Evidence of sea service for issue of a certificate

When you apply for a certificate, you must provide documented evidence of your sea service. 

This may include: 

  • discharge books or discharge certificates 

  • letters from employers confirming your service and role 

  • training record books (TRBs). 

 

Check the certificate‑specific guidance and application form for any additional evidence requirements. 

Demonstrating continued competency at certificate renewal 

When you apply to renew your certificate, you must provide documentation that shows you continue to be competent to exercise the privileges of your certificate.  

 

Our assessment will consider evidence of:   

  • sea service   

  • other duties equivalent to sea service   

  • employment in a shore-based role 

  • training  

  • assessments or examinations 

 

Check the certificate-specific guidance and application form for any additional evidence requirements.