CCGS Sipu Muin

CCGS "Sipu Muin" is a Canadian Coast Guard air cushion vehicle (ACV) based in Trois-Rivières, Quebec.

The ACV's primary activities are icebreaking and performing search and rescue missions in the Saint Lawrence River and its navigable tributaries. Occasionally the CCGS "Sipu Muin" performs navigation aid maintenance.

Muin Sipu means "bear river" in Mikmmaq.