On 7/25/1976 , the vessel THOUSAND ISLANDER IV (Official Number 348020) was involved in a bottom contact in THOUSAND ISLANDS ONT GRINDSTONE IS OFF,.

The vessel, with 6 persons on board, experienced the incident while engaged in regular operations. There were 0 injuries and fatalities were reported, and there was pollution.

RETURNED TO HARBOUR UNASSISTED Note: formerly OccNo : 9708-25-1. Damage to the vessel was indicated as HOLED

Weather at the time was reported as clear with winds from the NE at 12.00 knots. This incident was officially recorded by Transport Canada on 9/20/1976 .