On 11/25/1994, the vessel DIAMOND STAR (Official Number 814363) was involved in a grounding - under power (non-intentional) in INSTALLATIONS ULTRAMAR, PORT DE QUEBEC,.

The vessel, with 15 persons on board, experienced the incident while engaged in regular operations. Fortunately, the ship was able to continue its voyage. No injuries or fatalities were reported, and there was none pollution.

This incident was officially recorded by Transport Canada on 2/9/1995 1. Weather at the time was reported as clear with winds from the SW at 5.00 knots.

During the manoeuvre to swing the tanker "DIAMOND STAR" around for an approach astern, port side to the inner berth at Ultramar oil refinery dock in Lévis, Quebec, the vessel grounded on the south shore approximately 125 m from the end of the dock. The vessel was under the conduct of a harbour pilot and assisted by a tug. The double-hulled tanker sustained minor damage, but there was no pollution as a result of this accident.