# 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 1

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

The boatmaster sailing with the aid of radar shall be able to take appropriate action in relation to navigation with the aid of radar before casting off.
The boatmaster shall be able to:
COLUMN 1 COMPETENCE
COLUMN 2 KNOWLEDGE AND SKILLS
1.
prepare the start of a journey and use of navigational radar installations and rate-of-turn indicators for navigation especially in reduced visibility conditions.
1.. General knowledge of radio waves and knowledge of the principles of radar operation and more specifically
the propagation velocity of radio waves,
reflection of radio waves
key parameters of navigational radar installations (operating frequency range, transmission power, pulse duration, rate of antenna revolutions, characteristics of the antenna, display dimensions and range scales, minimum range, radial resolution and azimuthal resolution etc.).
2.. General knowledge of the working principle of rate-of-turn indicators and their application.
3.. Ability to switch on, adjust and control navigational radar installations such as Tune, Gain, Brilliance, On/Standby, Range and to use rate-of-turn indicators in inland navigation and assure correct use.

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Source: https://www.legislation.gov.uk/eudr/2020/12/annex/I/division/IV/division/1 (the official version)
Page: https://openlegislation.uk/eu-directive-2020-12/annex-I/division-IV/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.