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by Lt Cdr Geoffrey B Mason RN (Rtd) (c) 1998

HMS LOCH INSH (K 433) - Loch-class Frigate
including Convoy Escort Movements

HMS Loch Insh (Navy Photos, click to enlarge)

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LOCH-Class Twin Screw Frigate ordered from Henry Robb, Leith on 25th January 1943 and laid down as Job No J11859 (Yard Number 846) on 1?th November 1943. The ship was launched on 10th May 1944 as the 1st RN ship to carry the name. Her build was completed on 20th October 1944. The ship. was adopted  by the civil community of Northampton after entering service.


G e o g r a p h i c   D a t a

Inland Loch in Inverness

Grid Reference: NH8304


B a t t l e   H o n o u r s




H e r a l d i c   D a t a

Badge: On a Field barry wavy of 10 white and Blue,

On a pomme a salmon hook Gold

(Explanation: The pomme (Green disc) represents an island.

Loch Insh means the Loch of the Isle. The salmon

hook refrers to the fishing on the Loch.)



D e t a i l s   o f   W a r  S e r v i c e


(for more ship information, go to Naval History Homepage and type name in Site Search



1 9 4 4


October                  Contractors trials and commissioned for service in 19th Escort Group.

                                Commanding Officer: Commander E C W Dempster

                20th        Build completion

                29th        Completed trials and storing.

                                took passage to Tobermory with call at Aberdeen.


November              Carries out work-up for operational service.

                28th        On completion took passage to join Group at Liverpool.


December              Deployed with Group for convoy defence in NW Approaches and Irish Sea.

                6th          Sank U297 in defence of Carrier Group off Cape Wrath with HM Frigate GOODALL.

                                (Note: HM Frigate BULLEN of Group had been sunk earlier that day.

                                See U-BOATS DESTROYED by P Kemp.)


1 9 4 5


January                  Transferred with Group to English Channel for anti-submarine operations.

                                (Note: This deployment was made to counter increased attacks by U-Boats on coastal

                                convoys which included re-routed Atlantic traffic.)



                1st           Under repair in Belfast.

                2nd         Rejoined Group for convoy defence in Irish Sea and SW Approaches.

                                Based at Milford Haven and Liverpool. Convoy defence with Group in continuation.


March                    Nominated for service with Group for support of Russian Convoy.



                18th        Joined escort for Russian Convoy JW66 with HM Frigates LOCH SHIN, COTTON, GOODALL

                                and ANGUILLA of Group.

                25th        Arrived off Kola Inlet with JW66 after uninterrupted passage.

                                Carried out anti-submarine search operation to clear entrance for mercantiles.

                                Detached with snips of Group after entry of convoy and deployed to provide anti­submarine

                                cover for minelaying operation (Operation TRAMMEL)

                                (Note: Minelay was carried out by HM Minelayer APOLLO, HM Destroyers OBEDIENT,

                                OPPORTUNE and ORWELL. See Naval Staff History (MINING).)

                29th        Carried out anti-submarine operation off Kola Inlet with Group before departure of return

                                Convoy RA66.

                                Sank U307 using SHARK projectiles  and SQUID in the attacks.

                                14 survivors were rescued.

                                (Note: U286 was also sunk by other ships of Group later on 29th.)


May                        Nominated for service in East Indies after refit.

                                Detached from RA66 with ships of Group before arrival in Clyde.

                6th          Taken in hand for refit at build yard in Leith.

                                (Note during refit ventilation arrangements were modified and AA armament increased.


June                        Under refit.


July                         Carried out post refit trials.

                27th        Passage to Rosyth to prepare for foreign service.



                23rd        Took passage from Rosyth to join East Indies Escort Force.


September             Passage to East Indies with calls at Gibraltar and Malta.



                1st           At Aden

                25th        At Colombo and briefed for deployment for escort duty and the support of military operations

                                in Sumatra and Java.

                                Deployed in Indian Ocean and visited Port Blair


November              Based at Colombo and deployed in Indian Ocean for convoy escort.

                                New Commanding Officer appointed: Lieut.. Commander E M Skinner RN.

