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| 1962 | Ordered |  F28 HMS Cleopatra | |
| 1963-jun-3 | Laid down | F42 HMS Phoebe | |
| 1963-jun-19 | Laid down | F28 HMS Cleopatra | |
| 1963-aug-9 | Laid down | F40 HMS Sirius | |
| 1964-mar-25 | Launched | F28 HMS Cleopatra | |
| 1964-jul-8 | Launched | F42 HMS Phoebe Yard No. 681 | |
| 1964-sep-22 | Launched | F40 HMS Sirius | |
| 1964-nov-27 | Laid down | F56 HMS Argonaut | |
| 1965-dec | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XT437 assigned as Cleopatra Flt/463 until c Jul 1966. | |
| 1966-jan-4 | Commissioned | F28 HMS Cleopatra | |
| 1966-feb-8 | Launched | F56 HMS Argonaut | |
| 1966-apr-15 | Commissioned | F42 HMS Phoebe | |
| 1966-may | Aircraft | F40 HMS Sirius allocated 829 Sq Wasp HAS.1 XT437 as Sirius Flt/450 until c Nov 1969 | |
| 1966-jun-15 | Commissioned | F40 HMS Sirius | |
| 1966-aug-17 | Commissioned | F56 HMS Argonaut | |
| 1966-aug-27 | Deployment | F42 HMS Phoebe present at Plymouth Navy Days 1966 | |
| 1966-nov-28 | Deployment | F40 HMS Sirius departed HMNB Portsmouth for 12 month Far East deployment, returned 23 Nov 1967. | |
| 1967-jan | Deployment | F40 HMS Sirius  Beira Patrol off Mozambique Channel, enforcing UN sanctions. | |
| 1967-may-22 | Port Visit | F42 HMS Phoebe visit to Aberdeen with Wasp HAS.1 XT416 on loan. Replaced by loan from HMS Tartar, XS570, on 26 May during the visit. | |
| 1967-aug-26 | Deployment | F28 HMS Cleopatra present at Plymouth Navy Days 1967 | |
| 1967-nov | Deployment | F42 HMS Phoebe part of Task Force 318 to cover the British withdrawal from Aden during Operation Magister. | |
| 1968-feb | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XT440 assigned as Cleopatra Flt/463-CL by Feb 1968 until 17 Sep. | |
| 1968-sep-17 | Aircraft | F28 HMS Cleopatra 829 NAS Cleopatra Flt Wasp HAS.1 XT440/463-CL ditched and sank off Dutch coast on 17 Sep 1968 | |
| 1968-oct | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XS534 assigned as Cleopatra Flt/463-CL until c Dec 1968. | |
| 1968-nov-4 | Aircraft | F42 HMS Phoebe assigned Wasp HAS.1 XV625/471-PB as Ships Flt, until Dec 1970 | |
| 1968-dec | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XT432 assigned as Cleopatra Flt/463-CL until c Apr 1970. | |
| 1968-dec | Deployment | F28 HMS Cleopatra Beira Patrol off Mozambique to enforce UN sanctions against Rhodesia (now Zimbabwe), as part of her Far East Station deployment. Returned to Devonport Oct 1969. | |
| 1969-apr | | F42 HMS Phoebe Nato Fleet Review - Spithead | |
| 1969-jul-26 | Deployment | F42 HMS Phoebe Fleet Review: Ships of the Western Fleet Present at Ships of the Western Fleet review in Torbay. | |
| 1969-jul-26 | Deployment | F40 HMS Sirius Fleet Review: Ships of the Western Fleet Present at Ships of the Western Fleet review in Torbay. | |
| 1970-apr-17 | Deployment | F42 HMS Phoebe Apollo XIII splashdown recovery to waters off Mauritius as standby for secondary splashdown site for Apollo XIII recovery | |
| 1970-apr-21 | Deployment | F40 HMS Sirius to Trinidad and the Cayman Islands, following local riots | |
| 1970-may | Refit | F28 HMS Cleopatra to Sep 1970 | |
| 1970-aug-29 | Port Visit | F56 HMS Argonaut Ship open to visitors at Plymouth Navy Days 1970. | |
| 1970-sep | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XV631 assigned as Cleopatra Flt/463-CL by Sep 1970 until May 1972 | |
| 1970-nov-2 | Deployment | F56 HMS Argonaut Exercise Lime Jug departed Valletta on 29 Oct for Lime Jug, in company with HMS Ark Royal. ENDEX on 15 Nov. | |
| 1971 | Deployment | F56 HMS Argonaut Beira Patrol off Mozambique channel, enforcing UN sanctions. | |
