Sail lofts & sail measurers

For the current IRC sail input form please contact the Rating Office

In-House Certification (IHC), IRC Endorsement and sail inputs

IHC sail data is our preference for IRC Endorsed certificates.  Please submit data to on an IRC sail input form and ensure all the information is completed, including the IRC serial number for each measured sail.  If you do not have the current IRC sail input form please contact the Rating Office.

For more information on IHC and for UK sail lofts looking at becoming IHC registered please see the RYA website or contact the RYA

Sail data monthly listing

A full data listing is available for sailmakers. A full updated listing is sent at the beginning of each month.
The IRC Sailmakers data listing contains the following information:

  • Design
  • Yacht name
  • Rig data
  • Sail data

Listings are sent as a .xlsx file by e-mail.

We regret that we are not able to give rig or sail measurements over the phone to sailmakers who do not subscribe.

In order to subscribe, please e-mail for a form, since the fee reduces during the year, thank you.

Royal Ocean Racing Club Rating Office
Seahorse Rating Ltd
Office M, Anchor House, Bath Road Lymington, Hampshire SO41 3YJ UK
+44 (0) 1590 677030