Normoxic Trimix in Mod 1???

jiseson

there is a difference between a knowledge base and availibility-as an adv tri oc diver one can always get their 120 filled with dil mixes and just....

__________________
Jonathan D Iseson

Decodiver

I would suggest you do a normoxic trimix course, don't worry about the agency, worry more about the instructor.

Link here:

Zero Gravity Diving - Training MOD 2 CCR

Cheers,

Dave Cooper.

__________________
CCR/OC Trimix Instructor Trainer
CCR Training to Mixed Gas in Switzerland, France, UK & Germany on
Megalodon/COPIS-Megalodon/KISS/Sport KISS/Ouroboros/rEvo/Inspiration/Evolution/Sentinel

www.zerogravitydiving.com

Rebreather World Terms & Conditions

jkaterenchuk

Not to seem like a know it all but I believe ANDI TSD is NOT a trimix cert course. They do have a TSD equivalent course that you can take on CCR its call TRD. Both allow 50m with 30min deco. It fresh in my mind since i just completed a combined TRD/TSD course. Only did the TSD part because I never used doubles before moving to CCR and I wanted to know about my buddies gear just in case.

John

hillbilly

Yes your right about the TSD "Not" being a trimix cert course, but in order to do the TRD, you need the TSD as a prereq.

hillbilly

Scott,

I currently don't have Trimix OC. Decided to go with a CCR instead of doubles.

According to ANDI standards, you need the TSD as a prereq for the TRD (Trimix) ccr course. Reasoning behind it? Not sure....

jradomski

All the gas planning and emergency procedures.. If a diver does not have TSD they can take a combined class.. They do all the knowledge required in TSD plus the academics required for TRD..

For the dives you do a minimum of 8 dives instead of 4 but all on a CCR..

TRD is NOT a trimix class.. Its a air dil 50m, 30 min deco class.. If you already have a TSD rating, you can do a combined TRD/TTR class or do a TTR class on its own.. (TTR = Technical Trimix)..

As an adder to TRD, TTR is 2 dives, on its own its 4 dives..

__________________
Joe Radomski
CCR Trimix Instructor Trainer
ANDI Instructor Trainer Director #10

All posts are personal opinions and DO NOT reflect any affiliated agency unless specifically stated.

wearypanda

Dave, thanks for that. That looks exactly right. Cheers
Andrew

Dave Sutton

You are "allowed" to do anything you like: We're not dealing with law here.

Courses TRAIN YOU to do a certain thing in accordance with some published curriculum. They don't "allow you" to do anything.

On a beach dive, you are "allowed" to do anything you choose to do, unless the Fish-Cops demand you show a dive flag from your float (try that for a 190 foot beach dive.. off of Castle Hill here.. ever tow a float in 190 feet of water? Fish-Cops insist it's "The LAW")

On a boat dive you are allowed to do *anything* the Captain choses to let you do. As for this Captain, I'd be far less likely to allow you to dive air to 50 meters in 2 meter visibility on a wreck no matter what your C-Card says, than I would be to allow you to dive that same depth using normoxic trimix no matter what C-Card you carry. One is safer than the other, so which one has a better chance of bring the diver back to the deck safely? That, after all, is the *goal*, isn't it? Yes, I would encourage a diver to seek proper training. Its the definition of "Proper" that's the key here. Don't die, OK?


Dave

.

__________________
.

"All animals are equal, but some animals are more equal than others"


Professional Small Boy: Never Successfully Cubicled.

jkaterenchuk

Dave

Thanks for your concern for my safety.

I think you are reading too much into my words. I was simply quoting the ANDI course standards. I have narcosis issues diving in the quarry past 30M with low vis and cold water. Would not even think about it as a possibility off your ship in those conditions.

What really would be useful would be to see a healthy discussion on Rebreather World regarding what is a clear definition of "Proper" training. That might show how, why and the relative value that each instructor and their experience brings to a course beyond the written standards and procedures.

With your extensive experience I would be highly interested in your perspective. Care to start a seperate thread?

John

Dave Sutton

Couldn't agree more, and I'll let others lead the charge. I have one foot in each world: One as a "Card Carrying Instructor" and one as a "East Coast Cowboy", so maybe I ought to keep my mouth shut and my ears open on this one.

The bottom line, though, not to step on any toes, is that normoxic diluent CCR trimix with reasonable deco limits is really no more complex than Nitrox. If you cannot learn anough about it in a half-day lecture, then you are probably a slow learner and ought to not be doing it at all. It's FAR safer than using air diluent anytime you're below about 30 meters... and with the truth being that 30-40 meters is an average 'shallow' dive here in our basic monofiliment fishing line encrusted shipwreck with 2 meter visibility environment, I'd rather not stand on protocol and prevent divers from being clear headed in the murk. As I said, we often give gas to non-gas-certified divers for 30-40 meter diving, by simply doing a good discussion, checking their profiles, and sending them off the side of the boat. We *encourage* later participation in formal class, but for the one-day period, I'd rather personally supervise them on gas than send them off with air. With a 1:1 ratio between "divers sent off the boat" and "divers brought back to the dock" we're fairly happy with the results...


Dave

__________________
.

"All animals are equal, but some animals are more equal than others"


Professional Small Boy: Never Successfully Cubicled.