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| 1971-nov | Ordered |  A385 RFA Fort Grange | |
| 1971-nov | Ordered | A386 RFA Fort Austin | |
| 1973-nov-9 | Laid down | A385 RFA Fort Grange Yard No 737 | |
| 1975-dec-9 | Laid down | A386 RFA Fort Austin Yard No 738 | |
| 1976-dec-9 | Launched | A385 RFA Fort Grange as RFA Fort Grange | |
| 1978-feb | Aircraft | A385 RFA Fort Grange 1st RFA ship to be assigned Sea King HAS.1. 706 Sq XV714 as Fort Grange Flt / 343-FG until c Sep 1978. | |
| 1978-mar-8 | Launched | A386 RFA Fort Austin | |
| 1978-apr-6 | Commissioned | A385 RFA Fort Grange | |
| 1978-apr-15 | Homeport | A385 RFA Fort Grange Devonport, Plymouth | |
| 1978-nov-13 | Aircraft | A385 RFA Fort Grange Sea King XV666 | |
| 1979-may-11 | Commissioned | A386 RFA Fort Austin | |
| 1979-jul-12 | Homeport | A386 RFA Fort Austin arrived HMNB Devonport, Plymouth | |
| 1980-dec | Deployment | A386 RFA Fort Austin  Armilla Patrol with RFA Tidepool, supported deployment to Middle East for Armilla Patrol, with HMS Ardent and HMS Apollo. | |
| 1981-jan-20 | Deployment | A386 RFA Fort Austin Recovered ditched 824 NAS Sea King HAS.2A XV665 by crane, after being towed to the ship by HMS Apollo. | |
| 1981-mar | Deployment | A385 RFA Fort Grange Armilla Patrol deployed on Armilla Patrol with HMS Rothesay, HMS Newcastle and RFA Olna. | |
| 1982-mar-29 | Deployment | A386 RFA Fort Austin Operation Corporate Departed Gibraltar from exercise for the South Atlantic, initially to support HMS Endurance. Left theatre 7 Jun 1982. | |
| 1982-may-14 | Deployment | A385 RFA Fort Grange Operation Corporate Departed HMNB Devonport (while still named RFA Fort Grange) for South Atlantic with 824 Squadron C Flt embarked (XV697, XV698 and the recently transferred XV672, from 706 NAS). She left theatre on 17 Sep and disembarked the Flight to RNAS Culdrose on 2 Oct before returning on 3 Oct 1982. | |
| 1982-jul-11 | Aircraft | A385 RFA Fort Grange accident Sea King XV698 | |
| 1982-nov-19 | | A385 RFA Fort Grange Departed HMNB Devonport, embarked 4x 826 NAS Sea King and sailed for South Atlantic arriving 31 Dec. Returned to UK 24 Jun 1983. | |
| 1983-feb | Deployment | A386 RFA Fort Austin Atlantic Patrol Task (South) on Atlantic Patrol Task (South) in support of Royal Navy presence, until Dec 1983. | |
| 1984-jun | Deployment | A386 RFA Fort Austin Departed Ascension Island for UK with 845 NAS Wessex HU.5 XT455 / YU embarked | |
| 1986-apr-13 | Aircraft | A385 RFA Fort Grange Embarked 3 Sea Kings of recently formed 814 NAS A Flt for initial operations of GLOBAL 86 deployment and in support of the RIMPAC 86 exercise. Dismbarked at end of Jul 1986 in Singapore. | |
| 1986-oct-2 | Port Visit | A385 RFA Fort Grange visited Sydney Harbour | |
| 1988-jun-2 | Deployment | A386 RFA Fort Austin visit to Rockall by embarked Sea Kings of 820 NAS | |
| 1988-sep-26 | Port Visit | A385 RFA Fort Grange Fleet Review: Australia Bi-centennial Naval Salute to Sydney for Australian Bi-centennial Fleet Review | |
| 1989-jun-5 | Aircraft | A386 RFA Fort Austin 826 NAS Sea King XV699 / 134 departed ship for RNAS Culdrose but conducted emergency landing at Pont Henri, nr Llanelli. | |
| 1990-apr-18 | Deployment | A385 RFA Fort Grange departed Portsmouth for 10 week western North Atlantic deployment supporting TG 318.1, with HMS Ark Royal (flagship), HMS Glasgow, HMS Brave and HMS Cumberland and RFA Olna. | |
| 1991-apr-23 | Deployment | A385 RFA Fort Grange Bangladesh Cyclone relief In Bay of Bengal for Cyclone relief operations, 826 NAS D Flt embarked. | |
| 1991-jun-7 | Aircraft | A386 RFA Fort Austin embarked 826 NAS D Flt from RFA Fort Grange, until Aug 1991. | |
| 1993-jan | Deployment | A385 RFA Fort Grange UNPROFOR operated with 4 Sea King HAS.6 of 820 NAS in support of HMS Ark Royal off Bosnia, with RFA Olwen until Jul 1993. | |
| 1996-aug | Deployment | A385 RFA Fort Grange departed from HMNB Portsmouth at end Aug 1996 supporting HMS Invincible and HMS Sheffield for exercises in Mediterranean and Persian Gulf (from Nov) before returning to Portsmouth during Dec. | |
