She passed through a number of owners, being named Rio Tiete, Omsk, Calanda, and Flackwell at different stages in her career.

Knight Errant was built by Charles Connell and Company, Scotstoun and launched on 11 December 1897, being completed the following year.

She was renamed Rio Tiete in 1914 and spent part of the First World War under the British flag.

In early April 1942, Lancing was sailing from Curaçao to New York City, under the command of Master Bjerkholt, with a cargo of 8,900 tons of fuel oil.

The remainder of the crew abandoned ship as the Lancing sank off Buxton, Dare County, North Carolina.