# The Merchant Shipping (Navigational Equipment) Regulations 1993, Regulation 26: Measurement of shadow sectors


The angular width and bearing of any shadow sectors displayed by the radar installation shall be determined and recorded. The record shall be shown on a diagram adjacent to the radar display and be kept up to date following any change likely to affect shadow sectors.

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Source: https://www.legislation.gov.uk/uksi/1993/69/regulation/26 (the official version)
Page: https://openlegislation.uk/merchant-shipping-navigational-equipment-regulations-1993/regulation-26
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.