Chief mate

This is an international qualification for Australian registered vessels operating in international waters.
This certificate enables you to work as a Chief mate.

With this certificate you can perform the duties or functions of:

  • Chief mate on ships of any gross tonnes in any operating area
  • Watchkeeper deck officer on ships of any gross tonnage in any operating area
  • If endorsed, Master on ships less than 500 gross tonnage in any operating area and Master on ships less than 3000 gross tonnage in near coastal waters.


To be eligible for a Chief mate certificate of competency you must meet medical, sea service and course requirements. The requirements depend on whether you are getting a certificate for the first time or revalidating an existing certificate. Each requirement and how to prove that you meet them is explained in these instructions.

This certificate is issued under Marine Order 70 (Seafarer certification) 2014 and Marine Order 71 (Masters and deck officers) 2014, made under the Navigation Act 2012.

Important disclaimer

These instructions are summary information only. We make decisions about seafarer certificates under Marine Order 70 (Seafarer c ertification) 2014, Marine Order 71 (Master and deck officers) 2014, Marine Order 72 (Engineer officers) 2014, Marine Order 73 (Ratings) 2014 and Marine Order 74 (Master and deck officers – yachts) 2015. Please refer to these marine orders for full details of eligibility and other requirements for certificate applications.

New certificate

To obtain this certificate, you need to:

Revalidate certificate

What do I need to do?

To revalidate your certificate, you need to:

Last updated: 

Thursday 13 February 2020