# Commission Delegated Directive (EU) 2020/12 of 2 August 2019 supplementing Directive (EU) 2017/2397 of the European Parliament and of the Council as regards the standards for competences and corresponding knowledge and skills, for the practical examinations, for the approval of simulators and for medical fitness (Text with EEA relevance), Division 3

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

The boatmaster sailing with the aid of radar shall be able to reduce interference of varying origin.
The boatmaster shall be able to:
COLUMN 1 COMPETENCE
COLUMN 2 KNOWLEDGE AND SKILLS
1.
identify and reduce disturbances coming from the own craft;
1.. Knowledge of disturbances which might be caused by break-up or split of the antenna beam, by shadowing effects (blind sectors) or by multiple reflections (e.g. in the area of the loading compartments).
2.. Ability to take action to reduce disturbances coming from own craft.
2.
identify and reduce disturbances coming from the environment;
1.. Knowledge of disturbances from rain or waves, scattered fields (e.g. bridges), multiple reflections, false/ghost echoes, power transmission lines, radar shadowing and multipath propagation effects.
2.. Ability to take action to reduce disturbances coming from the environment (by using Anti-Rain Clutter (FTC) and Anti-Sea Clutter (STC)).
3.
identify and reduce disturbances coming from other radar navigation installations.
1.. Knowledge of appearance of disturbances caused by other navigational radar installations.
2.. Ability to take action to remove disturbances coming from other navigational radar installations (interference rejection/IR).

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Source: https://www.legislation.gov.uk/eudr/2020/12/annex/I/division/IV/division/3 (the official version)
Page: https://openlegislation.uk/eu-directive-2020-12/annex-I/division-IV/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.