The IACA technical committee and World Sailing agree a clarification. A rudder hanging clarification was posted on the IACA website 27/1/16 to clarify our interpretation of rudder hangings and since that time the issue has been raised by a number of individuals and measurers as to how this interpretation can be ruled on and how a sailor is to know if he is class legal or not. As stated in my advise of 27/1/16 the original interpretation was put in place to restrict the use of