Cours de Recycleur

STDA favorise l'entraînement recycleur à travers trois niveaux de base et trois niveaux avancés.

2017 Reb flow chart no logo

Les plongeurs déjà certifiés en circuit ouvert commencent le cours «Intro to Rebreather - Adv», le cours principal de la formation CCR STDA. L'avancement est de suivre les cours CCR 1 et CCR 2 pour les sous-marins possédant déjà une certification en circuit ouvert.

STDA fournit également le cours de débutant sans aucune certification de circuit ouvert avec le programme 'Intro to Rebreather - Basic', à ce jour seulement avec aSCR Explorer Hollis.

For all the courses it's possible to attend the theory sessions through the web. In this way you can use your time at the best. Same thing if you want to come in Italy to attend your courses. You can do the theory lessons before your coming. Contact us for more info:

Currently 'STDA' considers as rebreather of reference the followings:


Why CCR rebreathers?

Theoretically talking, the Closed Circuit Rebreathers are considered the 'state of the art' of scuba diving. In the past, the development of these systems, faced many stops but in the new millenium, in particular with the huge improvement of electronics technology, the closed circuit rebreathers started to have a wide diffusion. The reasons were quite obvious from long time: using for deep and/or long dives a rare, strategic and always more expensive gas as helium, the most efficient system was and is without any doubt the CCR system. CCR have also an other big advantage: a CCR is really lighter (26-36kg) than OC double tanks (>40kg minimum) or a pSCR (>45kg minimum). Your back will thank you.

Moreover, during the years STDA has acquired evidence that CCR diving decrease the risk of DCS in divers affected by PFO.

Marco Valenti, STDA founder, believes in this system for many years. He's a CCR user since 2004. He's a CCR Instructor Trainer, developer and tester.

Keeping always in mind that is a different way of diving, generally more complex, CCR needs a different appproach than the open circuit. This means that it is not obvious that an experienced open circuit diver is automatically suitable for the use of a CCR. The history and the direct experience in training have brought out it clearly.

For these reasons, STDA stares at the training mainly on rebreather diving, with the goal to develop the use of rebreather also in recreational diving. What it's needed, it's the 'right' rebreather and training.

Congratulatins to Paolo B. that today concluded his 'Into to Reb- Adv' course with XCCR rebrather by iQsub. The schedule started with theory sessions through the web, followed by dry-lab sessions,...
In the month of October is scheduled a 'drysuit diver' course. A 20% discount will be applied to the first person will subscribe to the course. The program provides theory session, a shallow water...
The 27th of September will start a 'Fundamentals-Intro to Tech' course STDA. The program aims to introduce certifid divers to the use of hogatian configuration and DIR philosophy. The course will...
01/12/2019-22/12/2019 STDA HQ - Lake Garda Italy, Recreational Instructor Course X-OVER

30/11/2019-01/12/2019 Riva del Garda, 2019 Monthly - X-OVER Recreational Instructor STDA

27/11/2019-29/11/2019 Trento- Lago di Garda, Fundamentals - Intro to Tech

22/11/2019-24/11/2019 Trento- Lago di Garda, Fundamentals - Intro to Tech

CCR 1 course (STDA™)


The 'CCR 1' course aims to continuing the training of the 'Intro to rebreather' certified diver and develops theoretical and practical knowledge through theory, 'dry lab' and confined water sessions. At the end follow the open water dives with decompression and the use of Tri-mix. The program included a refresh of the basic knowledge going on with the development of the decompression theory and procedures, technical diving skills and emergency procedures like open circuit bail-out and decompression. At the end of the course the diver will be able to dive till maximum 50 meters depth using Tri-Mix, aplaying all the decompression procedures, Mnemonic Dive Planning included. Divers already certified as 'Intro to Rebreather' and Tri-mix 60 meters in open circuit, can attend the 'CCR 1' program together with 'CCR 2' course; the diver will be able to continue in 'CCR 2' program, once the 'CCR 1' will be concluded positively


  • be certified 'Intro to Rebreather' or equivalent
  • medical certificate not older than one year; recommended PFO examination (Patent foramen ovale)
  • minimum age: 19 years old
  • documented experience of at least 45 hours of dives with rebreather

Before the course start, the instructor could ask to do a rebreather dive to evaluate the level of training of the candidate.

Program and duration of the course with 3 students

Diver without Open Circuit
Tri-mix 50mt certification

Diver with Open Circuit
Tri-mix 50mt certification

minimum days: on-line theory + 6 days

minimum days: on-line theory + 5 days

theory, including 'dry' labs: minimum 12 hours

theory, including 'dry' labs: minimum 10 hours

Theory sessions: 6

Theory sessions: 5

Final assessment: quizzes with multiple choice

Final assessment: quizzes with multiple choice

Maximum percentage of allowed wrong answer: 20%

Maximum percentage of allowed wrong answer: 20%

Exceeding the maximum allowable percentage leads to the conclusion of the course

Exceeding the maximum allowable percentage leads to the conclusion of the course

Confined water sessions: minimum 2

Confined water sessions: minimum 1

Open water dives: minimum 6 with a cumulated run time of minimum 340 minutes

Open water dives: minimum 4 with a cumulated run time of minimum 240 minutes

The maximum time for completion of the course: 6 months that if exceeded, the course must be repeated entirely

The maximum time for completion of the course: 6 months that if exceeded, the course must be repeated entirely

Certification limits

  • Max depth: 50 meters with mandatory out-board bail-out tanks with adequate mixtures and volumes (liters of the mix)
  • Max pO2, set point: 1,2 ata
  • Diluent allowed: Tri-Mix - Max fHe 0,50 - 0,18≤ fO2≤ 0,20

The certification doesn't allow to dive in overhead environment (cavern, cave, wreck, underice etc) and 'SOLO' diving

Rough prices: on request (

NOT included: mixes, instructor 'room and board' for other locations, boats if needed and extra days for training or delays due to adverse weather conditions.

Extra training day cost: 200€/day





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