Marine Engineer Class 4 (MEC 4)

Find information on training, sea service and other requirements for the MEC 4 certificate, including how to apply and pay for your certificate, and where to find more help.

Your MEC 4 certificate is valid for five years.

With this certificate, you can perform the functions and duties of chief engineer on:

  • passenger and non-passenger motor ships of less than 24 metres (m) and any propulsion power operating within coastal and offshore limits
  • passenger and non-passenger motor ships under 3000 gross tonnage (GT) of any length and propulsion power operating within restricted limits
  • fishing motor ships under 3000 kilowatts (kW) operating in the unlimited area.

From MEC 4, you can progress to MEC 3 with additional training and sea service. Refer to the guideline for MEC 3 for the detailed requirements.


Before you spend time doing sea service and training, we recommend you check that you can meet the medical fitness and eyesight standards (including for colour vision), and that you understand the fit and proper person requirements.

A summary of the requirements for this certificate is provided below. You need to meet all of these requirements to get your MEC 4 certificate.

  • prove that you meet the minimum sea service requirements
  • complete and pass the approved qualification for MEC 4
  • have current certificates for the required ancillary proficiencies
  • pass Maritime NZ’s final exam
  • prove that you are a fit and proper person
  • be medically fit and have good eyesight.

You must also have English conversation, reading and writing skills appropriate to the responsibilities and functions for the level of your certificate, so that you can satisfactorily complete training, pass examinations and discharge your duties.

Each of these requirements and how to prove that you meet them is explained in the full guideline below.

Marine Engineer Class 4 (MEC 4)[PDF: 255Kb, 22 pages]


The application fee for this certificate is $368, which includes goods and services tax (GST)

Application process

This is the application process for this certificate of competency.

Contact us for more help

If you have any questions about seafarer certification, please contact our Personnel Certification team.


New Zealand (toll free):
0508 SEACERT or 0508 732 237

Call Personnel Certification now

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