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Ratings & Measurement

Ratings & Measurement

Rating systems, handicaps and yardsticks, and class certification are what define a boat's equipment and how it is scored in a race. 

Classes are defined by measurement rules. Handicapping allows boats to compete across classes and allows boats and crews to compete based on performance and equipment on an equal basis.

Systems such as IRC, ORC International and ORC Club are independent data based ratings of a boat's performance potential and provide events scoring options that are scientific and unbiased. Superior to performance handicapping, clubs with keelboat fleets are encouraged to take advantage of these services.

To enquire about ratings email ratings@sailing.org.au (prefered) or phone 02 9170 6917. Please note business hours for the Rating Office are 9:00 to 16:30 Monday to Friday except Wednesday where the times are 9:00 to 12:00.

IRC

IRC rates measured data such as a boat’s weight, length, draft, rig and sail area, as well as special features like water ballast, canting keels and bowsprits, to allow a wide range of keel boats to compete against each other on a similar playing field.

Certificate type: Fully measured (Endorsed)

Continue to IRC 

ORCi and ORCc

The ORC International and Club rating system uses a full set of hull, rig and sail measurements to calculate theoretical boat speeds across wind conditions via a Velocity Prediction Program.

ORCi Certificate : Fully measured

ORCc Certificate : Owner measured (subset of ORCi data)

Continue to ORC

Australian Class Based Handicap (CBH)

CBH provides a National System for even and fair racing on handicap in a mixed fleet of Trailable Yachts and/or Sports Boats.

 

 

 

Click here for CBH applications

Measurers Listing

IRC, ORCi and CBH require measurements to be audited by an appointed measurer. This is the list of appointed measurers by state and their contact details.


Click for Measurer list

Class Measurement Certificates

It is a requirement, as per RRS Rule 78, that a boat’s owner and any other person in charge shall ensure that the boat is maintained to comply with the class rules, and that the measurement certificate remains valid.

Click for Class Certificates

Dinghy & Catamaran Yardsticks

Australian Sailing provides lists of yardsticks for dinghies and off-the-beach catamarans.

 

Click here for Yardsticks

Sail Numbers

Sail numbers are an important way of uniquely identifying a vessel for a variety of purposes. They are a requirement for racing, and could be critical in a search and rescue situation.

 

Click here for Sail Numbers

IRC/ORC Owners' Committee

The IRC/ORC Owners' Committee represents the interest of IRC and ORC rated boats on rating rule and policy changes, the role of appointed measurers, and the format of state and national Rating championships run by Australian Sailing.

Committee Terms of Reference

IRC/ORC Measurement and Weighing Days

If you are looking for measurement and weighing days which have been schedule anywhere around the country. All known sessions are listed here.

 

Measurement and Weighing

 

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