Anti-Submarine Frigate ordered on
25th January 1943 from W. Pickersgill
and to be named LOCH KILBIRNIE. Orders were
placed with several other shipyards
for this Class of Frigate at the same time.
However in late 1943 the contract
was changed for construction of a new design of
(BAY Class - See General Information). The ship
was laid down on
23rd October 1944 and was launched as HMS MOUNTS
BAY on 8th June 1945. No
previous RN warship had borne this name. Work
was suspended in 1946 and a new
contract to complete her build was placed with
John I Thornycroft.
The ship was transferred to Woolston,
20th March 1946. Her build was completed on 11th
a t t
l e H o n o u r
1950 - 53
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S p e c i a
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Research Notes for the period 1949 to February 1953
are not at present
u m m
a r y o f S e r v i
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1 9 5
0 t o 1 9
Commissioned for service in 4th Frigate
After Acceptance Trials and work-up in Home
waters took passage to join Flotilla in Far
On arrival deployed with United Nations Task
Force based at Sasebo Japan with other
Commonwealth warships off Korea in
support of military operations in Korean
Routine maintenance and R&R periods spent
at Kure, Japan
Deployed for Squadron duties including patrols
to protect British flagged mercantiles trading
between ports in China and South
When not deployed off Korea
carried out patrols off Malayan coast in
support of British
Took part in Squadron and Fleet exercises and
visits to ports in Far East.
Docking and refits carried out in
Hong Kong and Singapore
Ship re-commissioned on Station in 1952.
1 9 5
3 t o 1 9
A F P Lewis RN (Senior Officer 4th Frigate
1 9 5
Deployed at Hong Kong for Flotilla duties
Passage to Sasebo for service with UN Naval Forces for patrol and support
of military operations
west coast of to
(Note: This was the
sixth Operational Tour and included
bombardment of shore positions.)
Visited Tokyo with HMAS ANZAC for Coronation
Day. Passage to Hong Kong for refit
(Note: Statistics: 88,000 miles steamed,
15,300 tons Fuel used.)
Under refit by HM Dockyard Hong Kong. August
Carried out Basin Trials.
Carried out Full Power Trials.
Deployed for Anti-submarine exercises with US
Squadron Pulling Regatta.
(Note: Annual Inspection was carried out later
Deployed at Hong Kong for exercises.
(Note: Typhoon warning in force early in
Exercises included Bombardment support, tow of
HM Destroyer CONCORD and
Antisubmarine procedures with SUNDERLAND
Took passage from Hong Kong to Sasebo.
(Note: Korean war armistice was signed on 27th
July but UN Task Force operations were
continued including RN deployments based at
Sasebo with R&R at Kure.)
At Sasebo and disembarked passengers.
(Note: Carried cut exercises with HM Sloop
OPOSSUM on passage.)
Took passage from Sasebo to carry out
exercises with US navy submarine.
(Note: Other RN ships involved included HM
Frigate ST BRIDES BAY, WHITESAND BAY
and HM Australian Frigate HMAS CULGOA.)
New Commanding Officer Captain FN Elliott, RN
appointed as Senior Officer 4th Frigate
Visited Yokosuka, Japan on completion of
Took passage from Yokosuka to Sasebo.
Deployed for exercises based at Sasebo.
On completion of exercises took passage for UN
duties off west coast of Korea.
Deployed as Guardship at Taechong Do.
Return passage to Sasebo.
Took passage from Sasebo to Hong Kong.
Arrived at Hong Kong
(Note: During passage escorted ss
INCHARRAN through Mim Kiang Channel.).
Resumed Squadron duties on completion of UN
Captain Elliot joined.
Sailed from Hong Kong for Formosa Strait
Deployed for patrol
(Note: Ship anchored during, daylight)
Escorted ss INCHARRAN to sea after leaving
Return passage to Hong Kong.
Deployed at Hong Kong.
(Note: Korean and UN Service Campaign Medals
Carried out Squadron exercises in Junk Bay.
Visited by Flag Officer 2nd in Command,
Far East Station.).
Deployed at Hong Kong with ships of Squadron.
(Note: Sea Exercises included Replenishment,
Gunnery firings, Anti- submarine
procedures with HM Submarine TIPTOE and
HM Frigates CARDIGAN BAY, ST BRIDES BAY and
WHITESAND BAY of Squadron
Passage for Formosa Strait Patrol.
