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.
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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) |
ORCi and ORCc The ORC International and Club rating system. With a complete set of measurements of the hull with appendages, propellor, stability, rig and sails, it is then possible to use a Velocity Prediction computer program to calculate the theoretical speeds for the boat in various wind conditions. ORCi Certificate : Fully measured ORCc Certificate : Owner measured (subset of ORCi data) |
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. |
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| Continue to IRC | Continue to ORC | Click here for CBH applications | |||
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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. |
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. |
Dinghy & Catamaran Yardsticks Australian Sailing provides lists of yardsticks for dinghies and off-the-beach catamarans. |
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| Click for Measurer list | Click for Class Certificates | Click here for Yardsticks | |||
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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. |
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. |
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. |
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| Click here for Sail Numbers | Committee Terms of Reference | Measurement and Weighing |
