This is an introductory course that allows individuals to learn about specialties and diving activities of particular interest. Your confidence and skill as a diver will increase while you experience the excitement of learning more about the underwater world. BHAA includes the required 3 main specialty dives: deep dive, navigation, night/limited visibility dives. This course introduces the following specialty topics (note: these are not certifications): boat, altitude, search and recovery/light salvage, NITROX (EANx) for a total of 7 or 8 specialties.