| TDI
ENTRY LEVEL TRI-MIX COURSE
POA
The TDI Entry Level Tri-Mix Course provides the training required
to competently and safely utilise breathing gases containing helium
for dives that require staged decompression. The objective of this
course is to teach you the benefits and correct procedures of utilising
custom oxygen/helium/nitrogen mixtures as breathing gases to a maximum
depth of 60msw.
The course comprises of four dives, two of which are to be deeper
than 40msw, and one day of theory. If you are qualified to extended
range two dives may be credited towards this course.
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