What's happening at sea
Merchant Navy, explained.
Every merchant ship runs on the same small set of departments, ranks and rules. Start here and the rest of the industry becomes readable.
RANK TITLES AND DEPARTMENT STRUCTURES VARY BY FLAG STATE, COMPANY AND VESSEL TYPE. THE STRUCTURES SHOWN ARE THE COMMON MERCHANT PATTERN AND SHOULD BE CHECKED AGAINST THE APPLICABLE SAFE MANNING DOCUMENT BEFORE PUBLICATION.
FIGURES SHOWN AS INDICATIVE RANGES. EACH IS TO BE SOURCED AND DATED BEFORE PUBLICATION.
Ships
Machines built to move the world.
How ships work
Complex ship systems explained simply — one machine at a time, with the diagrams and the operating logic that engineers actually use.
Your journey to sea
From the first application to the day you sign on as Master or Chief Engineer. Six stages, roughly a decade, and a lot of sea time.
Cadet
Pre-sea training, sponsorship, and 12–18 months of sea time in a training record book.
Junior Officer
Third Officer or Fourth Engineer. First certificate, first watch of your own.
Officer
Second Officer or Third Engineer. Passage planning, maintenance, real responsibility.
Senior Officer
Management-level certificate. Cargo, safety and the crew start reporting to you.
Chief Officer / 2nd Eng.
Running the deck or the engine room day to day, one rank below command.
Master / Chief Engineer
Command. Legal authority over the ship, the cargo and everyone on board.
Maritime glossary
Every abbreviation in the industry, in plain language first and technical detail second. Searchable from anywhere on the site.