18.2.1 The submarine, systems, equipment and components that are required to operate within
an exposed environment or adjacent to an exposed opening in normal operating
conditions are to be identified. They shall be able to operate with defined levels
of seawater mist or be fitted with suitable protection measures.
18.2.2 The submarine, systems, equipment and components that are required to survive and or
operate after exposure to a seawater mist environment in normal operating conditions
are to be identified. They shall be able to operate after being exposed to a
seawater mist environment or be fitted with suitable protection measures.