Article 10 Side scuttles and skylights

In every vessel of 12 metres in length and over to which these Rules apply side scuttles to spaces below the freeboard deck and to enclosed superstructures, deckhouses or companionways on the freeboard deck shall be fitted with hinged deadlights capable of being closed watertight.

In every such vessel every side scuttle shall be fitted in a position such that its sill is above a line drawn parallel to the freeboard deck at side having its lowest point 1 metre above the highest load waterline.

In every such vessel side scuttles, glasses and deadlights shall be of substantial construction.

In every such vessel skylights leading to spaces below the freeboard deck shall be of substantial construction and capable of being closed and secured weathertight, and with provision for adequate means of closing in the event of damage to the inserts.