It would seem to me that deep air training has significant benefits as a precursor to mix training. The questions might be raised as to what level of deep air training someone would need. We all start diving air and then progress once those skills are learned (hopefully). I would guess that deep air diving in the 130 - 180 foot range would be very useful to allow divers to work with swing bottles and other equipment and to reduce problems associated with task loading at depth while under the influence of narcosis. My personnel feeling is that once comfortable with these skills at depth on a gas the diver is familiar with then progressing on to mix would be safer as well as making the concepts involved with mixed gas diving more easily understood. I don't agree with the tire analogy made and the statement that divers should go to the top technology immediately. Without a good foundation of acquired skills and learned reactions to situations the complexeties involved in planning and executing a mix dive would overwhelm most divers leaving the protective cover of the mainstream certifying agencies (padi,etc.). MRWConsult@ex*.co* /\/\/ --- � DeLuxe� 1.25 #11829 �
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