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Do you mind providing some reliable sources about this? I found one that looks very reliable agreeing with you: https://www.emergency-live.com/equipment/aed-with-rain-and-wet-guideline-to-the-use-in-particular-environment-for-laypersons-an-interisting-review/ However, I looked a bit more around...

You are right. Procedures must be consistent and equipment compatible. This is why you need to show proper management of the canister light during any Tec course at least once. This is mandatory. Whether an instructor would allow you or not to do the rest of the course with a cordless light is...

I am with @berndo here. Cordless lights are enough at C1 level; I think if you want to do the course with a cordless light, it's gonna be okay, although at least one day, the instructor will probably ask you to dive with a canister light to show you can manage the hoses during the S-drill...

If it's the right tool, yes

Agreed. What non-scientific divers can do is support. I myself collected samples under the supervision of a Canadian geology professor in Sardinia (he was diving with us). I know (not personally, just by name) an Italian professor of geology who is also a cave diver, and for her projects, she...

Which course are you referring to? Scientific diving? To @penguinnn , I can only speak for GUE in Europe. Here there are literally tons of projects. I have been looking for WWII airplanes in Sicily (fundamental level sufficient for some of these dives), mapping and analyzing caves in Sardinia...

She says "... isn't always human error" 180, 170, 160, 160 I am speechless

Overall, if you are sure you want to increase your skills, I would: Evaluate your basic skills with a tec instructor; if they are outstanding, skip to point 3; otherwise, go to point 2 (basic skills = trim, buoyancy, finning techniques, sharing gas drills, SMB deployment, mask switching, team...

I would die

As far as I know, there are multiple owners. One is the GUE IE working there, the other is another diver; they are buddies, so GUE or not (I actually think he is), the other owner is comfortable with GUE standards. They initially did not want to be a GUE diving center for a series of reasons...

I don't know what is your idea of GUE vs. not-GUE dive shop, but they are a GUE premium dive center: https://www.gue.com/gue-affiliated-dive-centers They choose it and are happy with it. Whether some people want to avoid them or not, for whatever reason, is none of my business, and they surely...

They are actually quite open to divers from any agency, but feel free to do as you wish :) My point was more in terms of training, but as you can see above, I was not very precise (instructors from other agencies regularly teach there)

Didn't know the guy... But he doesn't do caves (at least, they are not sponsored on his website) @Mohowael , forget my post above. Base1 is indeed a GUE center, but they invite relatively often non-GUE instructors. I think Audrey Cudel, for example, who is a 100% side-mount instructor, went...

Spot-on. But, as I think you implied, the Lot should be okay for an intro-to-cave; there is a sufficient variety of caves with relatively easy access and many instructors. In Sardinia, I only know Cala Gonone's area. It's cool, with at least four systems diveable at the intro level, a terrific...

Why halfway to Trimix? Trimix is the standard below 30m with GUE...

If I recall correctly, it doesn't allow deco if you do not have specific training (and, personally, I agree with it). EDIT: apparently, I don't recall correctly, see next post :) @steinbil and @Lorenzoid, thanks for your interest. I did it in Sardinia with "Mara," on September 2022. Mara is...

I would try to understand, in this order: 1 - if there was a standard violation 2 - why the instructor behaved this way 3 - if you learned less than you should have I don't know RAID's standard unfortunately, so I can't help. If I remember correctly, @RainPilot is a RAID instructor trainer and...

Great reading! Look at the fast vs slow tissues thing - I don't remember which chapter honestly... Anyway, you'll find the explanation why you may on-gas even during the ascent ("slow" tissues do that). If you don't get it, feel free to send a pm (or better open a new thread and tag @Duke Dive...

@RXTdiver @kaylee_ann this is usually a suggestion for those entering the tech realm, but given the type of questions you are giving, maybe you want to have a look: Deco for Divers, by Mark Powell (Amazon) My version is a bit old, and some concepts are not up to date, but the basic principles...

@Waterwulf, thanks for posting this experience!