Ironically enough Jim see extract below from AIN online from June 2009.
A third team, UK Air Rescue, formed initially by Bristow Helicopters, Serco and FB Heliservices and joined subsequently by AgustaWestland, withdrew last year, citing unspecified commercial reasons for bowing out. It had been expected to offer the AW101, probably in combination with a smaller type, but the other bidders’ selection of a single helicopter suggests the option of a mixed fleet might have been ruled out by the Maritime and Coastguard Agency (MCA) and Ministry of Defence, which are managing the SAR-H program.