(Note: Investigated detainment of British ss
HYDRALOCK by Chinese .
This ship was released after 16 hours
Darkened during patrol.
Assisted passage of as YUNNAN, sa INCHWELLS and ss NIGELOCK.)
Arrived at Hong Kong on completion of patrol
Took part in Squadron exercises with HM
Frigates CARDIGAN BAY, MORECAMBE. BAY,
ST BRIDES BAY, HM Destroyers COCKADE, CONSORT
and HM Sloop MODESTE.
(Note: Serials included Gunnery firing, convoy
screening, night encounter and anti-submarine
procedures with HM Submarine THOROUGH.)
1 9 5
Hong Kong deployment in continuation.
Took passage from Hong Kong to Kure.
(Note: Kure was Base for Commonwealth forces
deployed with UN.)
Arrived at Kure after exercises on passage.
Passage to Kure for UN patrol and Guardship
off Korean west coast.
Sailed from Kure for patrol.
Relieved HM Canadian Destroyer HURON at
Paenyong Do as Guardship.
Took passage to Kure on relief as Guardshlp.
Arrived at Kure.
Sailed from Kure for Sasebo.
(Note: Call at Sasebo prior to surveillance
duty in Formosa Strait during return to Hong
Arrived at Hong Kong after assisting ss
Took passage from Hong Kong with Squadron and
Coastal Minesweepers to South China Sea
for Fleet exercises.
On completion of exercises returned to Hong
Kong with HMS MORECAMBE BAY and Coastal
Coastal Minesweeping Squadron.
Arrived at Hong Kong.
Deployed at Hong Kong.
Annual Harbour Inspection
Annual Sea Inspection.
Taken in hand for refit period.
Station Leave granted.
Completed docking period.
Deployed at Hong Kong for local duties.
Took part in local exercises
On completion of exercises resumed Local
duties at Hong Kong.
Carried out Self Maintenance at Hong Kong.
Took part in local Exercises including Night
Encounter and Tow.
Flag Officer's Inspection.
Took part in local exercises including
military operations support.
Resumed Local Flotilla duties at Hong Kong on
completion of exercises.
Took passage for surveillance patrol in
Nominated for return to UK to
Sailed from Formosa Strait to Sasebo.
Called all at Sasebo
(Note: UN Task Force was administered by US
Navy at Sasebo)
Took passage to Kure.
Arrived at Kure.
(Note: Open to Visitors during stay)
Took passage for UN duties.
Relieved HMS MORECAMBE BAY at Paengong Do.
Carried exercises with HMS MORECAMBE BAY off
Korean west coast.
Took passage to Hong Kong on relief by HM
Australian Destroyer ARUNTA.
Arrived at Hong Kong.
Prepared for return passage to pay off in
Took passage to Singapore on completion of
exercises with HM Frigates WHITESAND
Arrived at Singapore with HMS WHITESAND BAY.
Visited by Flag Officer Malayan Area.
Took passage with HMS WHITESAND BAY to Colombo
(Note: During passage took Indonesian landing
craft in tow after it had been in collision
in Indian Ocean.
Resumed passage after Indonesian patrol ship
arrived with HMS WHITESAND BAY.)
passage from Colombo with HMS WHITESAND BAY.
Passage from Aden.
Suez Canal transit.
Arrived at Malta to embark passengers.
Sailed with HMS WHITESAND BAY from Malta.
Sailed from Gibraltar independently.
(Note: HMS WHITESAND BAY sailed on 19th.)
Arrived at Sheerness.
Arrived at Chatham after de-ammunitioning.
Captain Elliot left ship.
Paid off and completed de-storing.
Prepared for refit prior to re-commissioning
for General Service in West Indies during
N o t e s o n l a t e
S e r v i c e
MOUNTS BAY continued her
record of service on foreign stations after
1955 and again in 1957, both in
the West Indies and South Atlantic. Her final
commission was for further
service in the Far East. On return to
Portsmouth in May 1960 the ship was
placed in Reserve and not re-commissioned as
planned. Placed on the
Disposal List in 1961 she was sold to Portugal
and renamed VASCO DA GAMA.
Before Portuguese Navy service she
was modernised at Woolston
by John I Thornycroft.
The ship remained on the Active List until
sold for demolition.