# Directive 2003/25/EC of the European Parliament and of the Council of 14 April 2003 on specific stability requirements for ro-ro passenger ships (Text with EEA relevance), Division 1.3

Extent: E+W+S+N.I.

For ships in geographically defined restricted areas of operation, the administration of the flag State may reduce the height of the water surface prescribed in accordance with point 1.1 by substituting such height of the water surface by the following:
1.3.1. 0,0 m if the significant wave height (hs) defining the area concerned is 1,5 m or less;
1.3.2. the value determined in accordance with paragraph 1.1 if the significant wave height (hs) defining the area concerned is 4,0 m or above;
1.3.3. intermediate values to be determined by linear interpolation if the significant wave height (hs) defining the area concerned is 1,5 m or more but less than 4,0 m,
provided that the following conditions are fulfilled:
1.3.4. the flag State administration is satisfied that the defined area is represented by the significant wave height (hs) which is not exceeded with a probability of more than 10 %; and
1.3.5. the area of operation and, if applicable, the part of the year for which a certain value of the significant wave height (hs) has been established are entered on the certificates.

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Source: https://www.legislation.gov.uk/eudr/2003/25/annex/I/division/1/division/1.3 (the official version)
Page: https://openlegislation.uk/eu-directive-2003-25/annex-I/division-1/division-1.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.