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T/V UNIVERSAL MONARCH; Southwest Pass, Mississippi River

Southwest Pass, Mississippi River | 1989-Sep-25

Initial Notification: At midnight on September 25, 1989, the tanker UNIVERSAL MONARCH ran hard aground just after entering the Southwest Pass of the Mississippi River. The MONARCH, a single-hull vessel under Panamanian flag, was loaded with 515,000 barrels of Venezuelan heavy crude and was en route to a refinery in Chalmette, Louisiana. Six tugboats tried unsuccessfully to pull her free. Early morning U.S. Coast Guard overflights noted no leakage from the vessel. USCG district 8.

Incident Details
Products of concern:Venezuelan heavy crude
Total amount at risk of spill: 21,600,000 gallons
Latitude (approximate): 29° 46.14′ North
Longitude (approximate): 90° 1.13′ West