sentences:  Other locations, including Stornoway, Lee-on-Solent, and Portland, would also be operated by Bristow on behalf of MCA.Over the years, Bristow's SAR units have responded to multiple incidents, including rescue efforts in the recovery of survivors of the Piper Alpha disaster.During the early 1970s, the backbone of Bristow's fleet consisted of the Westland Wessex, Westland Whirlwind, and Bell 206, along with a handful of other types, including several fixed-wing Britten-Norman BN-2 Islanders.