Difference between revisions of "Twelfth Submarine Flotilla (Royal Navy)"

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The '''Twelfth Submarine Flotilla''' was a formation of [[Submarine|submarines]] of the [[Royal Navy]].   
 
The '''Twelfth Submarine Flotilla''' was a formation of [[Submarine|submarines]] of the [[Royal Navy]].   
  
−
==Composition==
+
==History==
 +
 
 +
===January, 1917===
 +
The flotilla is established to join the {{UK-SF|10}} and {{UK-SF|11}} in directly supporting the [[Grand Fleet]].  It starts with a single cruiser, {{UK-Fearless}} which had been attached to the [[Grand Fleet]] and one of the new "K" class submarines.{{SMNLJan17|p. 12}}{{SMNLDec16|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Light Cruiser'''
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|colspan=6 align=center|{{UK-K3}}
 +
|-
 +
|}
 +
 
 +
===March, 1917===
 +
By March, three more submarines had joined, bringing the strength to a scout cruiser and four steam submarines.{{SMNLMar17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Light Cruiser'''
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
| ||align=center|{{UK-K1}}||align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K4}}
 +
|-
 +
|}
 +
 
 +
===April, 1917===
 +
Four more submarines have joined, bringing the strength to a scout cruiser and eight steam submarines.  In May, ''Fearless'' would have a Captain (S) embarked.{{SMNLApr17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Light Cruiser''', Captain (S) from May onward
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
| ||align=center|{{UK-K1}}||align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K4}}
 +
|-
 +
| ||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}||align=center|{{UK-K11}}
 +
|-
 +
|}
 +
 
 +
Apart from the arrival of the Captain (S), the roster would remain unchanged until June.{{SMNLMay17|p. 12}}
 +
 
 +
===June, 1917===
 +
{{UK-K11}} has been sent to the new {{UK-SF|13}}, a second formation of these large submarines.  She is replaced by the {{UK-K5}}.  The strength remains as a flagship cruiser and eight submarines.{{SMNLJun17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
| ||align=center|{{UK-K1}}||align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K4}}
 +
|-
 +
| ||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|}
 +
 
 +
This roster would remain until October.{{SMNLJul17|p. 12 and Supplements through October}}
 +
 
 +
===October, 1917===
 +
{{UK-K17}} has arrived, possibly... she is also listed as being in the {{UK-SF|13}} this same month.  The strength is now a flagship cruiser and eight or nine submarines.{{SMNLOct17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|colspan=2 align=center|{{UK-K1}}||colspan=2 align=center|{{UK-K2}}||colspan=2 align=center|{{UK-K3}}
 +
|-
 +
|colspan=2 align=center|{{UK-K4}}||colspan=2 align=center|{{UK-K5}}||colspan=2 align=center|{{UK-K6}}
 +
|-
 +
|colspan=2 align=center|{{UK-K7}}||colspan=2 align=center|{{UK-K8}}||colspan=2 align=center|{{UK-K17}}
 +
|-
 +
|}
 +
 
 +
===November, 1917===
 +
{{UK-K17}} is now only listed under the {{UK-SF|13}}.  The strength is a flagship cruiser and eight submarines.{{SMNLNov17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
| ||align=center|{{UK-K1}}||align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K4}}
 +
|-
 +
| ||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|}
 +
 
 +
===December, 1917===
 +
{{UK-K1}} has been removed, lost in a collision on 17 November.  The strength is now a flagship cruiser and seven submarines.{{SMNLDec17|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|colspan=2 align=center|{{UK-K2}}||colspan=2 align=center|{{UK-K3}}||colspan=2 align=center|{{UK-K4}}
 +
|-
 +
| ||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|}
 +
 
 +
This roster would apply until February.{{SMNLJan18|p. 12}}
 +
 
 +
===February, 1918===
 +
{{UK-K4}} has been removed, lost in a collision on 31 January.  The strength is now a flagship cruiser and six submarines.{{SMNLFeb18|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|}
 +
 
