Privacy notice
Last updated 6 November 2026
- The Dark Blue Book is run by Aquitude Group Limited, a company registered in England and Wales.
- The book maps who does what in yacht racing, from public sources. If you're in it and something is wrong, or you'd rather not be in it, tell us.
- If you apply to join, the editors see everything on your application. Your sign-in email is never shown. What other members see is up to you.
- We don't sell data, show ads or use tracking cookies.
- Questions or requests: [email protected].
Who we are
The Dark Blue Book (app.darkbluebook.com) is run by Aquitude Group Limited, company number 12236834, registered office Studio 202, 30 Red Lion Street, Richmond, TW9 1RB, United Kingdom. We are the controller of the personal data described here. Write to us at [email protected].
People in the book
The book is a reference to the business of yacht racing: the people, teams, clubs, organisations and events in the sport, and how they connect. Many of the people in it have never signed up.
What we hold
Your name; your roles and relationships in the sport (for example "trimmer at a team", "chief executive of an event", "owner of a boat"), with dates where known; the nation you sail or work for; and the public source each relationship came from.
Where it comes from
Public sources about the sport: press releases, team, class and event websites, published results, and news reports. Readers and members also send corrections.
Why, and on what basis
We rely on legitimate interests: publishing an accurate reference to a professional sport and its business, about people in their public, professional roles. We don't include private life, home addresses or private contact details.
Your choices
Use Report an error on any entry to correct it. To see what we hold about you, or to object to being in the book, email [email protected]. We'll weigh your request against the public interest in an accurate record of the sport, and tell you what we've decided and why.
If you apply to join
What we collect
- Your name, email address and nationality (required).
- Your roles in the sport (at least one).
- If you give them: WhatsApp or mobile number, LinkedIn, Instagram and other social accounts, a short bio, your connection to the sport, who you've worked with and who referred you.
Why, and on what basis
To consider your application and, if you're accepted, to provide your membership: steps you ask us to take and the membership agreement between us. We use the links you give, LinkedIn especially, to check who you are.
Who sees it
- The editors see everything on your application, and may write a private note about it, for example after contacting you.
- Your sign-in email is never shown to anyone else.
- If you're accepted, your name, nationality and roles appear in the book and on the map. Other profile details (photo, bio, social links, contact details) show only as your profile settings allow. Contact details are off unless you switch them on.
How long we keep it
- If you don't confirm your email within a week, your application is deleted.
- If you withdraw, or your application is declined, your application and account are deleted straight away.
- If you're a member, we keep your details while you're a member. Ask us to close your account and we'll delete your profile and account. Your roles may stay in the book as editorial facts where we'd have included them anyway; you can object, as above.
Membership is for people aged 18 and over.
Reports and feedback
When you use Report an error or Send feedback we keep your message, your email address and, if you give it, your name, so the editors can act on it and reply. Only editors can read them. We delete reports once they're dealt with and no longer needed, and within 12 months of being closed.
Signing in, and your browser
Sign-in uses a one-time link sent to your email; there are no passwords. Your browser stores your sign-in session and the view you last chose on the map. These are needed for the site to work, so we don't ask for cookie consent. We don't use advertising or analytics cookies.
Like any website, our hosting providers log technical details of requests, such as IP addresses, to run and protect the service.
Who processes data for us
| Provider | What for | Where |
|---|---|---|
| Supabase | Database, sign-in, file storage | London, United Kingdom |
| Cloudflare | Hosting the site, domain and security | Global network |
| Resend | Sending emails (sign-in links, welcome emails) | United States |
Where data is handled outside the UK, we rely on safeguards recognised under UK data protection law, such as the UK International Data Transfer Addendum or the UK–US data bridge. Each provider handles data only on our instructions.
We don't sell personal data or share it for marketing.
Changes to the book
We log every change to entries and links, with who made it, to keep the book accurate and accountable.
Your rights
Under UK data protection law you can ask us for a copy of your personal data, ask us to correct it, delete it or restrict how we use it, object to our using it, and ask for the data you gave us in a portable form. Email [email protected]. We'll reply within one month.
If you're unhappy with how we've handled your data, you can complain to the Information Commissioner's Office at ico.org.uk. We'd appreciate the chance to put it right first.
Changes to this notice
We'll update this page when what we do changes, and tell members by email about significant changes.
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