Windows

This section describes the requirements to the windows surrounding the bridge. The following points are to be taken into consideration:

The windows should be made of shatterproof toughened glass that meets strength requirements recognised by national or international standards, such as ISO 21005, Thermally toughened safety glass panes for windows and side scuttles.

The windows are to be as wide as possible, the divisions between them should be kept as narrow as possible and may not be placed in the vessel’s centreline. The windows need to be placed at in incline between 10 and 25 degrees.

The height of the lower edge of the front windows is to allow a forward view over the bow for a person at the navigation workstation and is not to obstruct any of the required fields of vision. The height of the lower edge of the front windows above the deck is to be kept as low as possible and, as far as practicable, is not to be more than 1000 mm above the deck surface. The upper edge of the front windows is to allow a forward view of the horizon for a person with an eye height of 1800 mm at the conning position when the ship is pitching in heavy seas and as far as practicable, is not to be less than 2000 mm above the deck surface. 

Clear views through the windows in front of the conning position, navigation workstation, and, where applicable, bridge wings are to be always provided regardless of weather conditions. At least two windows are to provide such a view. A removable sunscreen with minimal color distortion is to be fitted. Heavy duty wipers, if possible, with an interval function and freshwater wash system are to be fitted. Additionally, a de-icing and de-misting system is to be fitted. The windows should be safely accessible for external cleaning.