MARINA Advisory 2020-50
Subject : Extension of the Validity of STCW Certificates ………………………………………………………………………………………………….
MA-2020-50-Extension-of-the-Validity-of-STCW-CertificatesSubject : Extension of the Validity of STCW Certificates ………………………………………………………………………………………………….
MA-2020-50-Extension-of-the-Validity-of-STCW-Certificates