RORC Rating Office RORC Rating Office IRC Rating Certificate
RORC Rating Office

RORC Rating Office

The RORC Rating Office is part of the Royal Ocean Racing Club. We are an internationally renowned centre of technical excellence for boat measurement, rating, safety, and class technical consultancy.

The Rating Office is based in Lymington in the UK with a small team of full-time staff who issue IRC and YTC rating certificates and provide technical services to the sailing industry, sailors, sailing clubs and event organisers.

Our Services

IRC Rating Rule

IRC Rating Rule

An IRC rating allows different designs of boats to race fairly together. Standard production boats, classics, custom designs, sportboats and high tech racing yachts are all welcome.
More Information

Measurement

Measurement

If you would like your boat weighed and /or measured, RORC have several measurers around the UK.
More Information

Sail Numbers

Sail Numbers

Yachts racing under the Racing Rules of Sailing must hold an approved sail number. This sail number shall be displayed in accordance with RRS 77, Identification on Sails.
More Information

Class Administration

Class Administration

RORC Rating office offers technical consultancy for classes.
More Information

Latest News

IRC 2026 information

We hope that you have had a good season’s racing this year. Please note that IRC applications for 2025 are now closed to allow us …

Read More

 

World Sailing Storm Jib rule change

As of 25 November 2025, World Sailing has adopted an urgent rule change to the Offshore Special Regulations: a storm jib may no longer be …

Read More

 

Eurosail News

Brought to you by Seahorse magazine and Yachtscoring.com, EuroSail News is a digest of sailing news and opinions, regatta results, new boat and gear information and letters from sailors.

More Information

RORC Rating Office News

Read the Latest News   Subscribe to E-News

Search rorcrating.com