Last Update: 07 May 2013, 23:45 GMT
The OK Dinghy International Association (OKDIA) is the organization for sailing in the International OK-Dinghy class.
The OK Dinghy is a 4m long single-handed sailing racing dinghy.
The design of the OK dinghy celebrated it's 50th anniversary in 2007.
For more information on upcoming events, go here.