HMS M21
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| History | |
|---|---|
 United Kingdom | |
| Name | HMS M21 |
| Builder | Sir Raylton Dixon & Co. |
| Laid down | 1 March 1915 |
| Launched | 27 May 1915 |
| Fate | Sunk 20 October 1918 off Dover |
| General characteristics | |
| Class and type | M15 class monitor |
| Displacement | 540 tons |
| Length | 177 ft 3 in (54.03 m) |
| Beam | 31 ft (9.4 m) |
| Draught | 6 ft 9 in (2.06 m) |
| Propulsion |
|
| Speed | 11 knots |
| Complement | 69 |
| Armament |
|
HMS M21 was a
.Design
Intended as a shore bombardment vessel, M21's primary armament was a single
six pound anti-aircraft gun
. Due to the shortage of Bolinder diesel engines that equipped her sisters, she was fitted with 2 shaft triple expansion steam engines that allowed a top speed of eleven knots. The monitor's crew consisted of sixty nine officers and men.
Construction
HMS M21 ordered in March, 1915, as part of the
Sir Raylton Dixon & Co. Ltd shipyard at Govan
in March 1915, launched on 27 May 1915, and completed in July 1915.
World War I
M21 served initially in the
BL 7.5-inch (190.5 mm) Mk III 50-caliber gun
was fitted in lieu.
M21 then served with the Dover Patrol from October 1917.
Loss
M21 struck a mine off Ostend on 20 October 1918. She was taken in tow to Dover, but sank off West Pier.
Citations
- ISBN 0-85177-245-5.
References
- ISBN 978-1-86176-281-8.
- Dittmar, F. J. & Colledge, J. J., "British Warships 1914-1919", (Ian Allan, London, 1972), ISBN 0-7110-0380-7
Shipwrecks and maritime incidents in October 1918 | |
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| Shipwrecks |
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| Other incidents |
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