The commander of "I-26", Minoru Yokota, reported torpedoing a merchant vessel on the date and at the location where the "Coast Trader" sank, when he returned to Yokosuka, Japan on July 7, 1942. He also reported shelling Estevan Point lighthouse on June 20, 1942 and sinking the on December 7, 1941. "I-26" was sunk by , a destroyer escort, during the Battle of Leyte Gulf on October 25, 1944.