Allied Warships

HMS Dunnottar Castle (F 34)

Armed Merchant Cruiser

NavyThe Royal Navy
TypeArmed Merchant Cruiser
Class[No specific class] 
PennantF 34 
Built byHarland & Wolff Ltd. (Belfast, Northern Island) 
Laid down 
Launched25 Jan 1936 
Commissioned22 Oct 1939 
End service27 Jul 1942 

On 30 August 1939 the passenger ship Dunnottar Castle of the Union-Castle Mail SS Co Ltd, London was requisitioned by the Admiralty and converted to an armed merchant cruiser. Conversion was completed on 22 October 1939.

Displacement: 15007 BRT
Armament: 7x 152mm, 2x 76mm
Speed: 17 knots

October 39 - April 40: South Atlantic Station
May 40 - November 41: Freetown Escort Force
December 41 - May 42: South Atlantic Station

On 27 July 1942 returned and used as troopship by the Ministry of War Transport (MoWT). In March 1948 returned to owner.


Commands listed for HMS Dunnottar Castle (F 34)

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1Capt. (retired) Henry Edmund Harvey Spencer-Cooper, RN2 Sep 19393 Oct 1940
2Capt. (retired) Charles Thomas Alexander Bunbury, RN3 Oct 194025 Oct 1940
3Capt. (retired) Henry Edmund Harvey Spencer-Cooper, RN25 Oct 19405 Dec 1940
4Capt. (retired) Charles Thomas Alexander Bunbury, RN5 Dec 1940mid 1942

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Notable events involving Dunnottar Castle include:

29 Sep 1941

Convoy WS 12

This convoy departed U.K. ports on 29 / 30 September 1941. Destination for the majority of the convoy was Aden where the convoy arrived on 20 November 1941. It was then dispersed and the remaining ships then proceeded to Suez independently.

The convoy assembled assembled at sea near Oversay on 1 October 1941.

The convoy was made up of the following troop transports / transports; Almanzora (15551 GRT, built 1914), City of Paris (10902 GRT, built 1922), Clan Campbell (7255 GRT, built 1937), Clan Lamont (7250 GRT, built 1939), Dominion Monarch (27155 GRT, built 1939), Duchess of Richmond (20022 GRT, built 1928), Empire Pride (9248 GRT, built 1941), Empire Trust (8143 GRT, built 1941), Empress of Canada (21517 GRT, built 1922), Empress of Russia (16810 GRT, built 1913), Franconia (20175 GRT, built 1923), Highland Brigade (14134 GRT, built 1929), Highland Princess (14133 GRT, built 1930), Prince Badouin (3219 GRT, built 1933), Leopoldville (11509 GRT, built 1929), Mendoza (8233 GRT, built 1919), Narkunda (16632 GRT, built 1920), Ormonde (14982 GRT, built 1917), Perseus (10272 GRT, built 1923), Perthshire (10496 GRT, built 1936), HMS Royal Ulsterman (T/Cdr. H.F. Jackson, RNR) (3244 GRT, built 1936), Samaria (19597 GRT, built 1921), Sarpedon (11321 GRT, built 1923) and Strathaird (22281 GRT, built 1932).

Escort was initially provided by the heavy cruiser HMS Devonshire (Capt. R.D. Oliver, DSC, RN) (from 30 September until 14 October. On 12 October HMS Dorsetshire (Capt. A.W.S. Agar, VC, DSO, RN) joined HMS Devonshire and escorted the convoy until 14 October when it arrived at Freetown.

The aircraft carrier HMS Argus (Capt. T.O. Bulteel, RN) escorted the convoy from 30 September to 5 October when she was detached to Gibraltar, escorted by three destroyers (see below).

The armed merchant cruiser ), HMS Cathay (A/Capt.(Retd.) C.M. Merewether, RN), auxiliary minelayer HMS Agamemnon (Capt.(Retd.) F. Ratsey, RN) and the Canadian destroyers HMCS Assiniboine (A/Lt.Cdr. J.H. Stubbs, RCN), HMCS Saguenay (Lt. P.E. Haddon, RCN) escorted the convoy from 30 September to 4 October 1941 when they were detached and ordered to proceed with Halifax with the Highland Princess whih was then also detached from the convoy.

The destroyer HMS Sikh (Cdr. G.H. Stokes, RN) escorted the convoy from 30 September to 5 October when she was detached escorting HMS Argus to Gibraltar together with her sister ships HMS Cossack (Capt. E.L. Berthon, DSC and Bar, RN) and HMS Zulu (Cdr. H.R. Graham, DSO, RN) which were met at sea after they had escorted a convoy part of the way from Gibraltar to the U.K. HMS Argus and her three escorting destroyer arrived at Gibraltar on 8 October.

The AA (light) cruiser HMS Cairo (A/Capt. I.R.H. Black, RN) and the destroyers HMS Whitehall (Lt.Cdr. A.B. Russell, RN), HMS Witch (Lt.Cdr. C.H. Holmes, RN) and ), HMS Verity (Cdr. R.H. Mills, RN) escorted the convoy from 1 to 4 October.

