On 10/2/2006 , the vessel ST. MARYS CEMENT (Official Number 8225140) was involved in a not involved in LOCK 4, WELLAND CANAL, ON, ONTARIO (ON).

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

On 02 October 2006 during twilight at 0615 eastern daylight time, shortly after having cleared the exit of the lock, the downbound tug Petite Forte, pushing the barge St. Marys Cement, drifted backwards and struck the arrester cable in Lock 4 of the Welland Canal. The tug's mast and electronic navigation equipment were damaged. The shear pins and linkage for the lock's ship-arrester cable needed to be replaced.. Damage to the vessel was indicated as

Weather at the time was reported as overcast with winds from the SSW at 6.00 knots. This incident was officially recorded by Transport Canada on 10/3/2006 .