HMCG Securite message. RIB with engine failure. 50 34.46’N – 003 19.34’W. Vessel offered tow. NCI observed RIB on CCTV and observed tow. NCI contacted HMCG with this information. CG confirmed contact with towing vessel. NCI monitoring with intermittent CCTV availability. RIB under tow passed NCI lookout.