| |
| 1966-oct-27 | Laid down |  F69 HMS Bacchante | |
| 1967-dec-1 | Laid down | F12 HMS Achilles | |
| 1968-jan-30 | Laid down | F16 HMS Diomede Yard No 2366 | |
| 1968-feb-29 | Launched | F69 HMS Bacchante | |
| 1968-nov-21 | Launched | F12 HMS Achilles | |
| 1969-feb | Aircraft | F69 HMS Bacchante assigned 829 NAS Wasp HAS.1 XT443 as Bacchante Flt/425 until c Jul 1969 | |
| 1969-apr-15 | Launched | F16 HMS Diomede | |
| 1969-may-1 | Laid down | F70 HMS Apollo Yard No 1002 | |
| 1969-oct-17 | Commissioned | F69 HMS Bacchante | |
| 1969-nov-1 | Laid down | F72 HMS Ariadne | |
| 1970-jul-9 | Commissioned | F12 HMS Achilles | |
| 1970-aug-29 | Port Visit | F12 HMS Achilles Ship open to visitors at Plymouth Navy Days 1970. | |
| 1970-oct-15 | Launched | F70 HMS Apollo | |
| 1970-dec | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XT432 as Diomede Flt/423-DM until c Sep 1972 | |
| 1971-apr-2 | Commissioned | F16 HMS Diomede | |
| 1971-sep-10 | Launched | F72 HMS Ariadne | |
| 1972 | Deployment | F12 HMS Achilles Far east | |
| 1972-jan | Deployment | F69 HMS Bacchante detached from exercise with US Navy and ordered towards British Honduras, as escort for HMS Ark Royal, to deter Guatemalan ambitions. | |
| 1972-may | Aircraft | F70 HMS Apollo assigned Wasp HAS.1 XS566 as /470-AP by May 1972 (until c Jun 1974 ?) | |
| 1972-may-28 | Commissioned | F70 HMS Apollo | |
| 1972-oct | Aircraft | F16 HMS Diomede assigned 829 NAS Wasp HAS.1 XS572 as Diomede Flt/423-DM, until c Apr 1973 | |
| 1973-feb-10 | Commissioned | F72 HMS Ariadne | |
| 1973-apr | Port Visit | F70 HMS Apollo visited St Helena, in company with HMS Rhyl and RFA Tidereach. | |
| 1973-may | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XV634 as Diomede Flt/423 until c Oct 1973 | |
| 1974-jan | Deployment | F70 HMS Apollo 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 Argonaut, HMS Ariadne, HMS Danae and HMS Londonderry, supported by RFA Tarbatness. Returned to HMNB Devonport on 4 Oct. | |
| 1974-jan | Deployment | F72 HMS Ariadne 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 Argonaut, HMS Danae and HMS Londonderry, supported by RFA Tarbatness. Returned to HMNB Devonport on 4 Oct. | |
| 1974-aug | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XS528 as Diomede Flt/423 until c Jul 1978 | |
| 1974-sep-17 | Deployment | F16 HMS Diomede departed HMNB Devonport to join Task Group 317.2 for Far East deployment, joining with HMS Achilles, HMS Blake, HMS Falmouth, HMS Leander, HMS Lowestoft, RFA Green Rover, RFA Olna and RFA Stromness, returned Jun 1975. | |
| 1974-sep-17 | Deployment | F12 HMS Achilles departed HMNB Devonport to join Task Group 317.2 for Far East deployment, joining with HMS Blake, HMS Diomede, HMS Falmouth, HMS Leander, HMS Lowestoft, RFA Green Rover, RFA Olna and RFA Stromness, returned Jun 1975. | |
| 1974-oct-14 | Port Visit | F16 HMS Diomede Visited Simonstown en route Far East deployment, in company with other ships from Task Group 317.2, until 21 Oct. | |
| 1974-oct-14 | Port Visit | F12 HMS Achilles Visited Simonstown en route Far East deployment, in company with other ships from Task Group 317.2, until 21 Oct. | |