| 1971-apr-5 | Aircraft | F42 HMS Phoebe assigned Wasp HAS.1 XV625/471-PB as Ships Flt, until Aug 1974 | |
| 1971-aug-28 | Port Visit | F40 HMS Sirius Ship open to visitors at Plymouth Navy Days 1971. | |
| 1971-nov | Deployment | F42 HMS Phoebe assisted in humanitarian operations in St Vincent, following eruption of Mount Soufriere, supported by HMS Berwick and departed by 8 Dec. | |
| 1971-dec | Deployment | F42 HMS Phoebe to Bermuda, escorting HMS Glamorgan in support of UK-US heads of government summit. | |
| 1972-may-15 | Aircraft | F28 HMS Cleopatra while operating from ship in Indian Ocean, Wasp XV631 ditched
290nm ENE Gan. Wreck recovered, to AIU Lee on Solent by Jun 1972. | |
| 1972-may-22 | Deployment | F28 HMS Cleopatra Beira Patrol Relieved HMS Lowestoft on Beira Patrol duty. | |
| 1972-sep | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XT434 assigned as Cleopatra Flt/463 until c Sep 1973. | |
| 1973-jul | Refit | F28 HMS Cleopatra  MM38 Exocet single launcher first Leander class Exocet conversion, completed 1975 | |
| 1974-jan | Deployment | F56 HMS Argonaut departed UK as escort to HMS Fife, Flagship of Task Group 317.1 for 9 month Indian Ocean and Australia group deployment in company with HMS Apollo. HMS Ariadne, HMS Danae and HMS Londonderry, supported by RFA Tarbatness. Returned to HMNB Devonport on 4 Oct. | |
| 1974-aug | Refit | F42 HMS Phoebe MM38 Exocet single launcher Exocet conversion at HMD Devonport, completed by Apr 1977 | |
| 1975-mar | Refit | F40 HMS Sirius MM38 Exocet single launcher Exocet conversion, completed 1977 | |
| 1975-nov | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XV635 assigned as Cleopatra Flt/463 until 5 Apr 1977. | |
| 1975-nov-25 | Trials | F28 HMS Cleopatra post re-commissioning trials, in Caribbean. | |
| 1976-feb | Refit | F56 HMS Argonaut MM38 Exocet single launcher Exocet conversion at HMD Devonport and fitted for Lynx operations, completed Jan 1980. Recommissioned 22 Mar 1980. | |
| 1976-aug-28 | Port Visit | F42 HMS Phoebe present at Plymouth Navy Days 1976. | |
| 1976-aug-28 | Port Visit | F56 HMS Argonaut present at Plymouth Navy Days 1976. | |
| 1977-feb-28 | Aircraft | F42 HMS Phoebe assigned Wasp HAS.1 XS542/471-PB as Ships Flt, until Oct 1977 | |
| 1977-apr-5 | Aircraft | F28 HMS Cleopatra Wasp XV635/463 ditched and sank SW of Eddystone Rocks. | |
| 1977-jun-25 | Deployment | F42 HMS Phoebe Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review (1st Frigate Squadron), off Mother Bank | |
| 1977-jun-25 | Deployment | F28 HMS Cleopatra Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review (Captain 4F), off Gosport | |
| 1977-jul-4 | Aircraft | F40 HMS Sirius briefly assigned Lynx HAS.2 XZ232/450 until mid Jul, although never actually joined ship. | |
| 1977-aug-27 | Deployment | F42 HMS Phoebe present at Plymouth Navy Days 1977 | |
| 1977-aug-27 | Deployment | F28 HMS Cleopatra present at Plymouth Navy Days 1977 | |
| 1977-aug-27 | Deployment | F40 HMS Sirius present at Plymouth Navy Days 1977 | |
| 1977-aug-27 | Deployment | F56 HMS Argonaut present at Plymouth Navy Days 1977 | |
| 1977-sep-5 | Deployment | F28 HMS Cleopatra Departed HMNB Devonport as part of Task Group 317.6 for 7.5 month Australia and Far East group deployment, led by HMS Tiger. Left in company with HMS Amazon, HMS Mohawk and HMS Zulu. Returned to Devonport on 20 Apr 1978. | |
| 1977-oct | Aircraft | F28 HMS Cleopatra 829 NAS Wasp HAS.1 XT784 assigned as Cleopatra Flt/463 until c Sep 1978. | |
| 1977-nov | Aircraft | F42 HMS Phoebe used Wasp HAS.1 XV632/440-BK, on loan from HMS Berwick, until Jan 1978 | |
