RORC IRC European Champions crowned - The Maples Group IRC European Championship brought an exciting close to September’s ...

The International Standard defines 4 Design Categories for boats broadly related to ocean, offshore, coastal and local sailing. These are analogous (but not directly related) to the World Sailing ...

We often receive enquiries about the effect on IRC rating if items of fitted interior are removed, in particular from production boats, e.g. tables, doors, floorboards, standard fittings such as ...

b) IRC Displacement is directly related to Boat Weight. Any addition to Boat Weight will be reflected by a relative increase in IRC Displacement. c) The calculated value of DLR is rounded to the ...

Seahorse – the official magazine of the Royal Ocean Racing Club – continues to be the world’s foremost sailboat racing magazine. All IRC certificate holders can enjoy an automatic subscription to ...

mmoc is defined by ISO 12217-2. It is the anticipated minimum weight that the boat will be when in use.

The following IRC Rule changes were approved by Congress in October 2017: ...