T/V KEYSTONE CANYON; Central California

Central California | 1990-Dec-04

Initial Notification: On Sunday, December 2, 1990, 100 miles off Puget Sound, Washington, the tanker vessel KEYSTONE CANYON, carrying 859,000 barrels of Alaska North Slope crude oil, discovered a 20-foot vertical hull fracture near her #3 segregated ballast tank. No oil had spilled and immediate measures were taken to reduce flooding and dewater the tank. The captain of the ship reported the fracture to the U.S. Coast Guard Marine Safety Office (MSO), San Francisco on December 3. The KEYSTONE CANYON planned to rendezvous with a salvage/diving tug and a lightering tanker 120 miles off San Francisco. USCG district 11.