HMS Tiger before conversion
|Preceded by:||Minotaur class|
|Class and type:||Light cruiser|
|Displacement:||11,700 tons (12,080 tons after conversion of Blake and Tiger)|
|Length:||555.5 ft (169.3 m)|
|Beam:||64 ft (20 m)|
|Draught:||23 ft (7.0 m)|
|Installed power:||80,000 shp (60 MW)|
|Speed:||31.5 knots (58.3 km/h)|
|Range:||8,000 nautical miles (14,816.0 km) at 16 knots (30 km/h)|
|Complement:||716 (885 after conversion of Blake and Tiger)|
|Aircraft carried:||4 × helicopters (originally Wessex then Sea King)|
Design and commissioning
Development of the Tiger class
The Tiger-class cruisers were developments of the Minotaur-class light cruisers, laid down in 1942–3, but production of the Light Fleet Carrier was given priority and the Tiger design was viewed as obsolete by 1944, and therefore only the first Tiger, HMS Superb, was completed, largely fitted out to the earlier Minotaur specifications of HMS Swiftsure and HMS Minotaur (HMS Ontario). Three other ships of the Tiger class had their construction suspended by late 1944, after HMS Defence, later HMS Lion, was launched in September 1944. Immediately post war, a few months work was done to launch, HMS Tiger and HMS Blake in a lesser state of completion, and in 1947, the class suspension was confirmed for complete redesign. By 1946, 9 Mk 24 turrets were advanced to 75–80% of their planned specifications, with 3 other turrets partially complete for either the Tiger or Neptune class cruisers. These turrets were a more advanced version of the Mk 23 wartime triple 6-inch. The new Mk 24 6-inch mounts were interim turrets which had remote power control and power worked breech. Theoretically, the heavier Mk 24 offered a dual purpose (DP) capability with greater 60° elevation. With power ramming, the shells would fire at consistent intervals, and combined with the faster training speeds obtained with Vanguard's secondary armament, they might be useful against bomber and jet aircraft flying at World War II speeds and heights. The Tiger design had a broader 64 ft (20 m) beam from HMS Superb on which to accommodate the larger turrets. But it was preferred to complete Superb with the older Mk 23 turrets in 1945, with the ultimate available war fit rather than delay completion. The 1947 Tiger design would have had four STAAG 40 mm Close-in weapon systems in which the 262 radar control was built into the gun mounts and more modern AIO and electrics.
Another two Tiger-class cruisers were cancelled. HMS Hawke was laid down in July 1943, and HMS Bellerophon in July 1944. Work on all the Tiger cruisers other than Superb was effectively stopped after mid-1944. It appears Hawke and Bellerophon were restarted in July 1944 and February 1945, as 15,700 ton Neptune-class cruisers with 12 Mk 24 6-inch guns and both cancelled in March 1946. The more advanced, HMS Hawke, was broken up in 1947, a controversial decision, for although she was still on the slip in the Portsmouth dockyard, her boilers and machinery were complete and her new 6-inch guns nearly so.
The whole class, which was constructed within a tight, cramped, and near impossible to modernise citadel, was nearly superseded by the completely redesigned N2 8500-ton 1944 cruiser, within the same 555 ft × 64 ft (169 m × 20 m) box of the Colony/Minotaur design, approved by the Admiralty Board on 16 July 1943 with four twin automatic 5.25-inch guns, better range, internal space and subdivision and economical 48,000 hp for 28 knots (52 km/h) machinery, but later rejected by the new First Lord Andrew Cunningham who believed 6-inch guns were essential. However, the follow on 15,000 ton Improved Belfast, Neptune, and Minotaur 15,000 ton designs with Mk 24 (4x3), Mk 25 (4x3) and Mk 26 (5x2), 6-inch turrets, respectively, and six twin Mk 6 4.5-inch guns were completely unaffordable post war for Britain. Plans to build the 15,000-ton Minotaurs had been abandoned by 1949. Attempts to develop such designs in the mid 1950s as guided missile cruisers, were opposed when Admiral Earl Mountbatten became First Lord in 1955. The decision not to complete the new Tigers in the late 1940s was due to desire to reassess cruiser design and the problem, effective anti-aircraft (AA) fire control to engage jet aircraft, was beyond UK industrial capability, in the first post-war decade, and higher priority was given to HMS Vanguard, the Battle-class destroyer, and new aircraft carriers, Eagle and Ark Royal, for allocation of the only 26 US-supplied lease lend effective medium range anti-aircraft Mk 37/275 directors, The 1947–49 period saw a peace dividend, and frigate construction was the priority in the Korean War.
