The international A class catamaran

        The A class catamaran rules as written in 1967  are still straight, simple and fair:

        length : max 5.49 m;   Width: max 2.30 m;  Sailarea including mast :  13,94 sqm

        >  read more .........

measurement certificate in word

measurement forms mast, sail, boom

A class measurement guidelines in PDF

general calculation measurement forms in Excel

Recent articles in the International press

 

  "when the flag drops"    by Pete Melvin in seahorse international sailing , january 2005

   

      "Ergonomic dream"  by Pete Melvin in  seahorse international sailing , November 2003

       

     "A is for awesome"  by ben Hall in seahorse international sailing ,  January  2001