Planned Service Interruption for the Spectrum Management System
Due to planned maintenance, the Spectrum Management System will not be available Wednesday April 29, 2026, from 8:00 p.m. (ET) to 11:59 p.m. (ET).
The National Maritime Information Database (NMID) contains the details (vessel or coast station information, vessel name, owner, type and size, etc.) of all Maritime Mobile Service Identities (MMSIs) assigned to Canadian vessels and coast stations by Innovation, Science and Economic Development Canada (ISED).
In addition, it contains the Maritime Identity (MI) numbers and the owner names of all registered MI portable devices.
For more information, visit: Maritime Mobile Service Identities (MMSIs) and Maritime Identities (MIs)
Note: Some links on the Spectrum Management System (SMS) are only accessible by authorized users and are indicated as such.
Apply for an MMSI or MI
To apply for an MMSI or MI number, visit Maritime Mobile Service Identities (MMSIs) and Maritime Identities (MIs).
For more information, consult CPC-2-3-07 — Obtaining Identities in the Maritime Mobile Service.
You may require a radio licence along with your MMSI. See Maritime Service for more information. You can submit your application online or fill out the PDF application form.
Submit an online application for a radio station licence for your vessel. For a maritime base station use this link.
Fill out the PDF form to apply for a radio station licence for your vessel.
Note: The PDF has to be opened with a PDF reader
Search tools for MMSIs and MIs
Search for Maritime Mobile Service Identities (MMSIs) and Maritime Identities (MIs) assigned by ISED.
Search vessel information of assigned MMSI numbers.
Search MI numbers and owner names of registered MI portable devices.
Search coast station information.
Canadian Coast Guard Data Download
Secure link for the Canadian Coast Guard (CCG) to download information on MMSIs and MIs assigned by ISED: