Teekay Offshore has fallen to a fourth quarter loss of $286m as write-downs of the New York-listed company's fleet clobbered the bottom line.

The result, which compares to in a profit of $68m in the same period of 2018, helped deepen the outfit's annual loss to nearly $351m, down from a loss of $124m a year earlier.

The red numbers come in the final year before the rebranding of the owner of shuttle tankers, floating oil and gas production vessels and offshore support vessels to Altera Infrastructure a takeover Brookfield Business...