                29th        Passage to Singapore in continuation of escort of repatriation convoys

                                (See SEAGULLS IN MY BELFRY by CC Anderson.)


December              Convoy escort from Singapore to Padang and Colombo in continuation.

                                Deployed for East African coast visit


1 9 4 6


January                  Passage to Kilindini.

                5th          At Kilindini


February                Deployed at Kilindini.

                23rd        Nominated for return to UK to Pay-Off into Reserve.

                                Took passage to Trincomalee.



                8th          Arrived at Trincomalee.

                                Took passage to UK on relief by HM Frigate LOCH QUOICH.


April                       Paid Off and reduced to Reserve status at Devonport.


May                        Laid-up at Devonport.




1 9 4 7    t o    1 9 4 9


                                Laid-up at Devonport.

                                Refitted for Reserve service by Brigham and Cowan, Hull (1949).

                                Pennant Number for visual signalling purposes changed to F433.


1 9 5 0


January                  Laid up in Reserve at Devonport.




March                    Nominated for service with 6th Frigate Flotilla, Home Fleet.


April                       Prepared for service and refitted by HM Dockyard, Devonport.




August                  Carried out post refit trials.



                21st         Commissioned for service with 6th Frigate Flotilla, Home Fleet.

                                Commanding Officer: Commander R S Foster-Brown RN.


October                  Carried out weapon trials and anti-submarine training at Londonderry.


November              Joined Flotilla at Gibraltar during Home Fleet exercise.

                                On completion of Exercise visited Bayonne


December              Deployed at Plymouth.


1 9 5 1


January                  Took part with Flotilla in Home Fleet exercises including visits to Gibraltar,

to                            Aranci Bay, Savona and Monaco.

March                    Returned to Devonport on completion.


April                       Routine docking at Devonport.

                                Despatched to join Home Fleet search for HM Submarine AFFRAY in English Channel


May                        AFFRAY search operations in continuation.


June                        On release resumed Flotilla duties.


July                         Flotilla deployment in continuation including visits to Milford Haven, and Falmouth.


August                  Under repair at Devonport.


September             Deployed with Flotilla in Home waters and visited Portland and Troon.


October                  Took part in Flotilla training at Londonderry.

to                             Deployed with Flotilla for Home Fleet Exercises in Atlantic.

November              After stay at Gibraltar took part in Home Fleet visits programme during return.


December              Routine Docking at Devonport.

                                Selected as Prototype for LOCH Class Frigate modernisation.


1 9 5 2


January                  Took part in Home Fleet Exercise programme with Flotilla.

to                            During R&R periods visited Gibraltar, Nice and Malta.

March                    Relieved by HM Frigate VIRAGO in Flotilla (March)


April                       On return to Devonport for Leave period placed in Care and Maintenance pending


                                Paid off with reduced complement retained.


May                        In Care and Maintenance at Devonport




1 9 5 3


January                  In Care and Maintenance at Devonport.




May                        Taken in hand for modernisation by HM Dockyard Devonport.


June                        Under Dockyard Control




1 9 5 4


January                  Under Dockyard Control.

to                            Selected for service in Persian Gulf on completion as relief for HMS LOCH QUOICH.



August                  Carried out post refit trials.



                6th          Commissioned for service.

                                Commanding Officer: Commander A J T Harris RN.

                                Completed sea trials and weapon calibrations before passage to Malta for work-up.


October                  Worked-up at Malta with Destroyer Command, Mediterranean Fleet.


November              On completion of work-up took passage to Aden.


December              Arrived at Bahrain for Persian Gulf duties.

                                Joined HM Frigate LOCH ALVIE on Station.

                                Deployed for patrol in southern Gulf area with visits to Dohar.

                                Took passage to Trincomalee.


1 9 5 5


January                  Passage to Colombo from Trincomalee for routine docking.

                                Nominated for east coast of India patrol on completion.


February                Deployed for patrol duties.

                                Visited Nicobar, Chittagong and Madras.


March                    Returned to Trincomalee.

                                Took passage to Bahrain for Persian Gulf deployment.


