This vessel was included in the IATTC IUU list on 26 December 2005 and later delisted on 30 June 2006 whilst flagged to Belize and named YU LONG NO. 21. This vessel renamed to HUNG CHI FU NO. 16 in April 2009. Registry of this vessel transferred to Mexico in 2015. Sources indicate this vessel has links to vessel operator Pesca Tuna SA.