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SM UB-66 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 1 August 1917 as SM UB-66.^{[Note 1]}

UB-66 was sunk by HMS Campanula at 38°30′N 24°25′E / 38.500°N 24.417°E / 38.500; 24.417 on 18 January 1918, 30 crew members died in the event.^[1]

Construction

She was built by Friedrich Krupp Germaniawerft of Kiel and following just under a year of construction, launched at Kiel on 31 May 1917. UB-66 was commissioned later that same year under the command of Kptlt. Fritz Wernicke. Like all Type UB III submarines, UB-66 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-66 would carry a crew of up to 3 officer and 31 men and had a cruising range of 9,090 nautical miles (16,830 km; 10,460 mi). UB-66 had a displacement of 513 t (505 long tons) while surfaced and 647 t (637 long tons) when submerged. Her engines enabled her to travel at 13.2 knots (24.4 km/h; 15.2 mph) when surfaced and 7.6 knots (14.1 km/h; 8.7 mph) when submerged.

Summary of raiding history

Date	Name	Nationality	Tonnage^{[Note 2]}	Fate^[4]
19 October 1917	Martha	Denmark	412	Sunk
17 January 1918	Windsor Hall	United Kingdom	3,693	Sunk

References

Notes

^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
^ Tonnages are in gross register tons

Citations

^ ^a ^b ^c ^d ^e ^f Gröner 1991, pp. 25–30.
^ Rössler 1979, p. 27.
^ Helgason, Guðmundur. "WWI U-boat commanders: Fritz Wernicke". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.
^ Helgason, Guðmundur. "Ships hit by UB 66". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.

Bibliography

Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
Rössler, Eberhard (1979). Die deutschen U-Boote und ihre Werften: eine Bilddokumentation über den deutschen U-Bootbau; in zwei Bänden (in German). Vol. I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.

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

[tonnage-5] Tonnages are in gross register tons

[FOOTNOTEGröner199125–30-1] ^ ^a ^b ^c ^d ^e ^f Gröner 1991, pp. 25–30.

[FOOTNOTERössler197927-2] Rössler 1979, p. 27.

[3] Helgason, Guðmundur. "WWI U-boat commanders: Fritz Wernicke". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.

[6] Helgason, Guðmundur. "Ships hit by UB 66". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.

[Note 1]

[1]

[Note 2]

[4]

German Type UB III submarines
SM UB-48 SM UB-49 SM UB-50 SM UB-51 SM UB-52 SM UB-53 SM UB-54 SM UB-55 SM UB-56 SM UB-57 SM UB-58 SM UB-59 SM UB-60 SM UB-61 SM UB-62 SM UB-63 SM UB-64 SM UB-65 SM UB-66 SM UB-67 SM UB-68 SM UB-69 SM UB-70 SM UB-71 SM UB-72 SM UB-73 SM UB-74 SM UB-75 SM UB-76 SM UB-77 SM UB-78 SM UB-79 SM UB-80 SM UB-81 SM UB-82 SM UB-83 SM UB-84 SM UB-85 SM UB-86 SM UB-87 SM UB-88 SM UB-89 SM UB-90 SM UB-91 SM UB-92 SM UB-93 SM UB-94 SM UB-95 SM UB-96 SM UB-97 SM UB-98 SM UB-99 SM UB-100 SM UB-101 SM UB-102 SM UB-103 SM UB-104 SM UB-105 SM UB-106 SM UB-107 SM UB-108 SM UB-109 SM UB-110 SM UB-111 SM UB-112 SM UB-113 SM UB-114 SM UB-115 SM UB-116 SM UB-117 SM UB-118 SM UB-119 SM UB-120 SM UB-121 SM UB-122 SM UB-123 SM UB-124 SM UB-125 SM UB-126 SM UB-127 SM UB-128 SM UB-129 SM UB-130 SM UB-131 SM UB-132 SM UB-133 SM UB-136 SM UB-142 SM UB-143 SM UB-144 SM UB-145 SM UB-148 SM UB-149 SM UB-150 SM UB-154 SM UB-155
Preceded by: Type UB II Followed by: Type VII (World War II)
List of U-boats of Germany

Shipwrecks and maritime incidents in January 1918
Shipwrecks	4 Jan: HMHS Rewa, Racoon 5 Jan: War Baron 9 Jan: SM UB-69 12 Jan: HMS Narborough, HMS Opal 14 Jan: HMS G8 19 Jan: HMS H10, SM UB-22 20 Jan: HMS M28, Midilli, HMS Raglan, Warspite 21 Jan: HMS Louvain 24 Jan: Corse 25 Jan: Normandy 26 Jan: USS Guinevere, SM U-84, SM UB-35, SS Cork 27 Jan: Andania 28 Jan: HMS E14, HMS Hazard, SM U-109 31 Jan: HMS K4, HMS K17 Unknown date: SM U-93, SM U-95, SM UB-63, SM UB-66
Other incidents	8 Jan: USS Jenkins, SS New York 11 Jan: Kasuga 14 Jan: HMS Murray, HMS Vehement 17 Jan: USS Monocacy (incident) 20 Jan: Yavûz Sultân Selîm 29 Jan: HMS Bat, Cedric 31 Jan: HMS K6, HMS K7, HMS Fearless
1917 1918 1919 December 1917 February 1918