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I'm not disagreeing, I still teach and drill BB.
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Recently, a large certification organization will soon discontinue the teaching of buddy breathing. I was wondering what divers thought of this. Do you feel that this skill is a valuable one, or archaic considering that redundant air sources are available to the diver?
I think even if someone thinks that it is not necessary anymore, it is still a skill which teach confidence in working together, controlling the breathing etc etc. They didn't teach me on my PADI some years ago
Recently, a large certification organization will soon discontinue the teaching of buddy breathing. I was wondering what divers thought of this. Do you feel that this skill is a valuable one, or archaic considering that redundant air sources are available to the diver?
Acceptable ascent rate has to do with exposure. It is possible to do a submarine escape from over 300 feet at more than 300 feet per minute without risk of DCS, because the exposure is rather short. An emergency ascent rate of 60 fpm is, from what I know, perfectly acceptable and rather unlikely to cause any problem. In point of fact, in the old days, divers who were timed on the ascents without their knowledge often had ascent rates of 100 or even 120 feet per minute, with exposures that went almost all the way out the then USN NDLs. I'd would not want to try that all the time,and in a pinch I'd much rather BB, but it is important that you have a realistic rather than alarmist assessment of the true risks.