The 50 logged Dives is for the Master Scuba Diver Certification. AOW is simply 3 Adventure Dives with an Instructor plus a Deep and Navigation Dive. Which would give you a total of 9 Dives... Additionally, you need 5 PADI Specialties. Not all PADI Specailities Have a dives associated with them. Equipment Specialist, Project AWARE Coral Reef Conservation, Project AWARE Specialist, and Enriched Air Diver are all Specialties that count toward Master Scuba Diver, which require no open water divers.