SM UB-88

	UB-88 alongside USS Bittern at Pedro Miguel Panama Canal, August 1919
History
German Empire
Name	UB-88
Ordered	6 / 8 February 1917
Builder	AG Vulcan, Hamburg
Cost	3,654,000 German Papiermark
Yard number	104
Laid down	February 1917
Launched	11 December 1917
Commissioned	26 January 1918
Fate	Surrendered 26 November 1918, sunk as target 3 January 1921 at 33°35′54″N 118°14′41″W / 33.5984°N 118.2448°W
General characteristics
Class and type	Type UB III submarine
Displacement	510 t (500 long tons) surfaced; 640 t (630 long tons) submerged;
Length	55.52 m (182 ft 2 in) (o/a)
Beam	5.76 m (18 ft 11 in)
Draught	3.73 m (12 ft 3 in)
Propulsion	2 × propeller shaft; 2 × MAN-Vulcan four-stroke 6-cylinder diesel engines, 1,085 bhp (809 kW); 2 × Siemens-Schuckert electric motors, 780 shp (580 kW);
Speed	13 knots (24 km/h; 15 mph) surfaced; 7.4 knots (13.7 km/h; 8.5 mph) submerged;
Range	7,120 nmi (13,190 km; 8,190 mi) at 6 knots (11 km/h; 6.9 mph) surfaced; 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	50 m (160 ft)
Complement	3 officers, 31 men
Armament	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern); 10 torpedoes; 1 × 10.5 cm (4.13 in) deck gun;
Service record
Part of:	Flandern I Flotilla; 12 June – 4 October 1918; II Flotilla; 4 October – 11 November 1918;
Commanders:	Oblt.z.S. Johannes Ries; 26 January – 15 February 1918 ; Kptlt. Reinhard von Rabenau; 16 February – 11 November 1918;
Operations:	5 patrols
Victories:	14 merchant ships sunk ; (31,076 GRT); 2 merchant ships damaged ; (10,135 GRT);

SM UB-88 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 26 January 1918 as SM UB-88.^{[Note 1]}

^ Rössler 1979, p. 61.
^ Cite error: The named reference Delsescaux was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e Gröner 1991, pp. 25–30.
^ Helgason, Guðmundur. "WWI U-boat commanders: Johannes Ries". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.
^ Helgason, Guðmundur. "WWI U-boat commanders: Reinhard von Rabenau (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.

Cite error: There are <ref group=Note> tags on this page, but the references will not show without a {{reflist|group=Note}} template (see the help page).

[FOOTNOTERössler197961-1] Rössler 1979, p. 61.

[Delsescaux-2] Cite error: The named reference Delsescaux was invoked but never defined (see the help page).

[FOOTNOTEGröner199125–30-3] Gröner 1991, pp. 25–30.

[4] Helgason, Guðmundur. "WWI U-boat commanders: Johannes Ries". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.

[5] Helgason, Guðmundur. "WWI U-boat commanders: Reinhard von Rabenau (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 February 2015.

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[Note 1]

History
UB-88 alongside USS Bittern at Pedro Miguel Panama Canal, August 1919
German Empire
Name	UB-88
Ordered	6 / 8 February 1917^[1]
Builder	AG Vulcan, Hamburg
Cost	3,654,000 German Papiermark
Yard number	104
Laid down	February 1917^[2]
Launched	11 December 1917^[3]
Commissioned	26 January 1918^[3]
Fate	Surrendered 26 November 1918, sunk as target 3 January 1921^[3] at 33°35′54″N 118°14′41″W / 33.5984°N 118.2448°W / 33.5984; -118.2448
General characteristics ^[3]
Class and type	Type UB III submarine
Displacement	510 t (500 long tons) surfaced 640 t (630 long tons) submerged
Length	55.52 m (182 ft 2 in) (o/a)
Beam	5.76 m (18 ft 11 in)
Draught	3.73 m (12 ft 3 in)
Propulsion	2 × propeller shaft 2 × MAN-Vulcan four-stroke 6-cylinder diesel engines, 1,085 bhp (809 kW) 2 × Siemens-Schuckert electric motors, 780 shp (580 kW)
Speed	13 knots (24 km/h; 15 mph) surfaced 7.4 knots (13.7 km/h; 8.5 mph) submerged
Range	7,120 nmi (13,190 km; 8,190 mi) at 6 knots (11 km/h; 6.9 mph) surfaced 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	3 officers, 31 men^[3]
Armament	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) 10 torpedoes 1 × 10.5 cm (4.13 in) deck gun
Service record
Part of:	Flandern I Flotilla 12 June – 4 October 1918 II Flotilla 4 October – 11 November 1918
Commanders:	Oblt.z.S. Johannes Ries^[4] 26 January – 15 February 1918 Kptlt. Reinhard von Rabenau^[5] 16 February – 11 November 1918
Operations:	5 patrols
Victories:	14 merchant ships sunk (31,076 GRT) 2 merchant ships damaged (10,135 GRT)