April                       Deployed in southern Persian Gulf with visits to Dubai, Sharjah, Um-al-Qupin

                                and Ras-al-Khaima.


May                        Deployed for patrol off Batina coast.

                                Visited Masirah, Kuria Maria Islands and Salalah.

                20th        Diverted to assist HM Frigate LOCH KILLISPORT in fire-fighting and salvage of the Dutch

                                tanker ss ARGEA PRIM.

                                (Note: ARGEA PRIM had collided with Dutch mv TABIAN at entrance to Straits of Hormuz

                                on 19th May and was badly damaged with extensive fires on board.)

                23rd        Joined HMS LOCH KILLISPORT in company with ARGEA PRIM which was under tow by ss


                25th        Remained with ARGEA PRIMA until arrival at Bahrain under own power.

                                (Note: Salvage awards were paid only to HMS LOCH KILLISPORT.)


June                        Deployed in northern Persian Gulf and visited Fao, Kuwait and Danman.


July                         Deployed for patrol off Batina coast with visits to Muscat. Mikalla and Socotra.

                                On relief took passage to UK from Aden.


August                  Passage through Mediterranean.

                                Arrived at Devonport to Pay-Off and recommission.


September             Under refit.


October                  Re-commissioned for service in Persian Gulf.

                                Commanding Officer: Commander T E Fanshaw DSC RN.


November              Under refit.

to                            Carried out post refit trials.



1 9 5 6


January                  On completion of sea trials deployed for weapon trials at Portland.


February                Worked-up at Portland.


March                    After repair at Devonport took passage to Aden.

                                Arrived in Aden with call at Gibraltar.

                                Deployed at Aden for Batina coast patrol and visited Kuria Maria Islands.


April                       Called at Masira on passage to Bahrain.

                                Deployed at Bahrain for Persian Gulf patrol duty.


May                        Took part in joint exercises and patrol off Oman.

                                Visited Muscat.


June                        Deployed in Indian Ocean and Persian Gulf.

to                            (Note: During this period various deployments were made in view of the current

July                         problems with Egypt.


August                  Deployed in southern Persian Gulf and visited Ras-al-Khaiirar and Sharjah.

                                After return to Bahrain for R&R took passage for patrol in northern Gulf.


September             Visited Basra.


October                  Returned to Bahrain and deployed off Oman coast.

                                Visited Muscat.

                                During passage carried out salvage of mv HANGKONG.

                                (Note: Ship was found adrift and abandoned south of Bahrain and taken in tow.

                                Salvage awards were paid later.)


November              Deployed at Aden in view of Suez crisis (Operation MUSKETEER)

to                            Carried out joint exercises with other RN warships.

December              Returned to Bahrain after release from MUSKETEER.


1 9 5 7


January                  Relieved by HM Frigate LOCH RUTHVEN and took passage to return to UK to


                                (Note: Passage made via Mombasa and Simonstown as Suez Canal was closed.)


February                Passage in Atlantic with calls at Freetown and Gibraltar.


March                    Paid-Off at Devonport and taken in hand for Extended Refit.


April                       Under refit

to                            Extensive changes were made to equipment fit.

December              Centralised Air Conditioning was installed for all compartments in forward structure.


1 9 5 8



                7th          Recommissioned for General Service Commission.

                                On completion of sea trials took passage to Portland.

                                Carried out weapon calibrations and trials before beginning work-up.


February                Worked-up at Portland.


March                    Carried out anti-submarine training at Londonderry.

                                Joined tone Fleet for exercises and visits programme.

                                Visited Liverpool.


April                       Visited Le Havre.

                                Returned to Devonport to prepare for foreign service.


May                        Passage to Aden to embark Somali crew.

                                Arrived at Bahrain.


June                        Deployed at Bahrain and took part in Flotilla exercises after Maintenance Period.

to                            Passage to Shatt-el-Arab for Guardship duty.

July                         (Note: After the assassination of King Faisal II of Iraq, Jordan had asked for Royal Navy


                                Primary object of deployment was the protection of British tanker shipping using

                                the waterway).

                                Visited Fao during deployment in northern Gulf

August                  Returned to Bahrain.