| 1977-nov-25 | Deployment | F42 HMS Phoebe Operation Journeyman departed HMNB Devonport and stood back from the Falklands in support of HMS Dreadnought, close in. | |
| 1978 | Refit | F28 HMS Cleopatra until Apr 1979, prepared for Lynx operations. | |
| 1978-feb-8 | Aircraft | F42 HMS Phoebe 1st operational deployment of the Lynx HAS.2 with 700L Sq XZ233/471-PB arriving aboard. | |
| 1979-jan | Aircraft | F28 HMS Cleopatra 702 NAS Lynx HAS.2 XZ247 assigned as Cleopatra Flt/463-CP until c May 1981 | |
| 1979-apr | | F28 HMS Cleopatra Ship granted the Freedom of Harrogate. | |
| 1979-jun | Aircraft | F56 HMS Argonaut 702 Sq Lynx HAS.2 XZ256 / 466-AT until c Jan 1982. | |
| 1981-feb | Refit | F42 HMS Phoebe towed array sonar Type 2031 upgrade to towed array sonar, completed 1982 | |
| 1981-jun | Aircraft | F28 HMS Cleopatra 815 NAS Lynx HAS.2 XZ730 assigned as Cleopatra Flt/463-CP until c Dec 1981. | |
| 1981-aug-29 | Port Visit | F28 HMS Cleopatra Ship open to visitors at Plymouth Navy Days 1981 | |
| 1982-jan | Refit | F28 HMS Cleopatra towed array sonar Type 2031 new sonar array fitted by Apr 1983 | |
| 1982-apr-19 | Deployment | F56 HMS Argonaut Operation Corporate Departed HMNB Devonport for South Atlantic and was joined by her Lynx HAS.2 XZ233, just as she cleared Plymouth Breakwater. Left theatre on 5 Jun 1982. | |
| 1982-jun | Aircraft | F42 HMS Phoebe assigned 815 Sq 242 Flt Lynx HAS.2 XZ724/471-PB until c Sep 1985 | |
| 1982-jun-5 | Aircraft | F56 HMS Argonaut swapped Sea Skua fitted Ships Flt Lynx with HMS Cardiff, and returned to the UK with XZ254. Arrived in UK, towards end Jun 1982. | |
| 1982-aug | Refit | F56 HMS Argonaut towed array sonar Type 2031 new sonar array fitted by Nov 1983 | |
| 1982-sep | Deployment | F42 HMS Phoebe departed UK for South Atlantic deployment | |
| 1985-apr | Refit | F40 HMS Sirius towed array sonar Type 2031 new sonar array fitted by Nov 1985 | |
| 1986-oct | Aircraft | F42 HMS Phoebe assigned 829 Sq 242 Flt Lynx HAS.3 XZ729/471-PB until c Nov 1990 | |
| 1988-jan | Aircraft | F56 HMS Argonaut 829 Sq Lynx HAS.3 ZD251 assigned as /466-AT short term, until c Mar 1988 | |
| 1988-jul | Deployment | F42 HMS Phoebe detached from NATO duty to assist in the aftermath of the Piper Alpha oil rig disaster in the North Sea on 6 July. | |
| 1988-aug-23 | Deployment | F40 HMS Sirius engaged by Chinese shore battery off Triton Island, in the Paracels group. | |
| 1988-sep-26 | Port Visit | F40 HMS Sirius Fleet Review: Australia Bi-centennial Naval Salute to Sydney for Australian Bi-centennial Fleet Review | |
| 1989-jul-28 | Deployment | F42 HMS Phoebe present at Plymouth Navy Days 1989 | |
| 1989-jul-28 | Deployment | F40 HMS Sirius present at Plymouth Navy Days 1989 | |
| 1990 | Refit | F40 HMS Sirius Refit until Jan 1991 | |
| 1991-feb-14 | Decommissioned | F42 HMS Phoebe | |
| 1991-oct | Deployment | F28 HMS Cleopatra STANAVFORLANT NATO deployment, completed on 17 Dec 1991 when she entered HMNB Devonport for the final time. | |
| 1992 | Fate: scrapped | F42 HMS Phoebe sold for scrap, to India | |
| 1992-jan-24 | Decommissioned | F28 HMS Cleopatra Decommissioning ceremony at HMNB Devonport on 24 Jan 1992. | |
| 1992-nov | Port Visit | F56 HMS Argonaut present in Egypt, for the 50th anniversary of the second Battle of El Alamein. | |
| 1993 | Fate: scrapped | F28 HMS Cleopatra scrapped in India | |
| 1993-feb-27 | Decommissioned | F40 HMS Sirius | |
| 1993-mar-31 | Decommissioned | F56 HMS Argonaut | |
| 1995 | Fate: scrapped | F56 HMS Argonaut scrapped in Spain | |
| 1998-sep-30 | Fate: sunk | F40 HMS Sirius sunk as Fleet target by a submarine launched torpedo | |
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