Marine transportation safety investigation M16C0036
The occurrence
On 01 April 2016, the tug Ocean Uannaq, with two people on board, capsized and sank near the new Champlain Bridge on the St. Lawrence River off Montreal, Quebec. The tug was working with two other tugs to move a construction barge toward the shore. Both crew members were rescued. There were no injuries or pollution reported. The tug sustained major damage.