Cavern navigation and line protocols
Planning, organization, techniques, problems and hazards of cavern diving
Special equipment use, such as lights, guidelines, reels and redundant breathing systems.
Air sharing, disorientation, silting, line problems and other emergency procedures specific to cavern diving.
Silt prevention, buoyancy control, air management and emergency procedures.
Depth and distant limits for cavern diving.
Certification counts toward the PADI Master Scuba Diver rating.