By 1949, two alternative fits for the Tigers had been drawn up, one as pure anti-aircraft cruisers with 6 twin mountings of the new 3-inch 70 calibre design and the later fit, ultimately adopted of QF 6 inch Mark N5 guns in two twin Mark 26 automatic mountings and three twin 3-inch/70s. In historical term, this was a light armament and similar US weapons introduced on USS Worcester had experienced considerable problems with jamming and had performed below expectation. A third lower cost option of fitting two Mk 24 turrets in 'A' and 'B' positions and the Daring class's semi-automatic Mk 6 twin 4.5 in 'X' and 'Y' and possibly 2-4 single 4.5 Mk 5 mounts in place of the twin 4 inch X1X was considered during the Korean War. However, completing them to the 1946 plans or the mix of Mk 24 triples and Mk 6 4.5-inch mounts required 150 more crew than fully automatic DP armament. Significant work and trials would be required to bring the first six Mk 24 turrets and cruisers into service by 1953.[Note 1] However, much of the original dc circuits the Mk 24 turrets used had been stripped from the Tigers in 1948, there was a strong desire the new cruisers have ac power not dc or dual.
There was great doubt of the merits of completing the Tigers, given Soviet jet aircraft, from 1950 in the Korean War, were faster than anticipated, meaning missiles and small 40 mm/57 with modern fuses would be more useful for anti-aircraft purposes.The higher than expected speed of the MiG-15 and the somewhat unanticipated value of 6-inch shells for shore bombardment in the Korean War, combined with Soviet resumption of large light cruiser construction, meant the case for the original planned Mk 24 rested with its surface potential offering greater accuracy and slightly higher 7.5rpm rate of fire, against Soviet cruisers. Yet 168 ton, Mk 24 turret had less armour than the Mk 23, and the Sverdlov class had 6.9-inch turret armour. Arguments were made that US experience of light cruiser action during the Guadalcanal action against Japanese cruisers, suggested that manual operated 6-inch triples at low elevation could sustain high rates of fire of 8-10 rpm in the heat of the battle in action, which were higher than the consistent power rammed rpm of power rammed guns like the Fargo class or Mk 24 planned for the Tigers hence the continued refitting of Town, Colony and Swiftsure-class cruisers. However, while Bermuda did achieve 12rpm for a couple of minutes, it was only at low elevation at close range up to 5 miles at higher barrel wear, and the USN maintained the similar Cleveland class triple 6 on its post war missile conversions, including USS Galveston, not completed until 1958, the last Cleveland class, and in some ways the most valid comparison for the Tigers. Galveston maintained half its original planned armament with twin Talos surface-to-air missile launchers and was far more capable than HMS Tiger, even if more overweight. While the 1945 names finally selected for the Tiger class, Lion, Tiger, Hawke and Blake, suggest strong Admiralty support for the class, many of the leading RN naval architects, favoured scrapping them all in 1947, the Director of Naval Construction (DNC) informed the Acting Chief of Naval Staff, the Tigers were nearly structurally complete making substantial modernization or adding real aircraft direction capability impossible and the later war priority of heavy 6-inch turrets and close range AA weaponry to counter the Japanese air threat, meant they were the least suitable Royal Navy cruiser class for modernization. Unlike the Colony class, the Minotaur class could only be rearmed with three 100 ton 5.25-inch main turrets due to weight and internal volume restrictions, where all the other cruiser types could be refitted with four modern medium turrets on the centreline. A decision to approve rearming the Tigers with fully automatic Mk 26s was made late 1954. Of the suspended Minotaurs, Bellerophon was completed as Tiger, the name ship of the new Tiger class, Blake was completed under her own name,[Note 2] and Defence was completed as Lion. Conversion of Blake and Tiger to helicopter cruisers in the 1960s left no money to convert Lion, and she was scrapped in 1975, after eight years in reserve.
