Guide

Starting a marine career: obtain a candidate number and required seafarer documents

Identify the position and voyage, open a candidate file, gather identity, training and sea service, then request the correct documents.

Priority

A discharge book is not a passport or general proof of competency. Each position may also require separate training, medical and competency certificates.

Confirm the scope

Define the position, vessel type, tonnage, voyage area and intended progression to avoid requesting an unnecessary document.

Prepare the information

Contact a Marine Safety office to obtain or locate the candidate number and confirm the applicable form.

Complete the process

Prepare identity, citizenship or status, photo, medical, training, sea-service testimonials and fees as required.

Keep follow-up records

Verify every file entry and retain copies of certificates, service records and renewal dates.

How to become a seafarer — Transport Canada

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Official sources are linked in the guide. Checked August 29, 2026; confirm current rules, forms and deadlines with the responsible authority.
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