# 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 2.3.2.1: Lock planning, long-term

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

Long-term lock planning is dealing with the planning of a lock some hours up to a day ahead.
In this case the traffic information is used to improve the information on waiting and passing times at locks, which are originally based on statistical information.
Estimated Time of Arrival (ETA) shall be available on demand or shall be exchanged if the deviation from the original ETA exceeds the deviation allowed by the competent authority. Requested time of arrival (RTA) is the response to an ETA report or may be sent from a lock to propose a locking time.

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Source: https://www.legislation.gov.uk/eur/2019/838/annex/division/2/division/2.3/division/2.3.2/division/2.3.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-838/annex/division-2/division-2.3/division-2.3.2/division-2.3.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.