| Career (German Empire) | |
|---|---|
| Class and type: | German Type UC II submarine |
| Name: | UC-47 |
| Ordered: | 20 November 1915[1] |
| Builder: | AG Weser, Bremen[2] |
| Yard number: | 257[1] |
| Laid down: | 1 February 1916[1] |
| Launched: | 30 August 1916[1] |
| Commissioned: | 13 October 1916[1] |
| Fate: | rammed by patrol boat off Flamborough Head, 18 November 1917[1] |
| General characteristics | |
| Class and type: | Type UC II submarine |
| Displacement: | 420 t (460 short tons), surfaced[2] 502 t (553 short tons), submerged |
| Length: | 170 ft 1 in (51.84 m)[2] |
| Beam: | 17 ft 4 in (5.28 m)[2][Note 1] |
| 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: | 11.7 knots (21.7 km/h), surfaced[2] 6.7 to 7.4 knots (12.4 to 13.7 km/h), submerged[Note 2] |
| Endurance: | 7,280 nautical miles @ 7 knots, surfaced[3] (13,480 km @ 13 km/h) 54 nautical miles @ 4 knots, submerged[3] (100 km @ 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: | 30-second diving time[2] |
SM UC-47 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 20 November 1915, laid down on 1 February 1916, and was launched on 30 August 1916. She was commissioned into the German Imperial Navy on 13 October 1916 as SM UC-47.[Note 3] In 13 patrols UC-47 was credited with sinking 56 ships, either by torpedo or by mines laid. UC-47 was rammed and depth charged by British patrol boat P-57 off Flamborough Head on 18 November 1917. UC-47 went down with all hands.[1]
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