Navigation Lights 4 : The Lights exhibited during the night for Navigation purpose are the lights required as per the Rules are called the Navigation Lights.
Shrikant Hathi & Binita Hathi, Maritime Practice in India, Shipping Glossary (7th Ed.), published by the law firm BRUS Chambers, Mumbai, India, 2012. http://bruschambers.com/marine/memo51.htm, (Mrtm - Brit) {567}