IANTD Recreational Logbook - Recommended 5 1/2" x 9" format was specially designed fsw (msw), to be used with all Recreational Diver Programs including Deep Air and Advanced Nitrox. Includes a Training Record, Contact Information, Quick Formula Reference Guide, UPTD/OTU and CNS Tables, Diving Accident Management Flow Chart, Dive Buddy Record, and the IANTD Dive Planner.