| 1997-apr | Deployment | A385 RFA Fort Grange SFOR (stabilisation force) Off Splyt, Croatia as part of UN SFOR until Jan 2000. | |
| 2000-may | | A385 RFA Fort Grange renamed from RFA Fort Grange to RFA Fort Rosalie | |
| 2000-may | Deployment | A385 RFA Fort Rosalie to Gibraltar to support HM Submarine Tireless, returning to HMNB Devonport on 16 May 2001. | |
| 2000-may | Deployment | A386 RFA Fort Austin Operation Palliser ordered off Freetown, Sierra Leone to support Operation Palliser. | |
| 2003-jan-15 | Deployment | A386 RFA Fort Austin Operation Telic departed UK for Arabian Gulf in support of 2nd Gulf War operations. Embarked 4 Sea King of 820 NAS. Returned to the Clyde on 29 May 2003. | |
| 2003-jan-15 | Deployment | A385 RFA Fort Rosalie Operation Telic departed HMNB Devonport to support combat operations in Iraq. Commenced in theatre on 9 Feb, completing 28 May 2003. | |
| 2006-oct-11 | Deployment | A386 RFA Fort Austin Operation Vela (Green Eagle) in support of Exercise Green Eagle phase of Operation Vela, off Sierra Leone | |
| 2007-feb | Deployment | A386 RFA Fort Austin support ship for CTF 158 in northern Arabian Gulf | |
| 2008-may | Refit | A385 RFA Fort Rosalie Refit at Birkenhead until 2009 | |
| 2008-oct-4 | Deployment | A386 RFA Fort Austin Exercise Joint Warrior 08-2 participated in bi-annual multi-national exercise off Scottish coast, until 17 Oct | |
| 2008-oct-25 | Port Visit | A386 RFA Fort Austin 3 day visit to Douglas, Isle of Man. | |
| 2009-jul-14 | | A386 RFA Fort Austin to HMNB Portsmouth for planned period of extended lay-up. | |
| 2009-jul-14 | Port Visit | A385 RFA Fort Rosalie visit to Cherbourg for Bastille Day celebrations | |
| 2010-aug-10 | | A385 RFA Fort Rosalie Fleet Review: 500 years anniversary of RDN . | |
| 2011-apr | Deployment | A385 RFA Fort Rosalie Operation Unified Protector supported the contribution to the international forces and the UK Response Force Task Group with ammunition and stores. On 11 Jun, delivered Apache AH.1 ZJ179 from Cyprus to HMS Ocean, off Libya. | |
| 2011-may-27 | Refit | A386 RFA Fort Austin departed HMNB Portsmouth under tow for refit at Cammell Laird Dry Dock No.5, on Merseyside. | |
| 2012-feb-2 | Port Visit | A385 RFA Fort Rosalie in Caribbean as Atlantic Patrol Task (North) and arrived off Cayman Islands in early Feb 2012 for 4 day visit. | |
| 2012-feb-6 | Port Visit | A385 RFA Fort Rosalie 4 day visit to Veracruz, Mexico | |
| 2012-jun-8 | Port Visit | A385 RFA Fort Rosalie visited Havana, Cuba as part of British Culture Week (8-16 Jun 2012) | |
| 2012-dec | | A386 RFA Fort Austin returned to the fleet after 3 years in reserve and a regeneration refit at Birkenhead | |
| 2013-jan-7 | Refit | A385 RFA Fort Rosalie arrived Cammell Laird, Birkenhead, (after de-storing at Glenmallan on 3 Jan) for 5 month refit. Sailed from Birkenhead on 19 Oct. | |
| 2013-jul | | A386 RFA Fort Austin equipment fit at Crombie, pre-deployment | |
| 2013-aug | Deployment | A386 RFA Fort Austin Cougar 13 departed UK for Middle East support duties as part of Ex Cougar 13. Relieved RFA Fort Victoria on station on 18 Oct to take over her role with CTF-151. | |
| 2014-may | Aircraft | A386 RFA Fort Austin embarked 857 NAS for Force Protection of the Coalition Task Force operating in the Persian Gulf, until Dec 2014. | |
| 2014-nov-7 | Deployment | A386 RFA Fort Austin International Mine Counter Measures Exercise 2014 participated in major multi-national Gulf exercise, together with a number of UK warships and MCM vessels. | |
| 2014-dec | Aircraft | A386 RFA Fort Austin embarked Sea King ASaC.7 from Normandy Flt of 849 NAS (relieving 857 NAS) for Force Protection of the Coalition Task Force operating in the Persian Gulf. | |
| 2016-jul-12 | Port Visit | A385 RFA Fort Rosalie to Cork, for Cork Week | |
| 2017-apr | | A386 RFA Fort Austin crossed the Mersey to tie up at Birkenhead | |
| 2017-aug-15 | Refit | A386 RFA Fort Austin damaged by fire during refit at Birkenhead. No injuries, but future not looking good. Still present Sep 2020. | |
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A385 RFA Fort Rosalie 
