| C/N | Version | Built | History |
61-179  | | |  12401 : ex 4001. One of 6 CH-124B updated with HELTAS to CH-124B-2 standard. Crashed on take-off from HMCS Iroquois (DDH-280), back onto the flight deck during an emergency recovery, after a single engine failure, on 27 Feb 2003. Rolled onto its starboard side, spilling its fuel tanks, plus 2200 rounds of 7.62mm ammunition. Ship was 100km south east of Halifax NS, en route to the Arabian Sea for Operation Apollo. She returned to Halifax where the airframe was recovered by crane. 
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| 61-234 | | | 12409 : ex 4009. CH-124A. Crashed 4 Nov 1987 near CFB Shearwater. Recovered and became ground instruction airframe 910B at CFB Borden.
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| 61-249 | | | 12411 : CH-124A. Crashed 19 Sep 1989 into the Atlantic off Bermuda. Recovered and became ground instruction airframe at CFB Shearwater.
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| 61-269 | | 1965 |  G-ATBJ : Registered 12 Mar 1965. Heavy landing at Aberdeen on 26 Aug 1998, after one of the tail rotor control cables separated and sent airframe into a right yaw near touchdown. Seen flying from Penzance with British International in Aug 2004.
61-269 : At Penzance Heliport December 2004
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| 61-270 | | 1965 | G-ATFM : ex. CF-OKY. Registered G-ATFM 21 Jun 1965.
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| 61-285 | | | 12419 : ex 4019. Became 12419. Upgrade to Mk2 standard. Sustained serious damage on 27 Aug 2003, while serving with 443 Squadron.
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| 61-393 | | 1966 | XV370 : Built as SH-3D. Shipped to Avonmouth (UK), reassembled and flown to Yeovil as G-ATYU on 11 Oct 1966. Became XV370.
XV370 : wfu Aug 1989 to Instructional Airframe A2771. Became A2682 to AESS Gosport (HMS Sultan).
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| 61-394 | | 1966 | XV371 : Built as Sikorsky Sea King HAS.1 used as trials airframe.
XV371 : dd 22 May 1972 for trials. wfu 31 Mar 1995. Became instructional airframe A2699 to AESS Gosport (HMS Sultan).
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| 61-395 | | 1966 | XV372 : Built as Sikorsky Sea King HAS.1. Used as pattern airframe for Westland production line at Yeovil.
XV372 : w/o 15 Jan 1969 near West Harptree, Somerset when both engines stopped in bad weather, following ice ingestion while operating with Rolls Royce. to Ground Instruction rig at RAF St.Mawgan by Dec 1998. Reported scrapped in Trowbridge, Wilts.
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| 61-396 | | 1966 | XV373 : Built as Sikorsky Sea King HAS.1. Used as trials airframe.
XV373 : wfu 1986, to Pendine Sands. Scrapped ?
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| 61-454 | | 1972 | G-BCEB : ex N4023S ? Reg G-BCEB 2 Oct 1974. Seen flying from Penzance Aug 2003.
61-454 : Normally based in Penzance. At Plymouth December 2004. Was originally built as a S61L , so it has passnger door at the front behind the cockpit, and also has 5 under floor holds accessed on the port side, seating up to 30 pax.
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| 61-476 | | 1970 | G-AYOY : Reg G-AYOY 07 Jan 1971. During an inspection on 5 Nov 1990, starboard aft transmission support discovered cracked.Seen flying from Penzance with British International, Aug 2003.
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| 61-712 | | 1974 | G-BBHL : ex N4032S. Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2003 was based at Stornoway in the Hebrides.
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| 61-713 | | 1973 | G-BBHM : Accident report by the UK Air Accident Investigation Branch (PDF file)
G-BBHM : ex N4033S,G-BBHM, 8Q-HUM. Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2002 was based at Portland on the UK south coast, as the secondary SAR machine. Destroyed by a No.2 engine fire on 15 Jul 2002 following emergency landing at Royal Marines base at Poole.
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| 61-721 | | 1974 | G-BCEA : Registered 7 Jun 1974. Suffered repeated hammering vibrations from the main rotor due to salt build up, 23 Feb 1989.
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| 61-737 | | 1975 | G-BCLC : Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2003 was based at Sumburgh in the Shetland Islands.
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| 61-751 | | 1978 | G-BDIJ : ex G-BDIJ, then 9M-AYF, to G-BDIJ. Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2003 was based at Lee-on-Solent. Carries the name 'Crathes'. Completed its 4000th rescue on 1 Sep 2006. It is due to be retired in 2007.
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| 61-752 | | 1974 | G-BIMU : S-61N Mk.II. ex N4042S, then VH-CRU, N4042S, VH-CRU, N8511Z, to G-BIMU. Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. Main rotor tips damaged by striking rock face on 24 Aug 1997, during a rescue of two injured climbers on Stac Pollaidh, to the south of Inverpolly Forest. In 2003 was based at Stornoway in the Hebrides. Carries the name 'Stac Pollaidh'.
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| 61-765 | | 1978 | G-BDOC : Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2003 was based at Sumburgh in the Shetland Islands, as the primary SAR helicopter. Damaged main rotors during a winching operation to a ship near Sullom Voe on 15 Sep 2004 but recovered safely to Scatsta.
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| 61-777 | | 1978 | G-BFFJ : ex N6231? Reg G-BFFJ 17 Jan 1978. Seen flying from Penzance Aug 2003.
G-BFFJ : Involved in a ground accident 11 May 1989 at Sumburgh shortly after engine start when components of the gearbox feed failed.
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| 61-816 | | 1987 |  257 : Built as S-61N. To Helikopter Service AS, Stavangar as LN-OQU. To G-CBKZ Apr 2002, de-registered Oct 2002. To CHC Ireland as EI-CXS, who lease it to the Irish Air Corps as 257.
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| 61-822 | | 1987 | G-BPWB : ex EI-BHO, then G-BPWB, EI-BHO, to G-BPWB. Owned and maintained by Bristow Helicopters on behalf of HM Coastguard. In 2003 was based at Portland. Carries the name 'Portland Castle'.
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