Npp is way to go, we used the aga for years switched to the guardian. Saves our team money form inexperanced divers cranking the straps down and ripping the silicone skirt which then you need to replace it. I also like the SBV (surface breathing valve) for backup divers to be ready to to go...
I do like the idea of having OW and logged dives, but some of the best PSD I know didn't start out diving/ have any scuba experience prior.
Besides pool work all training done with us has been in black water. People who were certified and had years experience in crystal clear during rec dives...
Honestly I feel if your serious about psd, you should get trained by a instructor who specializes in it from the start. took 8monts to get mine and the training was intense from drown proofing on a regular basis, and the instructors ripping off you face mask and turning your tanks off I feel I...
We always had a problem with them, good tool but we search patterns like grapenel, and search foot by foot. Also we have used dogs, you need a article of clothing from the victim. And the dog can hit the sent on top of the water on a calm day. Mark that and continue on. If you get multiple hits...
Physical test prior is key, were volley but weed a lot of people out by some quick tests.
20- laps in pool in dry suite
2 - mile swim in drysuite or swim to boat in current. This gets rid of 40%
Drown proofing get rid of another 10%
After that people tend to stay, water time is key. People...
Honestly depends on the temp for item recovery I like to use the thinnest gloves possible so I can feel. I noticed inexperanced divers doing underwater extraction tend to slap the car or object. This can and will rip your gloves or skin. Move slow but with a purpose, lightly and carefully move...
Stay away from the mk20, they had a recall people I know have had failures. You can tell if it hasn't been Fixed because there will be 3 plastic vents instead of 2. Google search mk20 recall, I have one.
Honestly I wish I listened to my buddy a while ago. It's life support spend the most you...
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