 +
===March, 1918===
 +
{{UK-K15}} has joined.  The strength is now a flagship cruiser and seven submarines.{{SMNLMar18|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|align=center colspan=6|{{UK-K15}}
 +
|-
 +
|}
 +
 
 +
This roster would apply until May.{{SMNLApr18|p. 12}}
 +
 
 +
===May, 1918===
 +
{{UK-RoyalArthur}} has joined to act as a depot ship.  The strength is now a flagship cruiser, a depot ship and seven submarines.{{SMNLMar18|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Supporting the [[Grand Fleet]]'''
 +
|-
 +
|align=center colspan=6|'''Flagship''', Captain (S)
 +
|-
 +
|align=center colspan=6|{{UK-Fearless}}
 +
|-
 +
|align=center colspan=6|'''Depot Ship'''
 +
|-
 +
|align=center colspan=6|{{UK-RoyalArthur}}
 +
|-
 +
|align=center colspan=6|'''Submarines'''
 +
|-
 +
|align=center|{{UK-K2}}||align=center|{{UK-K3}}||align=center|{{UK-K5}}||align=center|{{UK-K6}}||align=center|{{UK-K7}}||align=center|{{UK-K8}}
 +
|-
 +
|align=center colspan=6|{{UK-K15}}
 +
|-
 +
|}
 +
 
 +
This roster would apply through the end of the war and until March, 1919.{{SMNLJun18|p. 12 and Supplements through March, 1919}}
 +
 
 +
===March, 1919===
 +
A post-war reorganization sees the flotilla re-designated, with an unaltered roster, as the {{UK-SF|1}}.  The Twelfth Flotilla is disestablished.{{SMNLMar19|p. 12}}
 +
 
 +
{|width=75% class="toccolours"
 +
|-
 +
| style="background:#CEDFF2" align=center colspan=6 | '''Disestablished'''
 +
|-
 +
|align=center colspan=6|Not to be re-instituted during the Dreadnought Era
 +
|}
 +
 
  
 
==Captains (S)==
 
==Captains (S)==
Line 14: Line 225:
  
 
==See Also==
 
==See Also==
 +
{{refbegin}}
 +
{{refend}}
  
 
{{RNSubmarineFlotillas|sort=12}}
 
{{RNSubmarineFlotillas|sort=12}}

Revision as of 10:00, 6 June 2013

The Twelfth Submarine Flotilla was a formation of submarines of the Royal Navy.

History

January, 1917

The flotilla is established to join the Tenth Submarine Flotilla and Eleventh Submarine Flotilla in directly supporting the Grand Fleet. It starts with a single cruiser, Fearless which had been attached to the Grand Fleet and one of the new "K" class submarines.[1][2]

Supporting the Grand Fleet
Light Cruiser
Fearless
Submarines
K 3

March, 1917

By March, three more submarines had joined, bringing the strength to a scout cruiser and four steam submarines.[3]

Supporting the Grand Fleet
Light Cruiser
Fearless
Submarines
  K 1 K 2 K 3 K 4

April, 1917

Four more submarines have joined, bringing the strength to a scout cruiser and eight steam submarines. In May, Fearless would have a Captain (S) embarked.[4]

Supporting the Grand Fleet
Light Cruiser, Captain (S) from May onward
Fearless
Submarines
  K 1 K 2 K 3 K 4
  K 6 K 7 K 8 K 11

Apart from the arrival of the Captain (S), the roster would remain unchanged until June.[5]

June, 1917

K 11 has been sent to the new Thirteenth Submarine Flotilla, a second formation of these large submarines. She is replaced by the K 5. The strength remains as a flagship cruiser and eight submarines.[6]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
  K 1 K 2 K 3 K 4
  K 5 K 6 K 7 K 8

This roster would remain until October.[7]

October, 1917

K 17 has arrived, possibly... she is also listed as being in the Thirteenth Submarine Flotilla this same month. The strength is now a flagship cruiser and eight or nine submarines.[8]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
K 1 K 2 K 3
K 4 K 5 K 6
K 7 K 8 K 17

