# The Merchant Shipping (Radio Installations) Regulations 1992, Paragraph 4


Annually
Survival craft emergency position-indicating radio beacons shall be inspected, tested and, if necessary, have their source of energy replaced at least once every twelve months; provided that, the interval may be extended to a maximum of seventeen months to permit the inspection to take place concurrently with a radio survey.

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Source: https://www.legislation.gov.uk/uksi/1992/3/schedule/4/paragraph/4 (the official version)
Page: https://openlegislation.uk/merchant-shipping-radio-installations-regulations-1992/schedule-4/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.