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Posidon · Nautical Knowledge
The Posidon Blog
Guides, tips and answers to everything you wanted to know about boating licenses and sailing.
Articles & Guides
The knowledge to help you choose right
ISSA, SLC or PCOC? The Complete International Licence Guide
Three international boating certificates, three different uses: a practical comparison of ISSA, SLC and PCOC — what's recognised where, and which fits whom.
Read more →Got Your Skipper Licence — 5 Things That Surprise Everyone on the First Solo Sail
The moment there's no instructor beside the helm: what the first independent sail really feels like — from thousands of first sails since 1985.
Read more →Learning to Sail in Winter? Why It's Actually the Smart Season to Start
Everyone registers in spring — which is exactly why winter wins: smaller groups, sea that truly teaches, and a licence ready right for beach season.
Read more →What to Wear and Bring to Your First Sailing Lesson
The exact packing list for day one of a boating course: what's essential, what's unnecessary, and the classic shoe mistake every new student makes.
Read more →A Yacht Marriage Proposal — Ideas, Timing and Mistakes to Avoid
How to build the perfect proposal moment at sea: scripts that work, golden-hour timing, and how to keep the surprise safe.
Read more →A Yacht Bachelorette Party — the Full Planning Guide
When to sail, what to bring and what to leave home — everything the organiser of a yacht bachelorette needs to know, from hundreds of parties on deck.
Read more →7 Common Mistakes in the Boating Theory Exam — and How to Pass First Time
Why do people fail the boating theory exam? The 7 recurring mistakes — and a simple plan to pass confidently on your first attempt.
Read more →Meshit 30 or Otzma B? Choosing the Right Boating Licence
Yacht or motorboat? The real differences between Meshit 30 and Otzma B (Meshit 13) — what each licence allows, how long you study, and who each track suits.
Read more →Learning to Sail — Where Do You Start? The Complete Beginner's Guide
Want to learn to sail and don't know where to begin? Every licence type, how long it takes, what it costs, and how to choose your first course — in one simple guide.
Read more →Chartering a Yacht in Greece or Croatia — Which License Do You Need?
Dreaming of independent sailing in the Mediterranean? Here is which licenses charter companies require and how to prepare.
Read more →The Boating Theory Exam — Structure, Topics and Tips to Pass
What the Shipping Authority theory exam looks like, which topics are studied and how to prepare right to pass on the first try.
Read more →Jet-Ski License (Mashit 11) — Everything You Need to Know
From age 16, within a few weeks: how to get a jet-ski license, what the process is and how much it costs.
Read more →International Sailing License: ISSA vs Canadian (PCOC) vs SLC
Want to sail a yacht abroad? We compare the three leading international licenses — and which one fits you.
Read more →How Much Does a Skipper Course and Boating License Cost? Price Guide
A real cost breakdown: the course price, the theory and practical-exam fees, and what the price includes — no surprises.
Read more →How to Get a Skipper License (Mashit 30) — Full Guide
The complete process for a skipper license for yachts up to 24 meters: requirements, exams, theory and practice — step by step.
Read more →Have a question about a boating license?
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