| 1975-mar-29 | Deployment | F12 HMS Achilles  Operation Stella Ordered to coast off South Vietnam from a Far East group deployment, to assist in evacuation of British and Commonwealth citizens. Accompanied by HMS Lowestoft and RFA Green Rover. | |
| 1975-nov-12 | Deployment | F12 HMS Achilles collision in English Channel with 220,000 ton, Panamanian registered tanker mv Olympic Alliance in heavy fog. | |
| 1975-dec | Refit | F12 HMS Achilles new bow section at HMD Devonport after mid-Channel collision | |
| 1976 | Refit | F72 HMS Ariadne | |
| 1976-mar-23 | Deployment | F16 HMS Diomede collision with Icelandic Coast Guard vessel Baldur, during 2nd Cod War | |
| 1976-aug-28 | Port Visit | F72 HMS Ariadne present at Plymouth Navy Days 1976. | |
| 1976-aug-28 | Port Visit | F12 HMS Achilles present at Plymouth Navy Days 1976. | |
| 1977-mar | | F72 HMS Ariadne Deployment Caribbean/South America | |
| 1977-jun-25 | Deployment | F70 HMS Apollo Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review (as Captain 2F), off Peel Bank | |
| 1977-jun-25 | Deployment | F16 HMS Diomede Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review (as Captain 3F), off Gosport | |
| 1977-jun-25 | Deployment | F72 HMS Ariadne Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review (7th Frigate Squadron), off Browndown | |
| 1977-jul-5 | Deployment | F12 HMS Achilles sent to British Honduras to re-inforce the garrison after further deterioration in relations with adjacent Guatemala. | |
| 1977-aug-27 | Deployment | F12 HMS Achilles present at Plymouth Navy Days 1977 | |
| 1979-mar | Port Visit | F70 HMS Apollo visited Dartmouth to drop off CINCNAVHOME to BRNC | |
| 1979-may-8 | Deployment | F12 HMS Achilles departed HMNB Portsmouth as escort to HMS Norfolk, Flagship of Task Group 317.8 for 7 month Indian Ocean and Far East group deployment in company with HMS Arethusa and HMS Falmouth, supported by RFA Black Rover, RFA Olmeda and RFA Regent. This group joined with the Devonport group of HMS Arrow and HMS Dido. Returned to Chatham 14 Dec 1979. | |
| 1979-nov | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XV638 briefly, during Nov 1979 as Diomede Flt/423 | |
| 1980-jan | Refit | F72 HMS Ariadne at Gibraltar until recommissioned, Mar 1981 | |
| 1980-jan | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XV634 (again) as Diomede Flt/423 until Jul 1987 | |
| 1980-jan-15 | Aircraft | F12 HMS Achilles assigned Wasp HAS.1 XV638 as 829 Sq 043 Achilles Flt/430 | |
| 1980-aug | Aircraft | F72 HMS Ariadne anticipating completion of refit, assigned 829 Sq Wasp HAS.1 XT426 as 023 Ariadne Flt/455 in Aug 1980 until at least Mar 1983 | |
| 1980-aug | Aircraft | F70 HMS Apollo Assigned 829 NAS Wasp HAS.1 XS567 as /470-AP until at least Oct 1983 | |
| 1980-dec | Deployment | F70 HMS Apollo Armilla Patrol deployed to Middle East for Armilla Patrol, with HMS Ardent, supported by RFA Tidepool and RFA Fort Austin. Relieved on station by HMS Rothesay. | |
| 1981 | Refit | F16 HMS Diomede Seawolf conversion cancelled by 1981 Defence Review | |
| 1981-jan-20 | Deployment | F70 HMS Apollo Towed ditched 824 NAS Sea King HAS.2A XV665 to RFA Fort Austin for recovery. | |
