Keeping Imray charts up to date
You can keep your charts up to date by downloading Imray Correction Notices.
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Charts superseded by new editions are cancelled and cannot be corrected.
Printing History A list of all chart edition and printing dates
Norie's Bulletin of Corrections A non-cumulative list of corrections for all Imray charts published each quarter
Every spring, we publish chartlets of East Coast rivers based on Trinity House surveys.
Book supplements with updates and corrections
Imray pilot books are updated and corrected at frequent intervals via downloadable supplements.
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Please email or write to us with any comments or observations giving specific information regarding chart or book edition date.