Revision and update of Safety Management System onboard Panamanian flagged ships with multiple load lines Tec No.:TEC- 1240 (1126kb) Contact:Ship Management Systems Department Issued:5 Jul 2021 The Panama Maritime Authority (PMA) has issued Merchant Marine Circular (MMC-391) on 26 May 2021 regarding the operational procedure for multiple load line certificates onboard Panamanian flagged ships. The PMA highly recommends that Panamanian flagged ships with multiple load line certificates onboard ensure that the Safety Management System (SMS) is revised and updated accordingly in accordance with MMC-391, 4.2.1 with the purpose of avoiding possible detentions. The outline of the revision and update of the SMS is as follows. The SMS is to be revised and updated accordingly for multiple load line assignment, considering at least the following points: (a) One (1) load line certificate is to be in use at any given time. (b) Additional load line c