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| 1963-jan-24 | Ordered |  A486 RFA Regent | |
| 1963-jan-24 | Ordered | A480 RFA Resource | |
| 1964-jul-19 | Laid down | A480 RFA Resource | |
| 1964-sep-4 | Laid down | A486 RFA Regent Yard No. 1658 | |
| 1966-feb-11 | Launched | A480 RFA Resource | |
| 1966-mar-9 | Launched | A486 RFA Regent | |
| 1967-mar | Aircraft | A486 RFA Regent assigned to 707 Squadron
assigned 707 Sq Wessex HU.5 XT480 / 468-RG as Ships Flight, based at RNAS Culdrose (until May 1972) when not embarked, then at RNAS Yeovilton. | |
| 1967-may-16 | Commissioned | A480 RFA Resource | |
| 1967-jun-6 | Commissioned | A486 RFA Regent | |
| 1967-aug-26 | Deployment | A486 RFA Regent present at Plymouth Navy Days 1967 | |
| 1967-oct-6 | Aircraft | A486 RFA Regent Wessex HU.5 XS499 embarked for c 10 days arctic trials | |
| 1968-sep-20 | Deployment | A486 RFA Regent  Exercise Coral Sands participated in Exercise Coral Sands, until 13 Oct. | |
| 1968-oct-16 | Port Visit | A486 RFA Regent visited Hobart, following Exercise Coral Sands, until 22 Oct. | |
| 1969-jul-26 | Deployment | A480 RFA Resource Fleet Review: Ships of the Western Fleet Present at Ships of the Western Fleet review in Torbay. | |
| 1970-nov-19 | Deployment | A480 RFA Resource Operation Burlap to Bay of Bengal to assist in Bhola Cyclone relief efforts | |
| 1973-jun-8 | Deployment | A486 RFA Regent departed HMNB Portsmouth as support for HMS Tiger, Flagship for Far East group deployment of Task Group 317.1, in company with RFA Tidespring. The group was escorted by HMS Dido, HMS Hermione and HMS Rhyl, until it returned to the UK on 21 Dec 1973. | |
| 1974-jul | Deployment | A486 RFA Regent Partition of Cyprus part of Task Force support to Eastern Mediterranean during Cyprus emergency | |
| 1977-jun-25 | Deployment | A480 RFA Resource Fleet Review: Silver Jubilee of HM The Queen Present at Silver Jubilee Fleet Review. | |
| 1977-sep-5 | Deployment | A486 RFA Regent 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 Tarbatness and RFA Tidepool. Returned 20 Apr 1978. | |
| 1977-nov-25 | Deployment | A480 RFA Resource Operation Journeyman stood back from the Falklands in support of HMS Phoebe and HMS Alacrity. 772 NAS Wessex embarked. | |
| 1979-may-8 | Deployment | A486 RFA Regent departed HMNB Portsmouth supporting HMS Norfolk, Flagship of Task Group 317.8 for a 6.5 month Indian Ocean and Far East group deployment in company with HMS Achilles, HMS Arethusa, HMS Falmouth, RFA Black Rover and RFA Olmeda. This group joined with the Devonport group of HMS Arrow and HMS Dido, returned to Portsmouth on 14 Dec 1978. | |
| 1982-apr-6 | Deployment | A480 RFA Resource Operation Corporate Departed HMNB Rosyth for South Atlantic with 845 Squadron A Flt embarked, leaving theatre on 27 Jun 1982. | |
| 1982-apr-17 | Deployment | A486 RFA Regent Operation Corporate Departed Portland Harbour, via Plymouth for South Atlantic with 848 Squadron A Flt (XS486/WW & XT756/WM) embarked (on 19 Apr), leaving theatre on 24 Aug and returning to Rosyth on 15 Sep 1982. | |
| 1991 | | A480 RFA Resource Placed in reserve at Rosyth | |
| 1991-jan-10 | Deployment | A486 RFA Regent departed HMNB Portsmouth in support of HMS Ark Royal leading TG 323.2 to eastern Mediterranean. | |
| 1992-oct | Struck | A486 RFA Regent Removed from service and laid up in Devonport | |
| 1993 | Decommissioned | A486 RFA Regent | |
| 1993 | Deployment | A480 RFA Resource UNPROFOR Reactivated in 1993 in support of UNPROFOR in the Adriatic area. | |
| 1993-jan-21 | Fate: transfered | A486 RFA Regent Sailed from Devonport under new name Shahzadelal for India | |
| 1993-feb-19 | Fate: scrapped | A486 RFA Regent Arrived at Alang, to be scrapped | |
| 1994 | Refit | A480 RFA Resource | |
| 1995 | Deployment | A480 RFA Resource UNPROFOR Returned to Splyt in Croatia and remained deployed until withdrawn from service in May 1997. | |
| 1997 | Decommissioned | A480 RFA Resource | |
| 1997-aug-20 | Fate: scrapped | A480 RFA Resource Arrived in India for scrapping | |
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