann 18 March – 22 April 1917 Oblt. Wilhelm Rhein 23 April – 25 August 1917 Oblt. Günther Bachmann 26 August – 24 December 1917 Oblt. Alfred Krameyer 25 December 1917 – 19 February 1918 Oblt. Rudolf Stier 20 February – 21 April 1918 Oblt. Vicco von der Lühe 22 April – 10 May 1918
Operations:	87 patrols[1]
Victories:	24 merchant ships sunk (18,711 GRT)[1] 1 warship sunk (1,075 tons) 1 merhchant ship damaged (5,822 GRT) 1 merhchant ship taken as prize (Unknown GRT)

SM UB-16 was a German Type UB I submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The submarine was sunk by a British submarine in May 1918.

UB-16 was ordered in November 1914 and was laid down at the AG Weser shipyard in Bremen in February 1915. UB-16 was a little under 28 metres (92 ft) in length and displaced between 127 and 141 tonnes (125 and 139 long tons), depending on whether surfaced or submerged. She carried two torpedoes for her two bow torpedo tubes and was also armed with a deck-mounted machine gun. UB-16 was broken into sections and shipped by rail to Antwerp for reassembly. She was launched in April 1915 and commissioned as SM UB-16 in May.^{[Note 1]}

UB-16 spent her entire career in the Flanders Flotilla and sank 24 merchant ships, about half of them British fishing vessels. The U-boat was also responsible for sinking the new British destroyer HMS Recruit in 1917. In 1918, UB-16 was converted into a minelayer with the replacement of her torpedo tubes with four mine chutes. On 10 May 1918, UB-16 was torpedoed by the British submarine HMS E34 off the British east coast. Of the 16 men on board, only UB-16's commander survived the attack.

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