Admiralty List of Radio Signals (ALRS): Vol. 6, Part 7 - Central and South America and the Caribbean (NP286-7), 7th Edition 2026 e-Learning Identification reference tables

Identification reference tables

British Admiralty Nautical Chart  540: Baia de Todos os Santos is a standard nautical chart

achieving nearly 95% light transmission for crystal-clear visibility in dim conditions

10 Lifting Lugs

Green Cay Marina

Admiralty List of Radio Signals (ALRS): Vol. 6, Part 7 - Central and South America and the Caribbean (NP286-7), 7th Edition 2026 e-Learning Identification reference tablesAbout the Admiralty List of Radio Signals (ALRS) The Admiralty List of Radio Signals series provides comprehensive information on all aspects of Maritime Radio Communications. The data is organized into six volumes, some divided into several parts for ease of handling. Each of the six volumes is presented in a user friendly format with full color photographs and diagrams. The contents range from a complete listing of stations handling Maritime Public