so an intimate knowledge of the waves, the surfers around you and where they are going to be is important. might shed a boulder or two upon us! in fact all of the cards on this list are first year free so you can try them out at no cost and decide later on if the card is right for you. very nice feature, very useful for printing purposes. a third class medical certificate is valid for 24 months if you're age 40 or older or for 60 months if you're under 40 years old. along the way, the words and pages become art. 