The destroyers HMS Lancaster (A/Cdr. N.H. Whatley, RN), HMS Newark (Lt.Cdr. R.H.W. Atkins, RN) escorted the convoy from 1 to 3 October. HMS Bradford (Lt.Cdr. J.N.K. Knight, RN) was also to be part of this group. She did sail from Londonderry but had to return to that port soon after departure owning to defects.

The destroyer HMS Stanley (Lt.Cdr.(Retd.) D.B. Shaw, OBE, RN) escorted the convoy from 1 to 7 October.

The escort destroyer HMS Blankney (Lt.Cdr. P.F. Powlett, DSC, RN) escorted the convoy from 1 to 7 October.

The destroyer HMS Beverley (Lt.Cdr. J. Grant, RN) escorted to convoy from 2 to 5 October.

The destroyers HMS Gurkha (Cdr. C.N. Lentaigne, RN) and HrMs Isaac Sweers (Cdr. J. Houtsmuller, RNN) were to join the convoy on 7 October coming from Gibraltar. HrMs Isaac Sweers joined the convoy around noon but HMS Gurkha failed to find the convoy and only joined the following day.

On 11 October 1941, when approaching Freetown, the convoy was joined by the destroyers HMS Wrestler (Lt.Cdr. E.L. Jones, DSC, RN), HMS Velox (Lt.Cdr. E.G. Roper, DSC, RN), HMS Vimy (Lt.Cdr. H.G.D. de Chair, RN) and HMS Vansittart (Lt.Cdr. R.L.S. Gaisford, RN) as well as the corvettes HMS Amaranthus (T/Lt. W.S. Thomson, RNR) and HMS Armeria (T/Lt. H.N. Russell, DSC, RNR).

The convoy, minus the Narkunda departed Freetown for South Africa on 19 October. Escort was provided by the heavy cruiser HMS Devonshire which joined the convoy early on 20 October after having patrolled south of Freetown since 16 October.

Local A/S escort out of Freetown was provided from 19 to 2 1 October 1941 and consisted of the destroyers HMS Velox, HMS Wrestler and the corvettes HMS Anchusa (Lt. J.E.L. Peters, RNR), HMS Calendula (Lt.Cdr. A.D. Bruford, RNVR) and HMS Mignonette (Lt. H.H. Brown, RNR).

On 21 October 1941, HMS Royal Ulsterman and Ulster Monarch were detached and proceeded to Takoradi. As did Prince Badouin which went on to St. Helena.

On 30 October 1941 the convoy was off Capetown and the following ships of the convoy then split off to proceed into that port; Clan Campbell, Dominion Monach, Empire Pride, Empire Trust, Empress of Canada, Leopoldville, Mendoza, Perthshire, Sarpedon and Strathaird as did HMS Devonshire which went to Simonstown.

The other ships of the convoy; Empress of Russia, Franconia, Highland Brigade, Ormonde, Perseus, Richmond and Samaria then proceeded to Durban where they arrived on 3 November escorted by the armed merchant cruiser HMS Derbyshire (Capt.(Retd.) E.A.B. Stanley, DSO, MVO, RN) which had joined them off Capetown early on 31 October.

On 4 November 1941 the Strathaird departed Capetown for Durban where she arrived on 7 November.

On 5 November 1941 the following ships departed Capetown to continue their passage; Dominion Monarch, Empire Pride, Empire Trust, Empress of Canada, Leopoldville, Mendoza and Perthshire. They were escorted by the armed merchant cruiser HMS Dunnottar Castle (Capt.(Retd.) C.T.A. Bunbury, RN).

On 8 November the following ships departed Durban and joined the Capetown group at sea; Almanzora, City of Paris, Clan Campbell, Clan Lamont, Duchess of Richmond, Empress of Russia, Franconia, Nieuw Amsterdam (36287 GRT, built 1938), Nova Scotia (6791 GRT, built 1926), Perseus, Samaria and Strathaird. The escort of the Capetown group HMS Dunnottar Castle was relieved by the battlecruiser HMS Repulse (Capt. W.G. Tennant, CB, MVO, RN) which escorted the convoy from then on to until 14 November 1941 when she was relieved by the battleship HMS Revenge (Capt. L.V. Morgan, CBE, MVO, DSC, RN) which then escorted the convoy until it arrived off Aden on 20 November. The convoy then dispersed and all ships proceeded to Suez independently.

On 14 November the convoy was joined by the Ascania (13900 GRT, built 1925) which came from Mombasa.

On 17 November 1941, HMS Glasgow (Capt. H. Hickling, DSO, RN) made rendez-vous with convoy WS 12. The Dominion Monarch, Duchess of Richmond, Empress of Canada and Perseus then split off from the convoy and continued on as convoy WS 12J towards Colombo, escorted by HMS Glasgow. This convoy arrived at Colombo on 23 November.

On 24 November the Dominion Monarch and Empress of Canada departed Colombo for Singapore as convoy WS 12V. They were escorted by HMS Glasgow until 26 November when HMS Dragon (Capt. R.W. Shaw, MBE, RN) took over the escort. The convoy arrived at Singapore on 28 November 1941. (1)


  1. ADM 199/1138

ADM numbers indicate documents at the British National Archives at Kew, London.

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