 As of 2006 , up to 12 <unk> / 3As were dispersed across the UK , a further two <unk> were attached to the Falkland Islands , providing 24 @-@ hour rescue coverage . Some Royal Navy HAS5 ASW variants were adapted for the SAR role and served with 771 Naval Air Squadron , Culdrose and HMS Gannet SAR Flight at Prestwick Airport in Scotland . As of 2009 , they are expected to remain in service until 2016 , being replaced with civilian operated SAR rotorcraft . Both Prince Andrew , Duke of York and Prince William , Duke of Cambridge have flown SAR Sea Kings in front @-@ line roles . 
