HMS Caistor Castle

Vessel name on Arrival: HMS Caistor Castle

Caistor Castle -3 Caistor Castle - 1

Original Builder: John Lewis & Sons Limited, Aberdeen, Scotland

Original Yard No: 178

Official Number:

Vessel Type: frigate

GRT: 1010

Year Built: 1943

Arrival Date: 30/03/1956

Breakup Started: 06/04/1956

Date First Beached: 06/06/1956

Date Breakup Completed: 06/08/1956

Draught For’d: 9' 6"

Draught Aft: 13' 6"

Name Changes:


+  Some sources refer to her as Caistor Castle whilst others refer to her as Caister Castle

+  Some sources refer to her as a Frigate whilst others refer to her as a Corvette

Other Information:


Twin-SCrew Castle-Class Patrol Frigate for the Royal Navy                                  Pennant No. K 690


19-12-1942  :  Ordered

26-08-1942  :  Laid Down

22-05-1944  :  Launched

29-09-1944  :  Completed


Tonnages  :  1,010 / 1,510 tons                            Dimensions  :  76.8 metres  x  11.2 metres


Propulsion  :  Triple Expansion Steam Reciprocating Engines rated at 2,880 IHP


Steam  :  Two Admiralty design 3-drum type Boilers


Speed  :  16.5 knots      


Armaments  :  1 x 4 inch Gun  +  10 x 20mm A. A. Guns  +  1 Squid


Complement  :  120 men



Summary of the Naval Career of Patrol Frigate HMS Caistor   –  P 690


September   1944         

Commissioned for service in Western Approaches Command.  Build completion and commencmment of Acceptance Trials.


October 1944                  

On completion of trials and storing took passage to Tobermory to work-up for operational service.


November 1944               

Joined 30th Escort Group for Atlantic convoy defence. 

(Note: Other escorts in this Group were sister ships:


(Did not take part in anti-submarine operations with Group on  11th November when submarine U1200 was sunk by SQUID projectiles in series of attacks by Group)


December  1944              

Deployed with Group for defence of Atlantic convoys.  Atlantic convoy defence and anti-submarine search duties in the Western Approaches.


January & February 1945                    

Deployed with Group for anti-submarine patrol and convoy defence of coastal convoys around UK.


March to April 1945                     

Transferred to North Sea for convoy defence and patrol for the interception of minelaying operations by submersibles and E-Boats.


May 1945                         

After VE Day deployed with Home Fleet to take part in transfer of surrendered U-Boats in Norway.

Deployed with HM Cruiser BERWICK, HM Canadian Destroyers HAIDA, HURON and ships of 30th Escort Group at Trondheim.


June to August 1945                         

Deployed for escort of captured submarines and support of re-occupation operations.

Visited Home ports as part of Victory celebrations.


September 1945            

Deployed in Home waters for training and Port duties


1 9 4 6

Paid-off and reduced to Reserve status after de-storing.  Laid-up in Reserve Fleet at Plymouth


1 9 4 7   t o   1 9 4 8

Laid-up in Reserve at Plymouth


1 9 4 9

Underwent refit at Cardiff to ensure ready availability if required for service.

Carried out sea trials on completion and returned to Reserve


1 9 5 0

Laid-up in Reserve.


1 9 5 1

Taken in hand for further refit at Falmouth to ensure availability for service at short notice.

Carried out sea trials on completion before return to Reserve.


1 9 5 2

 Laid-up in Reserve.  Nominated for service in 2nd Training Squadron at Portland


1 9 5 3

January 1953                   

Brought forward for service and commissioned.


February 1953                    

Joined Squadron at Portland


March to May 1953                        

Deployed at Portland


June  to July 1953                            

Attended Coronation Review at Spithead.


July to December 1953                            

Squadron training duties in continuation.


1 9 5 4

Squadron duties at Portland in continuation.   Nominated for reduction to Reserve status.


1 9 5 5

Paid-off, destored and reduced to Reserve status at Devonport.

Laid-up in Reserve Fleet, Plymouth.

Placed on Disposal List.


1 9 5 6

Sold to BISCO and allocated for demolition by Arnott Young. Taken in Tow to Breaker’s yard at Troon, South Ayrshire Glasgow in late March.