Professional Practices and Responsibilities – The Professional Practices and Responsibilities (PPR) certificate is a compulsory online course for new and revalidating RYA Commercial Endorsement holders. This course teaches the rules and regulations that professional seafarers are expected to understand and comply with. It comprises four training modules and a final assessment. Solaris Sailing will provide remote access to an instructor who will be on hand to help if you have any queries during the online course. This course can be completed anytime prior to Commercial Endorsement application or renewal and will be valid either for the first Commercial Endorsement application or next renewal.