November, 1917

K 17 is now only listed under the Thirteenth Submarine Flotilla. The strength is a flagship cruiser and eight submarines.[9]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
  K 1 K 2 K 3 K 4
  K 5 K 6 K 7 K 8

December, 1917

K 1 has been removed, lost in a collision on 17 November. The strength is now a flagship cruiser and seven submarines.[10]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
K 2 K 3 K 4
  K 5 K 6 K 7 K 8

This roster would apply until February.[11]

February, 1918

K 4 has been removed, lost in a collision on 31 January. The strength is now a flagship cruiser and six submarines.[12]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
K 2 K 3 K 5 K 6 K 7 K 8

March, 1918

K 15 has joined. The strength is now a flagship cruiser and seven submarines.[13]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Submarines
K 2 K 3 K 5 K 6 K 7 K 8
K 15

This roster would apply until May.[14]

May, 1918

Royal Arthur has joined to act as a depot ship. The strength is now a flagship cruiser, a depot ship and seven submarines.[15]

Supporting the Grand Fleet
Flagship, Captain (S)
Fearless
Depot Ship
Royal Arthur
Submarines
K 2 K 3 K 5 K 6 K 7 K 8
K 15

This roster would apply through the end of the war and until March, 1919.[16]

March, 1919

A post-war reorganization sees the flotilla re-designated, with an unaltered roster, as the First Submarine Flotilla. The Twelfth Flotilla is disestablished.[17]

Disestablished
Not to be re-instituted during the Dreadnought Era


Captains (S)

Dates of appointment given:

Footnotes

  1. ↑ Supplement to the Monthly Navy List. (January, 1917). p. 12.
  2. ↑ Supplement to the Monthly Navy List. (December, 1916). p. 12.
  3. ↑ Supplement to the Monthly Navy List. (March, 1917). p. 12.
  4. ↑ Supplement to the Monthly Navy List. (April, 1917). p. 12.
  5. ↑ Supplement to the Monthly Navy List. (May, 1917). p. 12.
  6. ↑ Supplement to the Monthly Navy List. (June, 1917). p. 12.
  7. ↑ Supplement to the Monthly Navy List. (July, 1917). p. 12 and Supplements through October.
  8. ↑ Supplement to the Monthly Navy List. (October, 1917). p. 12.
  9. ↑ Supplement to the Monthly Navy List. (November, 1917). p. 12.
  10. ↑ Supplement to the Monthly Navy List. (December, 1917). p. 12.
  11. ↑ Supplement to the Monthly Navy List. (January, 1918). p. 12.
  12. ↑ Supplement to the Monthly Navy List. (February, 1918). p. 12.
  13. ↑ Supplement to the Monthly Navy List. (March, 1918). p. 12.
  14. ↑ Supplement to the Monthly Navy List. (April, 1918). p. 12.
  15. ↑ Supplement to the Monthly Navy List. (March, 1918). p. 12.
  16. ↑ Supplement to the Monthly Navy List. (June, 1918). p. 12 and Supplements through March, 1919.
  17. ↑ Supplement to the Monthly Navy List. (March, 1919). p. 12.

Bibliography

See Also


British Submarine Flotillas
First Submarine Flotilla | Second Submarine Flotilla | Third Submarine Flotilla | Fourth Submarine Flotilla
Fifth Submarine Flotilla | Sixth Submarine Flotilla | Seventh Submarine Flotilla | Eighth Submarine Flotilla
Ninth Submarine Flotilla | Tenth Submarine Flotilla | Eleventh Submarine Flotilla | Twelfth Submarine Flotilla
Thirteenth Submarine Flotilla | Fourteenth Submarine Flotilla | Fifteenth Submarine Flotilla | Sixteenth Submarine Flotilla
Ambrose's Flotilla | Mediterranean Flotilla | Platypus's Flotilla | Vulcan's Flotilla | Hong Kong Flotilla
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