# Commission Implementing Regulation (EU) 2019/838 of 20 February 2019 on technical specifications for vessel tracking and tracing systems and repealing Regulation (EC) No 415/2007, Division 4.2: General requirements for AIS Class B mobile stations on inland waterways

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

AIS Class B has restricted functionalities compared to Inland AIS mobile stations. The messages sent out by an AIS Class B mobile station are transmitted with a lower priority in comparison to Inland AIS mobile stations.’
In addition to the requirements resulting from other Union legal acts, in particular, Directive 1999/5/EC of the European Parliament and of the Council and Commission Decision 2005/53/EC, AIS Class B mobile stations installed on vessels navigating on Union inland waterways shall meet the requirements set out in:
(a) Recommendation ITU-R M. 1371;
(b) IEC International Standard 62287 (including DSC channel management).

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Source: https://www.legislation.gov.uk/eur/2019/838/annex/division/4/division/4.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-838/annex/division-4/division-4.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.