Education almanac, with navigation tables. To be used with training cards 3 and 4, to be ordered separately. EDITOR: ROYAL YACHTING ASSOCIATION, GB-SOUTHAMPTONUPDATED RYA Training Almanac, Containing Practice Navigation Tables. Buy Separaly or in a Pack with Training Charts 3 and 4.Please Note that this product is for training purposes only, and is not to be used for navigation. Ref HP .