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Learn to plan and conduct dives requiring staged decompression using nitrox bottom gas and nitrox or oxygen decompression gas. A Technical Instructor covers decompression theory, gas calculations, oxygen exposure, equipment configuration and contingency planning. In-water work includes stage-cylinder handling, gas changes, controlled ascents, decompression stops and emergency procedures. The course requires at least six open-water dives, with a maximum training depth of 150 feet. Prerequisites are Master Scuba Diver and Introduction to Technical Diving certifications or equivalents, plus at least 50 logged dives, including 15 on nitrox. Training and qualification are limited to conditions and equipment comparable to those used during the course.

Prerequisites: Master Scuba Diver and Introduction to Technical Diving or equivalents; 50 logged dives including 15 on EANx. Minimum age: 18.

This course is performance-based, not attendance-based.

If additional dive days are needed to meet the standards, they're billed at $300 per day of diving.

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