ANCHORAGE, Alaska (AP) — The Coast Guard will kick off hearings Monday on how a Royal Dutch Shell PLC drill barge used for Arctic Ocean exploratory drilling ended up aground off a remote Alaska island.

The Kulluk was under tow and bound from the Aleutian Islands’ Dutch Harbor to a Seattle shipyard when it ran into rough Gulf of Alaska water. It broke from its towing vessel, and after four days of futile attempted hookups, ran aground New Year’s Eve in shallow water off Sitkalidak Island, near Kodiak Island.