Construction of the three suspended ships resumed in 1954, to a revised design known as the Tiger class, as a platform to mount new automatic 6 inch and 3 inch guns. A controversial decision reflecting exaggerated concern about Soviet Sverdlov cruiser construction, described as 'chilling' by the director plans. The threat of the new Sverdlov-class cruisers also justified the Blackburn Buccaneer strike aircraft and stillborn Royal Navy plans for 6,000-ton cruiser/destroyers to overwhelm Sverdlov-class cruisers and air targets with rapid fire auto 5 inch guns 
The 1954 Guy Fawkes day Cabinet Meeting that decided the fate of the Royal Navy took six hours to decide that Churchill was determined to limit the Royal Navy. The Tigers were approved with the new automatic Mk 26 twin, along with the very expensive completion of the aircraft carriers Hermes and reconstruction and reboilering of Victorious, both with Type 984 3D radar. The update of the Tigers and aircraft carriers was the affordable alternative to two new 35,000-ton strike aircraft carriers, planned for laying down in 1957, and fought for with determination by First Lord Andrew Cunningham[clarification needed]. Allegedly most of the Cabinet would have scrapped the Tigers and Victorious and put one of the two new large carriers Eagle or Ark Royal in reserve, as advocated by the Minister of Defence, Lord Alexander. Both Churchill and Macmillan wanted only small carriers with anti-submarine warfare aircraft and Sea Vixen strike fighters  Therefore, the work on the Tigers proceeded; they appeared the newest cruisers, and with the Tiger prototype Superb they were the only cruisers with the 64 feet beam which allowed the fitting of the new twin 3-inch 70 calibre turrets on the flanks with adequate magazine capacity and more effective citadels to survive nuclear fallout. The 1957 Defence Review by Sandys justified the Tigers and the extended refit of Superb and Swiftsure, as interim anti-aircraft ships, until the County-class missile destroyers were commissioned. However the Towns Belfast and Liverpool had space for three new twin Mk 26 Turrets  but were considered too old by the Royal Navy and by 1960 serious consideration was being given to fitting HMS Blake and its half sister HMS Swiftsure with Seaslug missiles rather the X position 6 inch turret.
As a gun cruiser, Tiger served 8 years, Lion 5 years, and Blake 2 years. A modest refit would have allowed the Second World War completed Newfoundland, Ceylon and Belfast to run until 1966. The maintenance problems with the Tigers' guns meant that in 1964, Blake was in reserve and Lion with the Mediterranean fleet and HMNZS Royalist, with many RN crew was reactivated a surface escort for carrier groups in Southeast Asia in 1964, to deter the threat of the Indonesian ex-Soviet Sverdlov and a final tour in 1965 to support the amphibious carriers with AD and GFS potential. The Crown Colony and Town-class cruisers with their more reliable guns, suitable for plugging away in fire support, might have been adequate to counter an unescorted single lone Sverdlov, but had less nuclear survivability, and like the Tigers, pre-war designed hull and machinery, built during the war. Blake, Lion and HMNZS Royalist, proved too inefficient to serve in 1966, the year of maximum danger, the Indonesian confrontation, saw all the large destroyers, the Darings, refitted with MRS3 fire control, even the last Daring, Defender was refitted in 1963-65 with the new fire control for its three 4.5-inch twin turrets in a final Daring refit in an attempt to provide some sort of substitute for the failed Tiger cruisers and provide a counter to the Sverdlovs and the aircraft/detection Battles, with new electronics and the County-class guided missile destroyer also did GFS and fleet escort role . Lion, launched in 1944,and eight years in reserve in a Scottish loch, was in poor condition when reconstruction began in 1954  which ultimately rendered it unsatisfactory, for other than spare parts for "HMS Liger" as HMS Tiger was known during its reconstruction as a helicopter cruiser in 1968-1972.