                                Deployed for patrol in southern Gulf and visited Dubai


September             .Patrol deployment based at Bahrain in continuation.

                                (Note: Arabian Sea and Persian Gulf Command established.)


October                  Passage to Karachi.

                                Took part with other RN ships in multi-national Exercise MIDLINK In Indian Ocean

                                based at Karachi.


November              On completion of MIDLINK remained at Karachi for routine docking and refit.


December              Deployed for visits to Cochin and Bombay.

                                Took passage from Bombay to resume Persian Gulf duties.


1 9 5 9


January                  Visited Muscat and carried out Flotilla exercises.

                                Embarked British Resident at Bahrain for attendance at Enthronement of the New Ruler

                                of Dubai.

                                Embarked Commodore ASPG at Bahrain for Official Visit to Sultan of Qatar.


February                Passage to Muscat

                                Guard landed at Muscat for the Presentation of Ship's Bell from HM Minesweeper

                                WELCOME to the Ruler at Muscat.

                                (Note: HMS WELCOME had an association with the Oman in 1945.)

                                Took passage from Muscat to Mombasa.


March                    Deployed for East African coast visits and called at Tanga, Mtawara and Zanzibar.

                                Returned to Mombasa and took passage to Aden.


April                       Passage from Aden to Massawa to give SHOP WINDOW Demonstration.

                                On completion took passage to UK to re-commission.

                                Arrived at Devonport.


May                        Paid-Off and taken in hand for Refit.


June                        Under refit.


July                         Re-commissioned for service in Persian Gulf.

                                (Note: Royal Marines Detachment Detachment was part of complement.).

                                Commanding Officer: Captain T N Catlow RN.


August                  Post refit trials carried out on completion of dockyard work.


September             Carried out further sea trials off Plymouth.

                                Passage to Port-land for weapon trials and work-up.


October                  Worked-up at Portland and returned to Devonport to prepare for foreign service.



                16th        Passage to Gibraltar and encountered heavy weather with flooding of compartments.

                23rd        Under repair to weather damage including ASDIC Dome at Gibraltar

.               24th        Resumed passage to Aden.



                8th          Met HM Cruiser GAMBIA in Fed Sea

                9th          Embarked Somali crew at Aden.

                17th        Took part in SHOP WINDOW Demonstrations.

                18th        Arrived at Bahrain for Persian Gulf duties.

                22nd       At Mina-al-Ahmadi for Xmas period.

                28th        Deployed with HM Frigate LOCH FYNE for exercises on passage.


1 9 6 0



                1st           Provided Guard for annual parade for Ruler of Bahrain.

                                Carried out Dhow patrol in southern Gulf area.

                7th          Landed RM Detachment at Muscat and patrolled off Batina coast.

                17th        Intercepted suspect Dhow and escorted it to Muscat.

                27th        Carried out Flotilla exercises and consort for Sea Inspection of HMS LOCH FYNE.



                8th          Carried out anti-submarine exercises with HM Frigate LOCH KILLISPORT.

                11th        Visited Umm Said.

                14th        Visited Dubai.

                17th        At Bahrain for machinery repairs.

                23rd        At Dubai with Consul General and Political Agent.

                27th        At Muscat with Political Agent.

                29th        Passage to Bahrain.



                1st           Passage to Karachi for Interim Docking and Refit.

                12th        Under refit, and docking.

                                Damaged Shaft A-Bracket for propeller repaired.



                16th        Took part in Pakistan naval exercises after repair of bearing on 14th.

                18th        Landed Guard for Queens Birthday Parade at Bombay with CinC Far East present.

                24th        Passage to Bahrain to resume Persian Gulf duties.



                1st           Took part in exercise with HMS LOCH LOMOND and Iran Navy off Kharg Island.

                                (Exercise KHARGEX II).

                9th          Deployed as consort of Sea Inspection of HMS LOCH KILLISPORT.

                17th        Deployed with ships of Squadron for anti-submarine exercises at Jebel Dharsna and Daz

                                (Exercise CASPEX5)

                30th        Embarked Political Resident for visits to Abu Dhabi and Dubai.



