This European Standard applies to requirements for navigation lights and their testing:
a) for inland navigation and sea-going vessels;
b) for recreational craft of 20 m and over;
c) For recreational craft of less than 20 m that shall also meet the CEVNI rules.
This European Standard is not applicable to navigation lights on recreational craft less than 20 m in length that come within the scope just of COLREGs.
This standard specifies requirements for navigation lights cited in regulations, see Bibliography.