By 1964 the Conservative Government saw the Tigers as no longer affordable or credible in the surface combat or fleet air defence role and approved their conversion into helicopter carriers, with a large hangar replacing 'Y' turret, and 'A' and 'B' turrets retained for NGFS, offensive operations, and anti-surface vessel warfare.The original plan retained the full three twin 3 inch mounts or CIWS with full update of the sonar and radar including 965M AW but replacing the 992 target indicator radar with the slower 993. To retain large units primarily for command and flagship roles and cruiser names and tradition, the RN and MOD asserted, three Tiger cruisers would add anti-submarine warfare capabilities, in theory providing twelve dipping-sonar and torpedo equipped helicopters (4 x 3) in a 30kt hull with considerable self-defence capability. At the time the Royal Navy was concentrated mainly east of Suez operation and the anti-submarine deterrent role was mainly to counter slow Indonesian and Chinese diesel submarine. In theory even, one Tiger one might be available to threaten nuclear depth charge use and free space on aircraft carriers like Hermes and Victorious for Strike and Air Warfare aircraft. However major exercises in 1965, with modernised WW2 cruisers like the USS Topeka and HMNZS Royalist, suggested they were anything but suitable platforms for tracking modern submarines.
The Wilson Labour Government continued the conversion of Tiger and Blake, to retain residual anti-submarine, nuclear and flagship capability after deciding on a rapid phase out of carriers in 1968. However, during the conversion of Blake the plan was changed to allow the cruisers to operate, 4 of the more capable Westland Sea King carriers, although only 3 Sea Kings could actually, ever be accommodated and serviced in the longer hangar which extended further into the main structure of the ship, and greater cost and forcing the replacement of the side 3-inch gun mounts (which fire arcs were now too restricted) with much less effective Seacat GWS22. The low priority given to deterrence of Soviet submarines in the Northern Atlantic by the MOD is reflected by the decision to convert a suitable anti-submarine helicopter platform, the carrier Hermes into an amphibious carrier. The suggestion of the captain of the aircraft carrier Bulwark in 1966 that Bulwark and the other light fleet carriers be developed for the 'cruiser' role, carrying P1127 Harriers and anti-submarine helicopters, as well as troops and marine-carrying helicopters, was rejected, despite the argument there capacity was under-utilised. The later advent of the Invincible-class aircraft carriers would seem to add weight to this proposal. Hermes and Bulwark were larger, and offered better silencing and hangar capacity. The Labour Government's priority was to arm aircraft in West Germany with tactical and thermo-nuclear weapons, and secondly, amphibious support of the British Army in Norway. Provision of nuclear depth charges for anti-submarine, aircraft carriers and destroyers and frigates was limited and late, although approval to wire all the Leander, Rothesay and County class for triggering NDB was given in 1969, and frigates and destroyers offered, quieter listening platforms, than the old Tigers. The proposed class of four Type 82 escort destroyer/cruisers fitted with nuclear Ikara anti-submarine missiles could have been a more reliable nuclear deterrent, but the British Ikara missile was ultimately fitted only to carry conventional MK 46 torpedoes and only one Type 82, HMS Bristol eventuated, lacking even a helicopter hangar, and was plagued by problems common with dated and complex steam propulsion. Crewing and developing large cruiser size warships with steam propulsion was becoming more difficult in the RN, contributing to the issues in Tiger and the much later Type 82 destroyer, Bristol. With no other approved option, in 1965, work began on Blake to convert her to a helicopter cruiser while Tiger began her conversion in 1968. The structural modernisation work on these old hulls was difficult and expensive. However, the ships successfully served as helicopter command cruisers and provided an argument to justify construction of their replacement, the Invincible class 'through deck cruisers'. The third Tiger Lion's conversion was cancelled, due to rising cost and obvious fact by 1969 that Blake's conversion was unsatisfactory. Lion operational until late 1965, remained technically in reserve, as a gun cruiser, although a great deal of her parts were incorporated in the conversion of HMS Tiger, which was unofficially known as HMS 'Liger'. The