| 1964-dec-07 | Ordered | Ordered  A339 RFA Lyness | |
| 1964-dec-07 | Ordered | Ordered A344 RFA Stromness | |
| 1964-dec-07 | Ordered | Ordered A345 RFA Tarbatness | |
| 1965-apr-01 | Laid down | Laid down A339 RFA Lyness (Low Walker), Yard No. 2016 | |
| 1965-oct-05 | Laid down | Laid down A344 RFA Stromness (Low Walker), Yard No. 2017 | |
| 1966-apr-07 | Launched | Launched A339 RFA Lyness | |
| 1966-apr-15 | Laid down | Laid down A345 RFA Tarbatness (Low Walker), Yard No. 2018 | |
| 1966-sep-16 | Launched | Launched A344 RFA Stromness | |
| 1966-dec-22 | Commissioned | Commissioned A339 RFA Lyness to replace RFA Duquesne. | |
| 1967-feb-28 | Launched | Launched A345 RFA Tarbatness | |
| 1967-aug-10 | Commissioned | Commissioned A344 RFA Stromness | |
| 1967-aug-10 | Commissioned | Commissioned A345 RFA Tarbatness | |
| 1967-oct-09 | Deployment | Deployment A344 RFA Stromness visit from 78 Sq Wessex HC.2 XR500 for VERTREP, while off Aden. | |
| 1968-sep-10 | Deployment | Deployment A345 RFA Tarbatness Exercise Coral Sands participated in Exercise Coral Sands, until 13 Oct | |
| 1968-oct-14 | Port Visit | Port Visit A345 RFA Tarbatness visit to Newcastle, NSW, following Exercise Coral Sands, until 24 Oct. | |
| 1969-jul-26 | Deployment | Deployment A339 RFA Lyness Fleet Review: Ships of the Western Fleet Present at Ships of the Western Fleet review in Torbay. | |
| 1970-apr-17 | Deployment | Deployment A345 RFA Tarbatness Apollo XIII splashdown recovery to waters off Mauritius as standby for secondary splashdown site for Apollo XIII recovery | |
| 1970-aug-29 | Port Visit | Port Visit A339 RFA Lyness Ship open to visitors at Plymouth Navy Days 1970. | |
| 1970-nov | Deployment | Deployment A344 RFA Stromness Operation Burlap to Bay of Bengal to assist in Bhola Cyclone relief efforts | |
| 1970-dec | Aircraft | Aircraft A344 RFA Stromness Operation Epigram assigned Wessex HU.5 XT485/K-ST as detached flight until c Feb 1971. | |
| 1974-jan | Deployment | Deployment A345 RFA Tarbatness departed UK as support ship for 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 Ariadne, HMS Danae and HMS Londonderry. Returned to HMNB Devonport on 4 Oct. | |
| 1974-sep-17 | Deployment | Deployment A344 RFA Stromness departed HMNB Portsmouth to support Task Group 317.2 for Far East deployment, joining with HMS Achilles, HMS Diomede, HMS Falmouth, HMS Leander, HMS Lowestoft, RFA Green Rover, RFA Olna and HMS Blake, returned Jun 1975. | |
| 1975-apr-26 | Aircraft | Aircraft A339 RFA Lyness recovered Sea King HAS.1 XV652 as a precautionary landing. | |
| 1975-jul-22 | Deployment | Deployment A345 RFA Tarbatness departed UK as support for HMS Glamorgan, flagship of global Task Group 317.3, accompanied by RFA Gold Rover and RFA Tidespring. Escorted by elements of the 8th Frigate Squadron HMS Ajax, HMS Berwick, HMS Plymouth and HMS Rothesay. Returned 14 Apr 1976 | |
| 1976-aug-28 | Port Visit | Port Visit A339 RFA Lyness Ship open to visitors at Plymouth Navy Days 1976. | |
| 1977-jan-26 | Deployment | Deployment A345 RFA Tarbatness Left Portsmouth with RFA Tidepool and RFA Green Rover for an Atlantic deployment, supporting HMS Tiger and her escort group until May 1977. | |
| 1977-jun-25 | Deployment | Deployment A344 RFA Stromness Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review, off Hillhead | |
| 1977-sep-05 | Deployment | Deployment A345 RFA Tarbatness Departed HMNB Portsmouth for 7.5 month group deployment (TG 317.6) to Australia and Far East, supporting HMS Tiger and in company with HMS Rhyl, RFA Grey Rover, RFA Regent and RFA Tidepool. Returned 20 Apr 1978. | |
| 1978-may-31 | Deployment | Deployment A344 RFA Stromness departed HMNB Portsmouth supporting HMS Blake, Flagship of Task Group 317.7 for a 6.5 month Caribbean, Atlantic and Pacific group deployment in company with HMS Juno, RFA Green Rover and RFA Tidespring. This group joined with the Devonport group of HMS Ambuscade, HMS Hermione and HMS Leander, returned to UK 12 Dec 1978. | |
| 1980 | Decommissioned | Decommissioned A345 RFA Tarbatness | |
| 1981 | Decommissioned | Decommissioned A339 RFA Lyness | |
| 1981 | | A344 RFA Stromness disposed | |
| 1981-jan-18 | Fate: transfered | Fate: transfered A339 RFA Lyness to US Sealift Command as Sirius | |
| 1981-aug-29 | Port Visit | Port Visit A344 RFA Stromness Ship open to visitors at Plymouth Navy Days 1981 | |
| 1981-sep-30 | Fate: transfered | Fate: transfered A345 RFA Tarbatness to US Sealift Command as Spica | |
| 1982-apr | Deployment | Deployment A344 RFA Stromness Falklands/Malvinas War | |
| 1982-apr-07 | Deployment | Deployment A344 RFA Stromness Operation Corporate Departed HMNB Portsmouth for South Atlantic, joining with HMS Fearless en route and arriving in theatre 16 May. Departed end of Jun and arrived Portsmouth on 19 Jul 1982. | |
| 1982-apr-07 | Deployment | Deployment A344 RFA Stromness Operation Corporate Sailed with 45 Commando Royal Marines embarked | |
| 1983-jan-01 | Decommissioned | Decommissioned A344 RFA Stromness | |
| 1983-jan-01 | Fate: transfered | Fate: transfered A344 RFA Stromness to the US Sealift Command as Saturn | |
Sirius class
Aircraft