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*IF* it is a PADI OW course you will practice CESA horizontally in a pool or other confined water then you will practice it vertically in open water from a depth of 20-25 feet. This is not a difficult skill.

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Why not here?

That happens during holidays, and sometimes on weekends, but not often. I rarely see it happen otherwise. Full Disclosure: I have worked there as a captain & still do sometimes.

That is an impressive list of dive sites!!

@rsingler @Duke Dive Medicine

I stand corrected. I will not divulge the rest of my thoughts on :76feet:this person because if I did, I would likely be banned from this thread.

Jeff Bozanic is NOT a scientist. His doctorate is in English literature or something close to it.

Yea, pretty much. Practice, practice, practice until the skill is embedded into muscle memory.

Instructors that follow standards and REQUIRE MASTERY LEARNING.

Not all tec dives are made in cool/cold water. As I stated above. It's not unusual for the water temps to be in the 80s (F) at 270 feet in the Gulfstream. I have done "Tec" dives in a bathing suit and a rash guard. @Doc Harry c'mon don't be so geo centric. :poke:

How many times have you had the cattle boat/inexperienced guide experience at RR?

No. I used to dive the ex-USS Wilkes-Barre that rests in 270 fsw with a 3-mil shorty.

I taught my first PADI scuba diver course in 1974 at a local college. It was not for credit class. Graduates had divemaster level knowledge upon graduation.

Good idea. I am very careful with storage too. There are small wires that can break if the thing is not stowed properly/gently.

No. But some divers think it is the only way to do it right.

This is a Dive Rite LX20+ handheld light. I have made probably 150-200 dives with it. Specs can be found At This Link. It comes with a Quick Release Mount (QRM), a soft hand mount with QRM, a charger and the four original batteries. I used this light again Thursday Feb 20, 2025 for over two...

Thank you for your service.

My apologies. I missed it.

Circa 1998 - I was on Oahu, diving the YO wreck on the Atlantis submersible tour route basically off Waikiki. The crew asked me to buddy up with a gal who was a novice diver but certified to dive 90 feet deep. I agreed to buddy with her. On the bottom somewhere around 90 fsw she started...