Find Corrections for Imray charts
We provide a weekly chart Corrections service to enable to you to keep your charts up to date. The service includes the latest relevant official Notices to Mariners information.
Find book supplements for the latest editions
We publish annual updates (supplements) for most Imray pilot guides. Search here, or they can be downloaded from the product pages on our website.
Updating and correcting Imray charts
For information on how to update Imray charts, see our FAQs here
Click to download a list of all chart edition and printing dates.
Symbols guides and chartlets
Click the links below to download PDF guides:
Key to symbols and abbreviations used on Imray Charts
IALA Buoyage System Region A diagram
IALA Buoyage System Region B (Americas and Caribbean) diagram
Every spring we publish chartlets of East Coast rivers based on Trinity House surveys:
Woodbridge Haven (River Deben entrance) April 2024
Orford Haven (River Ore entrance) April 2024
List of all book edition and printing dates
User observations and reports
We are grateful to reports of amendments or changes that should be applied to keep our books and charts up to date.
Please email or write to us at ilnw@imray.com with any comments or observations giving specific information regarding chart or book edition date.