L.O.A. – Length overall is the horizontal distance over the extremities from stem to stern.
L.B.P. – The distance measured along the summer load water plane from fore to aft perpendicular is known as the length between perpendiculars.
L.W.L. – The horizontal distance between where the stern and bow intersect the water. Length measured along the waterline when fully loaded. In case it is not mentioned, the length of the summer load waterline is considered the length of the waterline
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