This course is to provide the diver with the knowledge and skills to plan and make deep dives while minimizing risks and avoiding the need for stage decompression. Deep diving is defined as dives made between 60 (18 m) and 130 feet (40 m). Training dives are not to be conducted beyond 130 feet (40 m).
Coverage is to include purpose, problems, hazards, planning, preparation, equipment (additions and modifications), air supplies, personnel, techniques, gas management, emergency procedures (including location and transportation to a hyperbaric chamber) and depth limits for recreational diving. Decompression procedures are to include nitrogen narcosis and decompression sickness (definition, cause, symptoms, signs, first aid and prevention) history of decompression, concepts, use of dive computers, definition of terms, problems, principles and techniques. Complete coverage of Repetitive Dive Tables, work sheets, problem solutions, exceptions and dive planning are also to be included. Altitude diving, flying after diving and hyperbaric chamber access and operation shall be included, as well as other short- and long-term deep diving hazards.
Age: Minimum is 18 years.
Certification: NAUI Advanced Scuba Diver certification or the equivalent is required. The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so.