The craft is used as a buoytender in the Québec Region, meaning that she can be called upon to lay, service and recover buoys. the Sipu Muin is equiped with a crane capable of lifting up to 4 500 kg. Her verswatility and 23,000 kg payload enable her to transport any combination of crago and passengers through difficult waters. Vehicles can be loaded directly on deck by a bow ramp, making the Sipu Muin particularly useful in pollution clean-up operations, since the craft is also completely amphibious. In addition, she is regularly assigned to search and rescue operations and navigational aids construction and maintenance operations.
Although the Sipu Muin is used primarily between Montreal and Trois Rivières, she can be deployed rapidly to any area under Coast Guard jurisdiction, like other Coast Guard units. Her home port is Trois Rivières.
| Type | Air cushion vehicule |
| Length | 28,5 m |
| Breadth | 12 m |
| Power | 2 818kW |
| Maximum speed | 50 knots |
| Cruising speed | 45 knots |
| Maximum weight | 70 tm. |
| Crew | 8 |
| Builders | Westland Aérospace, England and Hike Metal Products Ltd, On. |
| Year built | 1998 |