I would be weary of this plane on a 46 on floats... I am weary of this plane on my 50... It is a real nice plane but it is also a 7.5 lb plane so it is heavy... On tar I might try a 46 but would bet it would still not be the best of planes even then... I will know more next week but if you look at the weight, type ac, and size it looks like a perfect 60 candidate...