Second Officer (2/O)
Deck · Junior officer
Mid-level deck officer. Often holds navigation officer responsibility (passage planning, chart corrections, ECDIS).
From Wikipedia
A second mate ( 2nd mate) or second officer ( 2/O) is a licensed member of the deck department of a merchant ship holding a Second Mates Certificate of Competence,[\[1\]](https://en.wikipedia.org/wiki/Secondmate#citenote-1) by an authorised governing state of the International Maritime Organization (IMO). The second ma…
Source: Second mate · cached via Firecrawl
What they do
Stands a bridge watch (typically 12–4), maintains charts and ECDIS, prepares the passage plan under SOLAS V/34, reports to the Chief Officer on navigation matters. Often the medical officer.
Typical certificates
- OOW CoC (II/1)
- ECDIS
- Medical First Aid + sometimes Medical Care (A-VI/4-2)
Generate a tailored list with the STCW certificate checker.
Primary sources
Last verified