conversion of two or three County-class guided missile destroyers as anti-submarine helicopter cruisers might have provided a quite effective anti submarine vessel, as Chile did with two of its second hand County class. Running on their steam turbines alone, the County GMD was a quiet anti submarine platform and three RN County-class vessels were expensively updated in the late 1970s with Exocet and improved C4 and Glamorgan proved useful in the 'cruiser' role in the Falklands War, being faster through rough seas than even Hermes. Without proper modernisation and removal of the Sea Slug missile system, their helicopter capabilities were cumbersome and limited, although Humphrey an old Wessex, was successful in Operation Corporate. Had the last two County class HMS Antrim and HMS Norfolk which commissioned in 1970, been redesigned early in their construction as helicopter carrier a very good anti submarine helicopter carrier might have resulted with Sea King capacity, and it is not inconceivable HMS Bristol could have been redesigned with the single Sea Launcher forward and a hangar for 4 Sea King in place of where Sea Dart and Limbo and pad were actually sited on the T82. The conversion of the destroyer Devonshire, proposed for Egypt in 1978, would have had both a deck hangar and below deck hangar (in the area of the former Sea Slug magazine) to operate 4 Lynx or 3 Wessex and might have produced a flawed anti-submarine helicopter cruiser. The Tigers as half heavy gun cruiser and half short life anti-submarine carrier, suited the RN as flagships with good communications and some modern sensors, but they did not really add to task force defence and needed protection themselves, and by 1979, the USN had mothballed its last 6-inch gun cruiser USS Oklahoma.
The conversions left Tiger and Blake some 380 tons heavier with a full displacement of 12,080 tons and their crew complements increased by 169 to 885. Originally, Lion was also to have been converted, although this never materialised: Blake's conversion had been more expensive than envisaged (£5.5 million) and so funds were no longer available. Ironically Tiger's conversion cost even more (£13.25 million), such was the level of inflation at the time. After much material was stripped off her for use as spares for her sisters, Lion was subsequently sold for breaking up in 1975.
Obsolescence and decommissioning
In 1969, Blake returned to service followed by Tiger in 1972. However, the large crews and limited helicopter capacity made Tiger's further fleet service limited to less than nine years. After spending seven years in reserve, the decision was made in 1973 to strip Lion for spares to maintain Blake and Tiger, and Lion was sold for scrap in 1975.
The cut-back in operating funds and manpower, faced by the Royal Navy when the new Conservative government limited fuel and operating allowances in a policy of tight monetary control, and the belief in the economy of Nimrod aircraft and submarines for anti-submarine operations quickened their demise. The recommissioning of the carrier Bulwark and conversion of Hermes meant that they could carry twice as many Sea Kings as could the Tigers in anti-submarine warfare, vital against the Soviet Union submarine threat in the Atlantic, and decreased the importance of the Tigers even further. What was often overlooked however was the vulnerability of Hermes or Bulwark in operating independently, with only minimal CIWS, and the Dutch Tromp and De Ruyter were particularly vital stand-in, destroyer leader ships working with RN carriers from the mid 1970s. Operating alone as a RN task force, carriers could not be risked in blue water operations without an escort of Type 42 destroyers, Type 22 frigates or Sea Wolf-fitted Leander-class frigates. The true manpower requirements for open water and power projection were high in terms of fiscal cost and hulls but not improved by ships like the Tigers. It is easy to overlook the fear the British Royal Navy had of the Second World War era ex-American cruiser General Belgrano during the Falklands War, but her ability to efficiently fight her armament is doubtful and her two Exocet-armed FRAM 2 Allen M. Sumner-class escorts may have represented a greater threat to the Task Force. The rapid-firing twin 6-inch Mk.26 turrets of 'Tiger' and 'Blake', their flight-decks and speed, along with a virtually inexhaustible stock of 6-inch and 3-inch ammunition held for them in the 1970s, were arguments for emergency reactivation as landing pads during the Falklands but the stock of 3-inch ammunition held for the Tigers was more useful providing for the Canadian St. Laurent class.
