2.1 The guidelines apply to ships constructed
after 2 January 1992 where bridge duty is regularly maintained. The
Administration should urge designers and builders of ships to use
these guidelines during a ship's design process.
2.2 When ships of unconventional design cannot
comply with the guidelines, Administrations should consider arrangements
that provide a level of visibility that is as near as possible to
the level recommended in these guidelines.
2.3 Administrations should consider the application
of 3.2 and 3.3 to existing ships as well. However, structural alterations
or addition of equipment need not be required.