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| 1955 | Laid down |  A171 HMS Endurance as mv Anita Dan | |
| 1956-may | Launched | A171 HMS Endurance as mv Anita Dan for Lauritzen Lines | |
| 1967-dec | Refit | A171 HMS Endurance purchased by UK and into 11 month refit for Antarctic support operations and installation of a flight deck in Belfast until Oct 1968. | |
| 1968-jun-27 | Commissioned | A171 HMS Endurance by Royal Navy as Antarctic Support & Ice Patrol ship. Also known as the Red Plum. | |
| 1974-jun-3 | Refit | A171 HMS Endurance Refit at HMD Portsmouth, until 9 Sep 1974. Both Endurance Flight Whirlwind HAR.9s were disembarked at HMS Daedalus for the duration, re-embarking on 20 Sep. | |
| 1974-oct-3 | Deployment | A171 HMS Endurance departed HMNB Portsmouth for 5 month deployment to the Antarctic, to be based locally at Port Stanley. Returned to Portsmouth on 20 Mar 1975. | |
| 1974-oct-13 | Port Visit | A171 HMS Endurance visited Dakar for 4 days, en route South Atlantic, departing 16 Oct. | |
| 1975-feb-19 | Port Visit | A171 HMS Endurance visit to Buenos Aires, until 24 Feb on northbound leg of deployment. | |
| 1976-oct | Deployment | A171 HMS Endurance departed HMNB Portsmouth for 7 month Antarctic support deployment. Returned to Portsmouth 23 May 1977. | |
| 1978 | Refit | A171 HMS Endurance satellite communications systems added during refit at Chatham. | |
| 1981-oct-13 | Deployment | A171 HMS Endurance Departed HMNB Portsmouth for South Atlantic patrol. | |
| 1981-dec-13 | Deployment | A171 HMS Endurance while operating from the ship Endurance Flt Wasp HAS.1 XT418/435-E, rolled over following beach landing just to the west of the ships positon off South Georgia. | |
| 1982-mar-21 | Deployment | A171 HMS Endurance  Operation Corporate ordered from her South Atlantic patrol station to South Georgia 21 Mar 1982, leaving theatre on 23 Jul, returning to Chatham on 20 Aug 1982. | |
| 1982-apr-14 | Deployment | A171 HMS Endurance Operation Paraquat Joined HMS Antrim, HMS Plymouth and RFA Tidespring for recovery of South Georgia. | |
| 1982-jun-17 | Aircraft | A171 HMS Endurance embarked 848 Sq A Flt Wessex HU.5 XS486/WW from RFA Regent in preparation for Operation Keyhole. Returned to RFA Regent on 24 Jun. | |
| 1982-jun-18 | Deployment | A171 HMS Endurance Operation Keyhole ordered to South Thule, in company with HMS Yarmouth and supported by RFA Olmeda for its recovery. | |
| 1985-may | Port Visit | A171 HMS Endurance Visited Bermuda | |
| 1991 | Decommissioned | A171 HMS Endurance During the Antarctic Summer of 1991/1992, the mv Polar Circle was chartered for Ice Patrol duties. | |
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Lurssen (Kroeger Werft) - Audorfer See
