This course develops the minimum skills and knowledge for cavern diving. Planning, environment, procedures, techniques, problem solving, and other specialized needs of cavern diving are covered. Skills included are buoyancy control and trim, emergency procedures, line drills, and propulsion techniques. Accident analysis forms the basis of this learning experience. Special emphasis on the unique environment includes silting, entanglement, disorientation, and equipment modifications. This course is in no way intended to provide instruction for cave diving.

The course includes all instruction, four supervised cavern dives, and certification card. Students must provide their own scuba equipment configured with a 7' hose, the NSS Cavern Diving Manual, a reel, and lights.

Certification is available through NSS-CDS, NACD, and IANTD.

Minimum age: 15 years.