Statutory Documents - MCA Publications - LY3 - The Large Commercial Yacht Code - 17 Navigation Lights, Shapes and Sound Signals
17 Navigation Lights, Shapes and Sound Signals
17.1 Every vessel should comply with the requirements of the International Regulations For Preventing Collisions At Sea, 1972, as amended.
17.2 All navigation lights should be provided with main and emergency power supply.
17.3 With due regard to accessibility, the requirement for duplication for navigation lights required to be shown whilst underway may be satisfied by having spare bulbs that can be easily fitted within three minutes. However, on yachts over 500GT these must be duplicate lights.
17.4 For vessels where compliance is impracticable, alternatives may be considered by application to the Administration.
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