Washington State Ferries announced the results of the investigation into the Cathlamet incident at Mukilteo on June 1st. At approximately 5:44 a.m. that morning, the Washington State Ferry MV Cathlamet, sailing from Clinton (on Whidbey island) to Mukilteo hit the north wingwall at over seven knots, causing $139,000 damage to the ferry and over $1 million in needed terminal repairs.
Port Captain Mark McElwaine, lead investigator into the incident, conducted extensive research interviews with crew members and reviewed GPS Tracking of the Cathlamet incident.