In April 1978, Tiger was withdrawn from service, followed by Blake in 1979; both ships were laid up in reserve at Chatham Dockyard. When Blake was decommissioned in 1979, she had the distinction of being the last cruiser to serve the Royal Navy and her passing was marked on 6 December 1979 when she ceremonially fired her 6-inch guns for the last time in the English Channel. Just a few days after the Falklands War started, both Blake and Tiger were rapidly surveyed to determine their condition for reactivation. The survey determined both ships to be in very good condition and were put into dry-dock (Blake at Chatham, and Tiger at Portsmouth) and round-the-clock work reactivation work immediately begun. By mid-May it was determined that the ships would not be completed in time to take part in the war and the work was stopped. Ships, like the Tigers, required large crews, with their missile systems needing updating and the ships themselves needing heavy repairs to the machinery and rewiring. Attempts to maintain more modern hulls Intrepid and Fearless amphibious assault ships for emergency reactivation were expensive, and questionable, but one has to consider the fact that there was nothing else, and both acquitted themselves well during the Falklands conflict. Retaining a couple of the first group County-class destroyers at Chatham dockyard half-manned and permanently maintained might have allowed a heavier GFS capability to actually fight in the Falklands War, but their aircraft operating ability was already obsolete, and the Tigers Sea Kings and main armament were worth two Countys, and at a lesser manpower, so this suggestion is flawed.
Though Chile showed some interest in acquiring both ships, the sale did not proceed and the ships sat at anchor in an unmaintained condition until sold. Blake was then sold for breaking up in late 1982, followed by Tiger in 1986.
|Pennant||Name||(a) Hull builder
(b) Main machinery manufacturers
|Laid down||Launched||Accepted into service||Commissioned||Decommissioned||Estimated building cost|
|C20||Tiger (ex-Bellerophon) ||(a) & (b) John Brown and Co Ltd, Clydebank.||1 October 1941 ||25 October 1945 ||March 1959 ||18 March 1959 ||20 April 1978 ||£12,820,000 |
|C34||Lion (ex-Defence) ||(a) Scotts Shipbuilding & Engineering Co Ltd, Greenock (to launching stage)
(a) Swan Hunter & Wigham Richardson Wallsend-on-Tyne (for completion).
|24 June 1942 ||2 September 1944 ||July 1960 ||20 July 1960 ||December 1972 ||£14,375,000 |
|C99||Blake (ex-Tiger, ex-Blake) ||(a) & (b) Fairfield Shipbuilding and Engineering Company Govan, Glasgow.||17 August 1942 ||20 December 1945 ||March 1961 ||8 March 1961 ||December 1979 ||£14,940,000 |
Plastic kits were offered by Frog, Airfix and Matchbox of both the original and converted versions of the ships. The Frog kit was in 1/500 scale full hull version in gun cruiser configuration, the Matchbox kit was a 1/700 scale water-line kit of the helicopter conversion Tiger, while the Airfix kit was a 1/600 scale full-hull rendering of the Lion. Both smaller kits were available well into the 1990s. In addition the Frog molds were sold with the dissolution of the company resulting in the kit being produced by Novo (disambiguation), and the kit had also produced under license by UPC (disambiguation) which had released several other Frog molds as well.
