UK MCA OOW Unlimited
Code deck-uk-mca-coc · STCW A-II/1
UK MCA Certificate of Competency (Deck) — issued by the Maritime and Coastguard Agency under the UK transposition of STCW. Pathway: cadet → OOW (STCW II/1) → Chief Mate (II/2) → Master Unlimited (II/2). Five-year validity with sea-time + medical revalidation.
- Prerequisites
- bst, aff, psscrb, medfa, helm-ops, bridge-team, ecdis, radar-arpa-ops, gmdss-goc
- Duration
- —
- Validity
- 5 years
- Refresher
- —
- Typical cost
- —
Requires sea time (12m as cadet or equivalent) and oral exam.
Where to take this course
Country guides list accredited training centres in the major seafarer-supplying nations:
Related glossary terms
High confidence
Editorial confidence: how we grade. Data sources and methodology: /sources.
UK MCA OOW Unlimited: FAQ
- What is the UK MCA OOW Unlimited (DECK-UK-MCA-COC) certification?
- UK MCA Certificate of Competency (Deck) — issued by the Maritime and Coastguard Agency under the UK transposition of STCW. Pathway: cadet → OOW (STCW II/1) → Chief Mate (II/2) → Master Unlimited (II/2). Five-year validity with sea-time + medical revalidation. Referenced in STCW table A-II/1. Category: Navigation.
- Who needs DECK-UK-MCA-COC?
- DECK-UK-MCA-COC applies to seafarers in roles defined under STCW table A-II/1. Recommended prerequisites: bst, aff, psscrb, medfa, helm-ops, bridge-team, ecdis, radar-arpa-ops, gmdss-goc. Without DECK-UK-MCA-COC, operators may decline to roster you for the relevant duties.
- Where can I get DECK-UK-MCA-COC?
- DECK-UK-MCA-COC is delivered by approved training centres in most major maritime training countries. Use our /training-centres directory and the certifications-by-country filters to find an approved provider near you. The flag administration of your seaman's book may also publish a list of accepted providers.
- How long is DECK-UK-MCA-COC valid?
- 5 years from issue. Plan your revalidation course before the expiry date; lapsed certificates may require re-sitting the full course rather than a refresher, and operators may refuse to extend a contract while a critical certificate is expired.