Since his failure at Pulo Aura, Linois had been cruising the Indian Ocean, and during August and September 1804 had seized a number of valuable merchant ships as his squadron travelled north from Ceylon along the Indian coast of the Bay of Bengal. From a ship captured off Masulipatam, Linois learned of the presence of the East Indiamen at Vizagapatam and determined to attack, unaware that British Rear-Admiral Peter Rainier had replaced the small frigate HMS Wilhelmina with the larger Centurion as the convoy's escort. Arriving off the port at 06:00, Linois advanced on the convoy, causing one of the East Indiamen to drive ashore in panic. The other merchant vessel failed to support the outnumbered Centurion and was captured, but Centurion continued fighting alone. Initially supported by the