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 |