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Watertight doors and Classes | blog

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luka turmanidze



Watertight doors can inflict serious injury if their operation is not carried out correctly. Therefore, all seafarers who would have occasion to use any watertight doors should be instructed in their safe operation. Seafarers who have not been instructed in their use should not under any circumstance operate them until such training has been given. Doors should always be operated in accordance with local instructions.



Class A watertight doors are permitted by the administration to remain open during navigation. In all cases, if a watertight door is found closed it may automatically close after being opened manually so extra care must be taken.


Class B watertight doors may be opened during navigation when necessary for work in the immediate vicinity of the door. The door must be immediately closed when that work is finished.


Class C watertight doors may be opened during navigation to permit the passage of passengers or crew. The door must be immediately closed when transit through the door is complete.


Class D watertight doors must always be kept closed during navigation.

The Blog post is edited by luka turmanidze Mar 14
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