SM UC-69

For other ships of the same name, see German submarine U-69.
Career (German Empire)
Name: SM UC-69
Ordered: 12 January 1916[1]
Builder: Blohm & Voss, Hamburg[2]
Yard number: 285[1]
Launched: 7 August 1916[1]
Commissioned: 22 December 1916[1]
Fate: sunk after collision with SM U-96, 6 December 1917[1]
General characteristics
Class and type:German Type UC II submarine
Displacement:427 t (471 short tons), surfaced[2]
508 t (560 short tons), submerged
Length:165 ft 2 in (50.34 m)[2]
Beam:17 ft 4 in (5.28 m)[2]
Draft:12 ft 2 in (4 m)[3]
Propulsion:2 × propeller shafts
2 × 6-cylinder, 4-stroke diesel engines, 500 bhp (370 kW)[3]
2 × electric motors, 460 shp (340 kW)[3]
Speed:12.0 knots (22.2 km/h), surfaced[2]
7.4 knots (13.7 km/h), submerged
Endurance:10,420 nautical miles at 7 knots, surfaced[3]
(19,300 km at 13 km/h)
52 nautical miles at 4 knots, submerged[3]
(96 km at 7.4 km/h)
Test depth:50 m (160 ft)[3]
Complement:26[3]
Armament:6 × 100 cm (39.4 in) mine tubes[3]
18 × UC 200 mines
3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern)
7 × torpedoes
1 × 8.8 cm (3.46 in) KL/30 deck gun[2]
Notes:35-second diving time[2]
Service record
Part of: Flandern Flotilla
6 Mar 1917 - 6 Dec 1917
Commanders: Kptlt Erwin Waßner[4]
23 Dec 1916 - 8 Aug 1917
Oblt Hugo Thielmann[5]
9 Aug 1917 - 6 Dec 1917
Operations: 9 patrols
Victories: 53 merchant ship sunk (99,285 GRT)
3 merchant ships damaged (16,705 GRT)
1 warship damaged (975 tons)

SM UC-69 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 12 January 1916 and was launched on 7 August 1916. She was commissioned into the German Imperial Navy on 22 December 1916 as SM UC-69.[Note 1] In nine patrols UC-69 was credited with sinking 53 ships, either by torpedo or by mines laid. UC-69 was sunk after being accidentally rammed by U-96 near Barfleur on 6 December 1917.[1]

Summary of Raiding Career

Date Name Nationality Tonnage
(GRT)		 Fate[6]
12 March 1917 HMS Skate  Royal Navy 975 Damaged
25 March 1917 Huntleys  United Kingdom 186 Sunk
25 March 1917 Mary Annie  United Kingdom 154 Sunk
26 March 1917 Norma  Sweden 1,443 Sunk
27 March 1917 Aasta  Norway 1,146 Sunk
27 March 1917 Grib  Norway 1,474 Sunk
27 March 1917 Thracia  United Kingdom 2,891 Sunk
28 March 1917 Katina  Greece 2,464 Sunk
29 March 1917 Morild I  Norway 1,354 Sunk
30 March 1917 Avanguardia  Kingdom of Italy 2,703 Sunk
30 March 1917 Britta  Norway 2,061 Sunk
31 March 1917 Farmand  Norway 1,387 Sunk
1 May 1917 Barreiro  Portugal 1,738 Sunk
3 May 1917 Maria  Greece 2,754 Sunk
3 May 1917 Polstad  Norway 2,692 Sunk
4 May 1917 Ilva  Kingdom of Italy 2,140 Sunk
4 May 1917 Ioannis P. Goulandris  Greece 3,153 Sunk
4 May 1917 Tromp  Norway 2,751 Sunk
6 May 1917 Gurth  Norway 1,340 Sunk
6 May 1917 Voss  Norway 2,390 Sunk
7 May 1917 Leikanger  Norway 3,544 Sunk
7 May 1917 Tiger  Norway 3,273 Sunk
22 May 1917 Nann Smith  Norway 2,093 Sunk
12 June 1917 Alexandre  France 697 Sunk
14 June 1917 Hasting  Sweden 983 Sunk
15 June 1917 Addah  United Kingdom 4,397 Sunk
16 June 1917 La Tour D’agon  France 125 Sunk
19 June 1917 Bearn  France 1,288 Sunk
19 June 1917 Spind  Norway 1,174 Sunk
20 June 1917 Katerina  Greece 3,092 Sunk
21 June 1917 E. T. Nygaard  Denmark 1,923 Sunk
24 June 1917 Cabo Verde  Portugal 2,220 Sunk
24 June 1917 Helma  Norway 1,131 Sunk
10 July 1917 Kansan  United States 7,913 Sunk
20 July 1917 Kageshima Maru  Japan 4,697 Sunk
23 July 1917 Frithjof  Norway 1,389 Sunk
24 July 1917 Sir Walter  United Kingdom 492 Sunk
25 July 1917 Baldwin  Norway 1,130 Sunk
26 July 1917 Bertha  Portugal 107 Sunk
26 July 1917 Locksley  Norway 2,487 Sunk
26 July 1917 Venturoso  Portugal 290 Sunk
28 July 1917 Hildur  Norway 961 Sunk
29 July 1917 Gyldenpris  Norway 2,667 Sunk
10 August 1917 War Patrol  United Kingdom 2,045 Sunk
1 September 1917 Erato  United Kingdom 2,041 Sunk
2 September 1917 Ker Durand  France 56 Sunk
2 September 1917 Rytonhall  United Kingdom 4,203 Sunk
4 September 1917 Sadi Carnot  France 354 Sunk
5 September 1917 Alesia  France 6,006 Damaged
15 September 1917 Sommeina  United Kingdom 3,317 Sunk
26 September 1917 Acorn  United Kingdom 112 Sunk
26 September 1917 Port Victor  United Kingdom 7,280 Damaged
6 October 1917 Lamartine  France 424 Sunk
6 October 1917 Le Coq  United Kingdom 3,419 Damaged
2 November 1917 Farraline  United Kingdom 1,226 Sunk
27 November 1917 Gladys  United Kingdom 179 Sunk
9 February 1918 Fantoft  Norway 1,034 Sunk
19 September 1918 Belliqueux  France unknown Sunk

Notes

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

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Helgason, Guðmundur. "WWI U-boats: UC-69". U-Boat War in World War I. Uboat.net. Retrieved 23 February 2009.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Tarrant, p. 173.
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Gardiner, p. 182.
  4. ↑ "Erwin Waßner (Pour le Mérite)". Uboat.net. Retrieved 3 March 2015.
  5. ↑ "Hugo Thielmann". Uboat.net. Retrieved 3 March 2015.
  6. ↑ "SM UC-69 successes". UBoat.net. Retrieved 3 March 2015.

Bibliography

  • Gardiner, Robert, ed. (1985). Conway's All the World's Fighting Ships, 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-907-8. OCLC 12119866.
  • Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-764-7. OCLC 20338385.