On 9 March 1995, Canadian officials from the Canadian Fisheries Patrol vessel "Cape Roger" boarded the Spanish fishing trawler "Estai" from Galicia in international waters off Canada's east coast baseline after firing three 50-caliber machine-gun bursts over its bow. They arrested the trawler's crew then forced the "Estai" to a Canadian harbour. Canada claimed that European Union factory ships were illegally overfishing Greenland halibut (also known as Greenland turbot) in the Northwest Atlantic Fisheries Organization (NAFO) regulated area on the Grand Banks of Newfoundland, just outside Canada's declared exclusive economic zone (EEZ).