# The Merchant Shipping (Radiocommunications) (Amendment) Regulations 2021, Paragraph 4

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

At least once every month—
(a) each satellite EPIRB must be examined to determine its capability to operate properly, particularly its ability to float free (where required to do so) in the event of the ship sinking, its security and for signs of damage;
(b) each search and rescue locating device (radio or AIS) must be checked for security and signs of damage;
(c) each survival craft two-way VHF equipment must be tested on a frequency other than 156.8 MHz (VHF Channel 16);
(d) a check must be made on—
(i) the security and condition of all batteries providing a source of energy for any part of a radio installation; and
(ii) the battery connections and compartment.

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Source: https://www.legislation.gov.uk/uksi/2021/1316/schedule/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/merchant-shipping-radiocommunications-amendment-regulations-2021/schedule-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.