Third Officer (3/O, OOW)
Deck · Junior officer
Junior deck officer holding STCW II/1 CoC. Typically responsible for safety equipment + bridge watchkeeping.
From Wikipedia
A third mate ( 3/M) or third officer is a licensed member of the deck department of a merchant ship.[\[1\]](https://en.wikipedia.org/wiki/Thirdmate#citenote-1) The third mate is a watchstander and customarily the ship's safety officer and fourth-in-command (fifth on some ocean liners). The position is junior to a secon…
Source: Third mate · cached via Firecrawl
What they do
Stands a bridge watch, manages LSA / fire-fighting equipment, drills, ISPS muster reports, port paperwork. The 3/O is the entry rank for the officer career ladder.
Typical certificates
- OOW CoC (II/1)
- GMDSS GOC
- ECDIS generic + type-specific
- BRM
- ARPA
Generate a tailored list with the STCW certificate checker.
Salary
/salaries/third-officer
Career pathway
/careers/deck-officer-pathway
Next rank
Second Officer
Related
Primary sources
High confidence
Last verified