State what are the fraction of oxygen and the fraction of helium for recreational trimix.
Be able to State 2 benefits of recreational trimix.
Calculate gas consumption, O2 and N2 absorption and narcosis depth for each dive.
Be able to analyze, properly mark and identify a recreational trimix gas mixture.
State 3 additional pieces of equipment you may need when diving recreational trimix.
Understand the 4 principles of decompression theory.
Be able to name 4 signs of decompression sickness.
Name 4 steps to take in the event of a decompression accident.
Be able to calculate the following: Gas density; Equivalent Narcotic Depth; best fraction of oxygen for a given depth; Maximum operating depth of a mix; total pressure at depth; and the partial pressure of a gas.
Plan and execute safe Trimix dives with different depths, times and gas mixes