The Admiralty List of Lights & Fog Signals (ALL) Vol. M: Western Side of North Pacific Ocean (NP85), 7th Edition 2026 is an essential resource for mariners navigating the bustling waters of the North Pacific. This comprehensive volume, provided by the United Kingdom Hydrographic Office, serves as a critical guide for safe maritime navigation.

Designed to offer the most accurate and up-to-date information, this book features a detailed listing of lighthouses, lightships, lit floating marks over 8 meters in height, and fog signals. Every entry includes essential navigational details, ensuring that sailors can make informed decisions on their journeys.

Key features of the Admiralty List of Lights include:

• Comprehensive details for each light, including International Number, location names, and geographical coordinates.
• Accurate characteristics of lights and fog signals, enhancing navigation safety.

This 5th edition also contains tables that assist mariners in calculating the geographical and luminous ranges of the lights featured. Users will benefit from precise information such as:

• Elevation in meters to gauge visibility.
• Range in sea miles to understand how far each signal can be seen.

Each entry shares descriptions of structures, which can be invaluable for identification during sailing. Mariners can confidently rely on this publication for clear and concise information essential for their journeys across the North Pacific Ocean.

For those interested in a digital format, the Admiralty List of Lights is also available online. Click here for more details.