On 6/3/1981 1, the vessel NORMAC (Official Number 154621) was involved in a collision - struck by vessel in INLAND-LAKE ONTARIO-TORONTO INNER HARBOUR,.

The vessel, with 40 persons on board, experienced the incident while engaged in regular operations. There were 2 injuries but no fatalities were reported, and there was pollution.

VESSEL STRUCK TOUR BOATS AND NORMAC,BEING UNABLE TO STOP. Note: formerly OccNo : 500-21-402. Damage to the vessel was indicated as MAJOR

Weather at the time was reported as clear with winds from the S at 5.00 knots. This incident was officially recorded by Transport Canada on 11/19/1981.