For those who are interested Prof Simon Mitchell gave a talk to the BSAC Diving Conference in 2019 which is relevant to this thread.
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Ok doing a verbal check is also a buddy check in my opinion. But one problem would not be detected: turning air on and then off. Gauge/computer reads air on and after 3 breaths..
Also if the IP has a problem, you are able to see it(moving needle while breathing).
But jeah, checking the reg and boyancy is the important part of the buddy check in my opinion.
For those who are interested Prof Simon Mitchell gave a talk to the BSAC Diving Conference in 2019 which is relevant to this thread.
The main point was having someone ask if, for example, the gas was on and working. Not the silent self check.Thanks. That is an excellent presentation.
Prof Mitchell talked more about rebreathers than open circuit. He wants checklists reduced to what he called the "Killer Four" items that, if forgot, could kill someone and that are in fact implicated in a lot of deaths. Short enough that people really will use them. Focused on things that do get forgot and do kill people.
He included a brief shot of a recreational dive checklist that was used in a study he cited, but he said that that checklist was too detailed and needed refining.
Not long ago on another thread related to safety, I said I would embrace a good checklist for recreational divers but had never seen one. I asked if anyone had one to share, but no one responded. So what are the Killer Four for open circuit recreational dives within no decompression limits? My guess would start with making sure the air valve is open. What else needs to be there?