For those with sailing experience, ASA offers sailors the opportunity to Challenge the Standard. You are required to pass both a written and an on-the-water practical exam without instruction. Your instructor will ask you to perform the practical skills listed in the ASA log book for the level chosen. You must receive a grade of 100% in order to take the written part of the exam. Then, if you pass the written exam with a minimum grade of 80%, you will be approved for the appropriate certificate. The cost of the Challenge includes an ASA Official Certification Log book and 1-year ASA membership.