MV Manifa (formerly MV Sirius Star) is an oil tanker formally owned and operated by Vela International Marine. With a length overall of 330 m (1,080 ft) and a capacity of 2. 2 million barrels (350,000 m3) of crude oil, she is classified as a very large crude carrier or VLCC. Vela is based in the United Arab Emirates and is a subsidiary of the Saudi Arabian state oil company Saudi Aramco. Sirius Star is one of Vela's 24 tankers, of which 19 are VLCCs. Since her launch, the ship has been registered in Monrovia under the Liberian flag of convenience.