# The Merchant Shipping (Radio Installations) Regulations 1992, Regulation 18: Interpretation


In this Part the following expressions shall have the following meanings—
“connected” means electrically connected;
“existing installation” means—
(a) an installation wholly installed before 25th May 1980; and
(b) an installation part of which was installed before the said date and the rest of which consists of parts installed in replacement of indentical parts or parts which comply with the relative requirements of this Part;
“maintenance” means any activity intended to keep a radio installation in satisfactory working condition and includes tests, measurements, replacements, adjustments and repair;
“mile” means the international nautical mile of 1,852 metres;
“new installation” means any installation which is not an existing installation;
“new ship” means a ship the keel of which is laid or which is at a similar stage of construction on or after 25th May 1980;
“operating position” in relation to any equipment means the position normally occupied by a person when operating that equipment;
“radio officer” means a person holding a valid maritime radio communication general certificate, first class radiotelegraph operator’s certificate or second class radiotelegraph operator’s certificate issued in each case in accordance with the Radio Regulations who is employed in the radiotelegraph station of a ship which is provided with such a station in accordance with this Part;
“radio operator” means a person who has had experience at sea as an operator of radiotelegraph apparatus on board a fishing vessel or a ship to which this Part does not apply;
“radiotelegraph ship” means a ship, being a passenger ship or a cargo ship of 300 tons and upwards to which this Part applies, which is provided with a radiotelegraph installation in compliance with this Part;
“radiotelephone operator” means a person holding a valid appropriate certificate issued in accordance with the Radio Regulations;
“radiotelephone ship” means a cargo ship, being a ship to which this Part applies, of not less than 300 tons but less than 1,600 tons, which is provided with a radiotelephone installation in compliance with this Part;
“radiotelephone station” and “radiotelephone installation” relate to the equipment operating within the frequency band 1605—3800 kHz;
“radio watch”, in the case of radiotelegraph ships, means listening on the international distress frequencies of 500 kHz and 2182 kHz and in the case of radiotelephone ships means listening on the international distress frequency of 2182 kHz;
“silence period” means the period of 3 minutes beginning at 15 minutes and at 45 minutes past each hour, on the frequency of 500 kHz, and at each hour and at 30 minutes past each hour, on the frequency of 2182 kHz;
“VHF radiotelephone station” and “VHF radiotelephone installation” relate to the equipment operating within the frequency band 156.025—162.025 MHz.

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Source: https://www.legislation.gov.uk/uksi/1992/3/regulation/18 (the official version)
Page: https://openlegislation.uk/merchant-shipping-radio-installations-regulations-1992/regulation-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.