Conversion: Chief Mate (500–3000 GT) to Chief Mate (3000 GT or more)
Official reference: TEAP Part A II/17 DD
A foreign-going Chief Mate whose certificate is limited to the smaller tonnage band lifts the limit after further sea service, part of it on larger ships, and the Chief Mate examination.
Where this route can take you
Who can apply
Each requirement is summarised from the official publication linked beside it — follow the link for the exact wording.
Holds CM (500–3000 GT)
TEAP manual, Part A ↗Holds a Chief Mate certificate for foreign-going ships of 500–3000 GT.
Step by step
- 1
Sea service including service on ships above 3000 GT
The service must include six months on ships above 3000 GT after the Chief Mate certificate.
TEAP manual, Part A ↗ - 2
Chief Mate examination and assessment
The Chief Mate examination and assessment as set out in the TEAP manual.
TEAP manual, Part A ↗
The rules behind this route
Rules made under the repealed Merchant Shipping Act 1958 continue in force under section 324(2)(a) of the Merchant Shipping Act 2025.
MS Act 2025 s.324(2)(a): rules made under the repealed MS Act 1958 continue in force
Tonnage upgrade from Chief Mate (500–3000 GT) to Chief Mate (3000 GT and above).
This page is built from the official DGS Training and Examination Advisory Programme (the TEAP manual) and the current orders of DGMA (the Directorate General of Maritime Administration, called DG Shipping until June 2026). Requirements are summarised in plain language — every section links to the official publication for the exact wording. Requirements made under the old Merchant Shipping Act 1958 still apply under the new Merchant Shipping Act 2025.