A UK ship accidentally grounds in coastal waters, and oil is subsequently seen on the water surface. What reports must be made?

(1) A standard Harmful Substances (HS) report to the nearest coast radio station or coastguard station, as described in MGN 242; (2) a report to the MAIB as described in MGN 458 and (3) a report to the owners or managers. The coastal State's law may require additional reports within its pollution control zone.