USCG-STCW-DECK-L3.1

Chief Mate: 3,000 GT or more and 500 to 3,000 GT (11.307, 11.313)

USCG-STCW-DECK-M3 · Management Level: Chief Mate and Master · USCG-STCW-DECK-M3-A Chief Mate and Master in each tonnage band, management-level training, and yacht career routes.

Chief Mate is the first **management-level** endorsement. The service is short - **12 months as OICNW** - but the training list is long.

AI-drafted catalogue content pending SME review. STCW deck endorsements depend on vessel GT, route and equipment and on an individual NMC evaluation of sea service and assessments, so no pathway here is a guarantee of issue; verify with the National Maritime Center and the current NMC checklists before applying.