Azure, a castle embattled argent, masoned sable over which a Fleur-de-tis or.
(Glossary of Heraldic Terms)
This badge uses the golden fleur-de-lis, a device from the arms of Royal France. The remainder of the badge is consistent with those used by other Porte class vessels.
Porte-class gate vessel
Gold and azure blue
Badges Of The Canadian Navy by Arbuckle, J. Graeme. Halifax: Nimbus Publishing, 1987.