Improved Rating Rule for Classic Yachts

Published on April 13th, 2017

The Classic Yacht Owners Association (CYOA) Technical Committee has completed a 10 month analysis and revision of the original classic yacht rating formula. The result has been the launch of the new Classic Rating Formula (CRF) for classic yachts for the 2017 New England season.

“We have worked together to develop a comprehensive reformulation that has been informally dubbed ‘CRF-MkII’,” reports Robert Stephens of Stephens Waring Yacht Design and a member of the CYOA Technical Committee.

“This MkII version of CRF is based on the essentials of the International Offshore Rule (IOR),” Stephens continued. “The primary objectives of the reformulation include removing subjective tools in the formula, creating an all data driven numerical result, bringing full transparency of the rule and ratings to the public, and streamlining the whole process from application to certificate distribution through an upgraded single purpose.”

CRF Chief Administrator, Chris Wick, will continue the management and issuing of certificates through the CRF website. All yachts competing in classic yacht events or classic divisions need a new CRF-MKII rating. For 2017, the $50 fee for the CRF MKII certificate will be complimentary and paid for by the CYOA. To apply for a CRF-MKII rating go to

Adam Langerman, of Herreshoff Designs, Inc. will provide additional administrative support and owners will continue to be responsible for obtaining their rating certificate and for making sure that the data they declare accurately represents the configuration of their boat as she is raced.

The CYOA was formed in 2015 to advance the common interests of classic yacht owners, to improve communication between them, and to foster increased participation in classic yachting events throughout New England and beyond.

For more information, or to become one of the 200-and-counting members, please contact Clark Poston at or visit our website

Source: Clark Poston

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