SSI certification Navigation In this program you will learn the skills and methods, to navigate safely and relaxed while diving. You will learn how to use a compass and natural navigation techniques, estimate distance, swim basic navigation patterns and return to your starting point. Upon completion of the program, you will receive the SSI Navigation specialty certification.Details Minimum age to participate: 10 years old.Required certification: Open Water Diver.Theory lessons: Online. Number of lessons in pool/conditioned water: Optional. Number of outdoor dives: 2. Maximum depth: varies by age. Recommended course length: 6-10 hours.