D3

 

Type:
'D' Class

Pennant No.:
I.73

Laid Down:
15th March 1910.
Vickers, Barrow-in-Furness.

Commissioned:
30th August 1911.
Lt. F.A. Somverville.

Commander:
1911
Lt. F.A. Somverville.
Oct. 1912
Lt. F.H.H. Goodhart.
Mar. 1914
Lt. Cdr. E.C. Boyle.
Sept. 1914
Lt. Cdr. R.R. Turner.
1915
Lt. R.T. Dimsdale.
1916
Lt. Cdr. B.L. Johnson.
1916 - 1918
Lt. W. Maitland RCN.
The first Canadian Officer to command a British submarine.

Complement:
25
3 Officers, 22 Ratings.

Service Career:
1913
8th Flotilla, HMS Maidstone, Portsmouth.
1914
8th Flotilla, HMS Adamant, Harwich.
1915
8th Flotilla, HMS Maidstone, Harwich.
1916
3rd Flotilla, HMS Vulcan, Immingham.
1917
14th Flotilla, HMS Vulcan, Queenstown.
1917
Platypus Flotilla, HMS Platypus, Queenstown.
1917
Platypus Flotilla, HMS Platypus, Killybegs.
1918
6th Flotilla, HMS Dolphin, Portsmouth.

Fate:
Supported the British surface fleet at the 'Battle of Helgoland'.

Sunk in error by a French airship in the Channel, 12th March 1918.