On 8/21/1989 , the vessel PORTHEUS (Official Number 347893) was involved in a grounding - under power (non-intentional) in OFF STEVESTON JETTY, FRASER RIVER, B.C.,.

The vessel, with 3 persons on board, experienced the incident while engaged in regular operations. There were 0 injuries and fatalities were reported, and there was pollution.

VSL GROUNDED ON A ROCK WHILE SHE WAS AVOIDING NETS IN THE CHANNEL Note: formerly OccNo : 9708-5-89. Damage to the vessel was indicated as MINOR

Weather at the time was reported as rain with winds from the SW at 10.00 knots. This incident was officially recorded by Transport Canada on 10/5/1989 .