News articles with the tag 'second mate' Marine Accounts October 26 Newsletter Introducing Cormorant Ocean Racing Read now 6 minute read What Does a Second Mate Do on a Superyacht? A second mate on a superyacht is a licensed officer responsible for navigation, safety, and watchkeeping. Learn what they do, how to qualify, what they earn, and how tax exemptions like the Seafarers Earnings Deduction may apply to your income. Patrick Maflin Patrick Maflin 01 Sep 2025