If step placement on flying boats are to be discussed, so to be in another thread.Well, no. For flying boats the step is located just aft of the CG. Roughly the same location as the main gear on a nosewheeler and for the same reasons - it has to rotate in order to take off. Buoyancy determines where the waterline will be and is controlled by the width (beam), not the step location.
Let’s say there are pros and cons with placing the step of a flying boat hull close to the centre of gravity.
To have the hull step just aft of the centre of gravity is commonplace, but no requirement for a working flying boat hull.
True and important in seaplane hull design.Also keep in mind that as a flying boat starts to move it begins to weigh less, unlike an actual boat.