| 1981-mar | Deployment | F72 HMS Ariadne deployment to Caribbean and West Indies. | |
| 1982-jun-18 | Deployment | F70 HMS Apollo Departed HMNB Devonport for South Atlantic, with 829 NAS 041 Flt Wasp HAS.1 XS567 / 470 embarked. Returned 17 Oct, in poor condition. | |
| 1982-jun-20 | Deployment | F69 HMS Bacchante Departed Gibraltar for 3 month South Atlantic deployment with 829 NAS 052 Flt Wasp HAS.1 XS538 / 425 embarked. | |
| 1982-jun-22 | Deployment | F16 HMS Diomede Departed UK for South Atlantic with 829 NAS 021 Flt Wasp HAS.1 XV634 / 423 embarked. | |
| 1982-oct-1 | Decommissioned | F69 HMS Bacchante | |
| 1982-oct-1 | Fate: transfered | F69 HMS Bacchante to New Zealand as HMNZS Wellington | |
| 1982-nov-8 | Deployment | F72 HMS Ariadne Departed HMNB Devonport for Falkland islands with 829 NAS 023 Flt Wasp HAS.1 XT426 / 455 embarked. Transit at least part way in company with HMS Antrim. Returned on 25 Mar 1983. | |
| 1983 | Deployment | F72 HMS Ariadne Gibraltar guardship duties | |
| 1983-sep-6 | Aircraft | F70 HMS Apollo Wasp HAS.1 XT427/606 from 829 Sq HQ Flt ditched shortly after take off from flight deck in the English Channel near Portland, following a power loss. Airframe recovered. | |
| 1983-oct | Aircraft | F70 HMS Apollo Assigned 829 NAS Wasp HAS.1 XT783 as /470 | |
| 1983-dec-2 | Deployment | F12 HMS Achilles Operation Offcut while returning from an Armilla Patrol deployment, ordered off Cyprus in readiness to sail to Beirut, if required. | |
| 1984-mar-12 | Deployment | F72 HMS Ariadne Acted as Belize Guardship from Mar 84 returning in Jun after 3 month deployment. | |
| 1985-dec | Port Visit | F16 HMS Diomede Visited Bermuda | |
| 1986-jan | Deployment | F72 HMS Ariadne Operation Eschew sent to Turks and Caicos Islands (as West Indies Guardship) during period of civil unrest. | |
| 1987 | Deployment | F72 HMS Ariadne Armilla Patrol deployed at short notice | |
| 1987-aug | Aircraft | F16 HMS Diomede assigned 829 Sq Wasp HAS.1 XT437 as Diomede Flt/423 in Aug 1987 until c Feb 1988 | |
| 1988 | Refit | F72 HMS Ariadne major refit until Apr 1989, to become Dartmouth Training Ship | |
| 1988-may-31 | Decommissioned | F16 HMS Diomede | |
| 1988-jul | Fate: transfered | F16 HMS Diomede to Pakistan as Shamsher (263) | |
| 1988-aug-31 | Decommissioned | F70 HMS Apollo | |
| 1988-oct | Fate: transfered | F70 HMS Apollo to Pakistan as Zulfiquar (262) | |
| 1989-jul | Deployment | F72 HMS Ariadne short post-refit deployment to Mediterranean, returned Nov 1989 | |
| 1990-jan-15 | Deployment | F72 HMS Ariadne departed for a 6 month round the world Endeavour 90 training cruise, escorting HMS Bristol (flagship) and in company with HMS Minerva, as part of the Dartmouth Training Squadron. Returned to HMNB Portsmouth on 13 Jul. | |
| 1990-mar-27 | Decommissioned | F12 HMS Achilles | |
| 1990-sep | Fate: transfered | F12 HMS Achilles to Chile as Ministro Zenteno (08) | |
| 1992 | Fate: transfered | F72 HMS Ariadne to Chile as General Baquedano | |
| 1992-may-31 | Decommissioned | F72 HMS Ariadne | |
| 2009 | | F70 HMS Apollo HMS Apollo wasp now at Duxford imperial war museum | |
|
Nilgiri class
Leander class 
Royal New Zealand Navy F69 HMNZS Wellington 
Chilean Navy PFG-08 Ministro Zenteno 
