Hand-hold fittings mounted on cabin tops and sides for personal safety when moving around the boat.

Private organisations that undertake inspections and provide advice on the hull and machinery of a ship, also supervise ships during their construction and afterwards in respect to their seaworthiness. Ships are then referred to as being ‘in class’. Although not compulsory, an unclassed ship will find it difficult to attract insurance.

Toward the rear (stern) of the boat. Behind.

At right angles to the keel of the boat, but not on the boat.

On or within the boat.

On the deck (not over it – see ALOFT)

Side by side; by the side of.

a classification society whose core service is the provision of classification services through the development of standards called ABS Rules. These rules form the basis for assessing the design and construction of new vessels and the integrity of existing vessels and marine structures

Loose, not on moorings or towline.

Toward the stern of the boat.