The objective of this course is to train divers how to plan and conduct a standard staged tri-mix decompression dive, with the use of multiple stage cylinders to a maximum depth of 90msw.

This course examines the theory, methods and procedures of planned multi stage tri mix decompression dives.

Advanced dive safety skills are thought and mastered by the diver before completion of the course. Course content totals four hours theory and four-six dives.

Prerequisites for this course:

• Exended Range Diver Or equilivant
• 100 dives with at least 25 exceeding 30 metres
• 10 exceeding 40m.
• Minimum age 18 years.
• Course cost:$1150(minimum 2 people, excludes all gas)