- With two pairs of 274 and 275 directors. The first UK sourced accurately machined and reliable 275M directors were fitted in 1956, in Royalist and Type 12 frigates, 14 years after the US Mk 37 DCT was introduced. confirms in late 1951 UK Industry could still not build precision bearings or work to the fine tolerances needed for accurate naval AA fire and fire control box components, had to ordered, again from the US. However by 1953, US Mk 63 directors in the MRS 8 directors for close in defence had been fitted at US expense in most major RN units and cruisers. Newfoundland was reconstructed to a pattern very similar to that planned for HMS Hawke and the Tigers with 2/274 surface DCTs with the unreliable, UK glasshouse 275 offset. On exercise AA firing Royalist outshot HMS Newcastle easily.
- Although she had been named Tiger halfway through the process, then renamed Blake.
- H. Lenton. British Cruisers. MacDonald. London (1973) p 142-3
- New Statesman Yearbook 1952/3
- Brown, D.K; Moore, G. (2012). Rebuilding the Royal Navy. Warship Design since 1945. UK: Seaforth. p. 19.
- Freidman, N. British Cruisers Two World Wars and After. Seaforth (2010 UK), p 261 and Moore. Warships 1996, re N2
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- P. Marland. "Post War Fire Control in the RN" in Warship 2014. Conway. London(2014)p149
- Friedman, N. (2010). British Cruisers Two World Wars and After. UK: Seaforth.
- Brown & Moore 2012, p. 47
- Barnett, Correlli (2001). The Verdict of Peace. London: MacMillan. pp. 47, 321.
- Pugsley, C. (2003). From Emergency to Confrontation, Malaysia & Borneo 49-66. NZ/Au: OUP.
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- N.Freidman. British Cruisers (2010),p293
- D.Muffin, AA to AA, The Fiji's, Warship 2010
- N.Freidman. British Cruisers. Seaforth (2010), p 309
- N Freidman. British Cruisers. Seaforth.(2010)
- P. Zeigler. Mountbatten the Official biography London (2001) )[page needed] & Dan van der Vat. Standard of Power (2001) The Royal Navy in the Twentieth Century. Pilmco. London (2001)[page needed]
- E. Grove. The Royal Navy. A Short History. Palgrave (2005), p223
- D.K. Brown & G.Moore. Rebuilding the RN (2003) London, p56-7
- E. Grove. The Royal Navy. Palgrave (2005), p223
- H. MacMillan. Autobiography. V 4 & 5 & E. Grove. History of Royal Navy (2005) p223.
- P. Brown. 'The Tale of a Tiger' in Ships Monthly July 2015. Cudham, Kent,p 52.
- D.K. Brown & G.Moore. Rebuilding the Royal Navy.(2003)UK, p48
- D.K.Brown. Rebuilding the RN
- Proceedings- HMNZS Royalist 1958-1966. NZ National Archives. Wgtn. NZ ,
- N. Freidman. British Cruisers WW2 & After. Seaforth. Barnsley, p321 & D.Wettern. Tiger Class in Janes Defence Annual. Janes.(1973) London
- E. Hampshire. East of Suez to East Atlantic.
- A.Clarke. Sverdlov Cruisers and the RN Response, in British Naval History 12-5-2014
- Moore, C (2013), Margaret Thatcher. The authorised biography. V1, Not for Turning., London: Allen Lane, pp. 711–713
- "Unit cost, i.e. excluding cost of certain items (e.g. aircraft, First Outfits)."
Text from Defences Estimates
- Gardiner, Robert Conway's All the World's Fighting Ships 1947-1995, pub Conway Maritime Press, 1995, ISBN 0-85177-605-1 page 504.
- Navy Estimates, 1959-60, pages 230-1, List and particulars of new ships which have been accepted or are expected to be accepted into HM service during the Financial Year ended 31st March 1959
- Navy Estimates, 1961-62, pages 220-1, List and particulars of new ships which have been accepted or are expected to be accepted into HM service during the Financial Year ended 31st March 1961
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