About CCR

2015 configuraz STDA piccolaIn the 2008 STDA has been the first diving school and then agency to introduce the standard and procedures of the 'flying connection' to the bottom mix & deco bail-out tanks. This standard and procedures have been developed during the years and are part of the holistic rebreather training system of STDA. From 2005 Marco Valenti has started to develop specific decompression procedures with CCR puting them in STDA rebreather programs. The decompression system works in the range of 0-130 mts and actually it seems to have reach the limit.

Only few and selected CCR are considered in STDA training; they must have:

  • 2 redundant display with 2 indipendent power supply; in case of a display and HUD, at least a 'stand alone' CCR computer is requested
  • manual oxygen injection on exhale conterlung,
  • Front Mounted CounterLungs (FMCL) suggested
  • BOV (suggested Golem Gear IQSub BOV type that allows the reverse diluent flush of the loop)

Currently STDA doesn't propose decompression training courses with eCCR rebreathers designed with only one display/electronic and the HUD (in this case at least a stand alone computer is needed), and/or with the oxygen manual valve on the inhale counterlung.

In our opinion:

  • support the concept that during a decompression dive the HUD is enough to manage the emergency of the failure of the only one electronic/display is a falsehood, that can only help the manufacturer to keep the rebreather cost lower;
  • support the concept that a rebreather with the oxygen manual valve on the inhale counterlung is safe, it's a falsehood
  • support that backmounted CL have the same safety level in managing emergency and safety drills than on the shoulder CL it's an other falsehood: this concept has to be very clear to each STDA CCR instructor and has to be explained to CCR diver that chooses the backmounted option, using the STDA comparative table

These points are derived from the simple observations of problems and accidents directly and indirectly observed in water during years of training (since 2005) and dives that have highlighted the problems leaving no room for doubts.

This does not exclude that in the future design improvements can lead to reconsider things.

 

2015 configuraz STDA 4 piccola

In these days there will be an update via webinar for STDA recreational instructors, regarding the dry suit courses.New presentation and support video for the theoretical part to facilitate the...
The 28th of September will take place a 'CCR Refresh' workshop. The program aims to refresh all fundamentals skills for divers that stopped scuba diving for a while and want to repeat and take...
Congratulations to Romina and Stefano that in the week end finished their XCCR x-over program. As always STDA's x-over develops through dry lab sessions about configuration, electronic workshop...
15/10/2020-25/10/2020 Lago di Garda - Italy, Drysuit Diver STDA

19/10/2020-20/10/2020 , Recreational instructor Update

26/09/2020-27/09/2020 Lago di Garda - Trento, Recreational Instructor Course X-OVER

03/10/2020-04/10/2020 Lago di Garda - Trento, Recreational Instructor Course X-OVER

22/09/2020-28/09/2020 Lake Garda - Italy, Intro to Rebreather - Deep

16/10/2020-25/10/2020 Lake Garda - Italy, CCR 1

28/09/2020-28/09/2020 Lake Garda - Italy, CCR REFRESH Workshop
 
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