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hillbilly · 21st January 2008, 23:12

Quote: (Originally Posted by 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,

Thanks for the correction on the TRD.

Couldn't you do the TSD theory/practical and TTR combined. I had a look again at ANDI's site and it shows TTR (Prereq as TSD). Not really keen on diving air as a dil to 50m for the TRD course. I don't have an issue with the TSD, but they should have it available as a CCR course.

21st January 2008, 23:12	#44 (permalink)
hillbilly New Member Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Sep 2006 Location: Edmonton Posts: 38	Re: Normoxic Trimix in Mod 1??? Quote: (Originally Posted by 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, Thanks for the correction on the TRD. Couldn't you do the TSD theory/practical and TTR combined. I had a look again at ANDI's site and it shows TTR (Prereq as TSD). Not really keen on diving air as a dil to 50m for the TRD course. I don't have an issue with the TSD, but they should have it available as a CCR course. Last edited by hillbilly : 21st January 2008 at 23:15.
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