ANNEX IMINIMUM REQUIREMENTS FOR AGE, ADMINISTRATIVE COMPLIANCE, COMPETENCE AND NAVIGATION TIME
3Deck crew qualifications at management level
3.2Minimum requirements for specific authorisations for Union certificates of qualification as a boatmaster
3.2.4Large convoys
Every applicant shall have accumulated navigation time of at least 720 days, including at least 540 days while qualified to serve as a boatmaster and at least 180 days in steering a large convoy.