This vessel was originally named TUNA II, flagged to Costa Rica, and owned/operated by Pesca Tuna SA. Vessel renamed to YU LONG 66 and reflagged to Belize in February 2005. This vessel was included in the IATTC IUU list on 26 December 2005 and later delisted on 30 June 2006. Owner, operator and management transferred to Transportes El Pescador, S.A in March 2017 and gained licenses to operate in the IATTC convention Area from March 2017 to 2019.