Corrections
Subject: Correction. Include the page, the specific figure, and a source. Verified corrections are applied to the live data and reflected in the next ranking recalculation.
Data updates
Subject: Data update. For operators or ships already listed — new pricing, a capacity change, an updated ice-class rating.
Operator submissions
Subject: Submit operator. See the full inclusion criteria on the Submit an Operator page before writing.
This site aims to respond within a reasonable window and does not promise a specific turnaround it can't guarantee. This is a static site with no server-side form processing, which is why every route above is a direct email address rather than a contact form.