A
ship’s size and capacity can be described in two ways--linear dimensions or
tonnages. Each is completely different yet interrelated.
A
ship’s measurement is expressed in feet and inches--linear dimensions. A ship
is a three dimensional structure having length, width, and depth.
A Ship’s
Dimensions
Draft
- The depth of a ship in the water. This vertical distance is measured from the
bottom of the ship to the surface of the water. Draft marks are cut into or
welded on the surface of a ship’s plating. They are placed forward and aft on
both sides of the hull and also amidships. At the midships draft we will also
find the authorized Load Line markings which designate maximum drafts allowed
for vessels under various conditions.
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