couple of ways.
1. make a new one, using the FSX SDK
2. if the cfs2 model works on it's own in fsx, and is landable, use a 3rd party program to simulate cats, and cables.
But personally I would choose #1, not that hard to do as it's a boat, and you get to make your own textures and add your own details.
I am sure someone will come along with something else to say.