                1st           Returned to Bahrain from Dubai.

                8th          Sea Inspection by Cdre ASPG.

                9th          Embarked Commandant General Royal Marines for visit to Abadan.

                                Took passage with HMS LOCH KILLISPORT.

                10th        At Abadan.

                12th        Took part in Queens' Birthday Parade at Khorramshah, Iran.

                13th        Return passage to Bahrain with Commandant General Royal Marines.

                24th        Took passage to Mombasa after exchange of defect Fan with HMS LOCH KILLISPORT.



                2nd         Arrived at Mombasa. Took passage to Dar-es-Salaam.

                3rd          Embarked Cdre ASPG.

                                Visit to Zanzibar cancelled due to machinery defect.

                7th          Visit to Tanga with Cdre ASPG.

                12th        Sailed for Mombasa with HM Coastal Minesweeper BASSINGHAM.

                14th        Passage to Mahe, Seychelles from Mombasa.

                18th        Embarked Governor of the Seychelles at Victoria for visit to dependencies.

                                (Note: Including calls at Bird, La Digue, Dennis and Frigate Islands.)

                22nd       Death of Electrical Mechanic W. McCarthy during return passage to Mahe.

                23rd        Burial of EM MacCarthy at Mahe.

                24th        Took passage to Aden.

                30th        Arrived at Aden after machinery defects en passage.



                2nd         Embarked Commander British Land Forces at Aden for passage to Mombasa.

                9th          Arrived at Mombasa.

                                Station Leave granted.

                                (Note: During Maintenance Period, assistance provided by HM Commando Carrier


                18th        Sailed for exercises with HMS BULWARK before taking return passage to Bahrain.

                25th        Steering breakdown in Strait of Hormuz.

                26th        Ran aground at Sitra, Bahrain Oil Fuel Depot and refloated by tugs.



                2nd         Flag Officer Middle East visited ship prior his departure for UK.

                3rd          Sailed for UK.

                                Further Machinery defects repaired except shaft alignment problem.

                9th          Carried out Amphibious Warfare Exercises off Muscat till 11th.

                27th        Called at Malta.


October                  Passage to Rosyth for refit and re-commissioning.

                5th          At Rosyth and Paid Off.

                                Taken in hand for refit.

                                (Statistics: Miles steamed - 35,372, hours underway - 3,465.)


November              Under refit. January 10th




1 9 6 1


January                  Refit in continuation.

                10th        Re-commissioned for service in Persian Gulf.

                                RM Detachment embarked.

                                Commanding Officer: Captain I G Raikes DSC RN.


February                Post refit trials.


March                    Took passage to Portsmouth after further sea trials.

                18th        Worked-up at Portland.


April                       Work-up in continuation.

                                Visited Southampton and Leave Period at Devonport.



                4th          Passage to Londonderry from Portland on completion of work-up

                26th        Passage to Bournemouth for visit on completion of anti-submarine training.


June                        Prepared for foreign service at Devonport as relief for HM Frigate LOCH RUTHVEN.

                4th          Took passage for Malta with call at Gibraltar

                                Embarked crated stores for upper deck stowage and sailed Aden from Malta.

                                (Note: The deck cargo was for support, of operations (Operation VANTAGE).

                                Sealed boxes believed to contain money.)

                15th        Sailed from Aden to Bahrain with seven Coastal Minesweepers

                16th        Total loss of power was restored.

                22nd       Arrived at Bahrain after meeting HMS LOCH RUTHVEN on passage.



                2nd         Took passage to Kuwait to relieve HMS LOCH ALVIE in British Task Force 317.

                                (Note: This Task Force was assembled following the Iraqi threat to Kuwait.

                                (Operation VANTAGE.).).

                14th        Returned to Bahrain for Patrol off Trucial Oman

                17th        Deployed for patrol and Dhow interception.

                24th        Stood-by Spanish tanker mv MEQUINENZA which was aground on Shah Alum Shoal,

                                near Bahrain (26.25N 52..99E.

                                Assisted in refloating.

                25th        Left scene after mv DURANGO arrived.

