Wreck Diver 2 consists of refining the already excellent skills in wreck and decompression diving. Thereafter, at least three wreck dives deeper than 40 meters containing decompression with at least one gas change
During the course, helium-based bottom gas, equivalent narcosis depth (END) is a maximum of 30 meters, shallower if the circumstances so require.
Decompression gases used during the course are EAN50 and or 100% O2.
Maximum depth during this course is 55 meters.
After passing the Wreck Diver 2 course, you have learned to plan and execute a wreck dive with penetration and decompression with at least one gas change.
Prerequisite Wreck Diver 2
Students must be at least 20 years old
Good physical and mental health
Students must be Technical Diver 1 and Wreck Diver 1 educated or equivalent in other organization
Have at least 200 logged dives
At least 20 decompression dives with gas switching
Performed at least 100 dives with equipment that requires the course (excluding stage cylinder)
Simultaneous use of several different propulsion technique to maneuver forward, backward, and to turn
Demonstrate very good balance in both the dive and during the ascent, to keep the same depth for 20 min + - 0.5 meters
For more info see Course standards