S1WM-W2
1. Side or direction away from the wind (opposite of "windward").
2. Measured from the base line to the heel of the upper deck beam at the ship’s side amidships.
3. The distance measured from the waterline to the higher edge of the freeboard plating/deck plating at sides of amidships.
4. The weight of the ship excluding cargo, fuel, ballast, stores, passengers, and crew, but with water in the boilers to steaming level.
5. The vertical distance from the bottom of the keel to the waterline

subject SAFETY 1. maritime​