On 6/2/2001 1, the vessel CHIEF SHINGWAUK (Official Number 318421) was involved in a total failure of any machinery or technical system in MCARTHUR LOCK, SUALT ST. MARIE, MICHIGAN, USA,.

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 June 2001, at approx 1305, while in the McArthur Lock, Sault St. Marie , Michigan, the crew of the "CHIEF SHINGWAUK" discovered that the sea water cooling valves had been left shut. The engines overheated and were briefly unuseable.. Damage to the vessel was indicated as MINOR

Weather at the time was reported as clear with winds from the E at 5.00 knots. This incident was officially recorded by Transport Canada on 10/11/2001.