Squadron in 1992. 42 Squadron – 1971–2010, converted to the MR.1 from the Shackleton MR.3 at RAF St Mawgan, England in 1971, converted to the MR.2 1983–84, withdrawn as an operational squadron in 1992 it became the Operational Conversion Unit for the Nimrod at RAF Kinloss. The squadron MR.2 aircraft were withdrawn in 2010 and the squadron prepared to train crews for the MRA.4, following the decision to scrap the MRA.4 the squadron disbanded in 2011. 51 Squadron – 1971–2011, R.1s added to fleet in 1971 at RAF Wyton, England to supplement the Comet C.2(R) which were withdrawn in 1975. Moved to RAF Waddington in 1995, the R.1s were the last flying Nimrods when they were withdrawn in 2011. 120 Squadron – 1970–2010, converted to MR.1 from the Shackleton MR.3 at RAF Kinloss, Scotland in 1970, converted to the MR.2 1981–82, disbanded in 2010 following the withdrawal of the MR.2 from service. 201 Squadron – 1970–2010, converted to MR.1 from the Shackleton MR.3 at RAF Kinloss, Scotland in 1970, converted to the MR.2 1982–83, disbanded in 2010 following the withdrawal of the MR.2 from service. 203 Squadron – 1971–1977, converted to MR.1 from the Shackleton MR.3 at RAF Luqa, Malta in 1971, disbanded in 1977 following the decision to withdraw British forces from Malta. 206 Squadron – 1971–2005, converted to MR.1 from the Shackleton MR.3 at RAF Kinloss, Scotland in 1970, converted to MR.2 1980–81, disbanded in 2005. Nimrod AEW Joint Trials Unit – 1984–1987, trials unit for the AEW.3 based at RAF Waddington. Aircraft on display MR2 XV226 – Bruntingthorpe Aerodrome XV231 – Manchester Airport aviation viewing park XV232 – Coventry airport XV244 – Morayvia. XV250 – Yorkshire Air Museum XV255 – City of Norwich Aviation Museum R1 XV249 – RAF Museum Cosford XW664 – East Midlands Aeropark Accidents and incidents Five Nimrods were lost in accidents during the type's service with the RAF: On 17 November 1980, a Nimrod MR2 XV256 crashed near RAF Kinloss after three engines failed following multiple birdstrikes. Both pilots were killed but the remaining crew survived. On 3 June 1984, a Nimrod MR2 XV257 stationed at RAF St Mawgan suffered extensive damage when a reconnaissance flare ignited in the bomb bay during flight. The aircraft successfully returned to base but was subsequently written-off due to fire damage. There were no casualties. On 16 May 1995, a Nimrod R1 XW666 ditched in the Moray