en.wikipedia.org/wiki/Sandettie_Light_Vessel_Automatic ( http://en.wikipedia.org/wiki/Sandettie_Light_Vessel_Automatic ) www.trinityhouse.co.uk/mariner_info/notice_to_mariners/c/... ( http://www.trinityhouse.co.uk/mariner_info/notice_to_mariners/c/11012012.html )