                                (Note: Salvage awards ware paid later.)

                26th        Passage to Muscat for visit



                3rd          Returned to Bahrain.

                4th          Sailed from Bahrain with HMS LOCH FYNE after refuelling.

                5th          Took part in Exercise FOMEX 10 with ships of Squadron off Daz Island.

                9th          Returned to Bahrain on completion.

                11th        At Kuwait with HM Frigate CHICHESTER in continuation of VANTAGE support.

                                (Note: Air Conditioning plant was defective for three days )

                14th        Operation VANTAGE terminated.

                27th        Returned to Bahrain with HM Frigate CHICHESTER.


October                  At Bahrain.

                13th        Deployed for Dhow patrol of Trucial coast with calls at Sir Adu Musa and Das.

                23rd        Took passage to Aden from Bahrain.

                31st         Arrived at Aden after further air conditioning problems.



                3rd          Took passage from Aden for Karachi with three Coastal Minesweepers in company.

                8th          Arrived at Karachi after heavy weather passage to take part in CENTO Exercise

                                (Note: Called at Al Mukalla, Yemen on passage).

                17th        Took part in sea serials for MIDLINK IV with CENTO warships and HMS LOCH


                                (Note: Participation restricted by boiler contamination problem.)

                20th        Rejoined MIDLINK IV after repair.

                27th        Sailed from Karachi for visit to Bombay after completion of MIDLNK IV.

                29th        Arrived at Bombay.



                2nd         Return passage to Karachi for Interim Docking and refit.

                4th          Taken in hand for refit.


1 9 6 2



                4th          On completion of post refit trials took passage from Karachi to resume Persian Gulf

                                duties at Bahrain.

                8th          Arrived at Bahrain.

                18th        Took part in FOME Exercises,

                                (Note: During exercises visited Sharjah, Dubai, Doha, Abu Dhabi and Yas Island.

                22nd       On completion deployed for Dhow patrol in southern Gulf area.



                1st           Returned to Bahrain.

                13th        Embarked Flag Officer Middle East and took passage to Bombay.

                19th        Arrived at Bombay.

                23rd        Took passage to Bahrain and carried out exercises in Persian Gulf before arrival.



                1st           At Bahrain.

                15th        Visited Bandar Mashur

                17th        Carried cut Dhow Interception patrol off Trucial coast.


April                       On return to Bahrain prepared for annual inspection by Flag Officer Middle East.

                12th        Sea Inspection.

                13th        Sailed from Bahrain for East African coast visits.

                19th        Diverted on passage for Guardship duty at Gan following shore riots.

                23rd        Arrived at Gan.



                6th          Took passage from Gan to Seychelles.

                10th        Arrived at Victoria, Seychelles..

                14th        Embarked FOME and took passage to Mombasa

                17th        Arrived at Mombasa and sailed for Aden same day.

                23rd        At Aden.

                25th        Sailed from Aden with two Inshore minesweepers in tow.

                28th        Delayed at Port Suez pending arrival of relief which had been delayed by defects



                2nd         Suez Canal transit.

                                Minesweepers detached at Port Said.

                8th          Arrived in Malta after rough passage and sailed same day for Gibraltar.

                15th        Sailed from Gibraltar for Devcnport.

                20th        Arrived at Plymouth.

                22nd       Paid off and began reducing to Reserve status.

                                (Statistics: Miles steamed 47,042.)


F i n a l   P h a s e


HMS LOCH INSH was placed on the Disposal List and sold to the Royal Malayan Navy in 1963. After a very extensive refit at Portsmouth which included change to after the superstructure and the provision of Helicopter landing facilities, the ship was renamed  HANG TUAH. She sailed for Malaya on 12th November 1964 and served as the Flagship of the Royal Malaysian Navy until 1971 when she was used as a training ship until withdrawn from service 6 years later.






by Don Kindell

These convoy lists have not been cross-checked with the text above

Date convoy sailed

Joined convoy as escort

Convoy No.

Left convoy

Date convoy arrived








HX 334





MKS 082G





HX 344





ON 291





TBC 102





JW 066








(Note on Convoys)


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