A great book to complement the RYA Competent Crew course The RYA Competent Crew Skills book is the official course notebook for the RYA Competent Crew Course but it is also essential reading for anyone who has limited yachting experience. It gives advice on basic crewing techniques an seamanship and is designed to help you make sense of your first few days on board a yacht. Part Number: RYA0490 Edition: 2017 ISBN: CCPCN Publisher: Royal Yachting Association Author: RYA Format: Paperback