Divers who would like to explore dive sites deeper that 18 metres can learn the necessary skills and acquire the knowledge with the PADI Deep Diver Specialty course. During 4 dives divers will gain confidence and learn to dive safely at depths down to 40 metres. The course covers specialised deep diving equipment, deep dive planning, buddy contact procedures and buoyancy control as well as gas supply management, dealing with gas narcosis and safety considerations. Certification as a PADI Deep Diver opens up more dive sites, especially wrecks.