|Builder:||William Beardmore, Dalmuir|
|Laid down:||29 May 1916|
|Fate:||Lost, 20 August 1917|
|Class and type:||E-class submarine|
|Displacement:||662 long tons (673 t) (surfaced)
807 long tons (820 t) (submerged)
|Length:||181 ft (55 m)|
|Beam:||15 ft (4.6 m)|
|Installed power:||3,200 hp (2,400 kW) (diesel engines)
1,680 hp (1,250 kW) (electric motors)
|Propulsion:||2 × diesel engines
2 × electric motors
2 × screws
|Speed:||15 kn (17 mph; 28 km/h) (surfaced)
10 kn (12 mph; 19 km/h) (submerged)
|Range:||3,000 nmi (3,500 mi; 5,600 km) at 10 kn (12 mph; 19 km/h) (surfaced)
65 nmi (75 mi; 120 km) at 5 kn (5.8 mph; 9.3 km/h) (surfaced)
|Armament:||5 × 18 in (460 mm) torpedo tubes (2 bow, 2 beam, 1 stern), 1 × 12-pounder gun|
E47 was based at Harwich with the 9th Flotilla - depot ships Maidstone and Forth. She was engaged in North Sea patrols off the German and Dutch coasts. Following the resumption of German coastal shipping between Heligoland Bight and Rotterdam, four E-class submarines were sent to intercept. E47 was lost in the North Sea on 20 August 1917. There were no survivors.
Wreck of E47
The wreck of E47, found in 2002 by Divingteam Noordkaap from Vlieland, lies about 6 nmi (6.9 mi; 11 km) northwest of Texel. The deck gun, which was torn off its mounting, probably by a trawler, and was lying beside the wreck, has been salvaged and identifies the wreck.
The wreck bears the Dutch Hydrographic Department wreck number 927, and lies in position Coordinates: .
- "Colin Fraser Creswell". Commonwealth War Graves Commission. Retrieved 27 January 2015.
- "Colin Francis Creswell 1894 - 1917 and HMS Implacable and Sub E-47". ahoy.tk-jk.net. Ahoy - Mac's Web Log. Retrieved 27 January 2015.
- Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. London: HarperCollins. ISBN 978-0-00-710558-8. OCLC 53783010.
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