Open circuit courses

STDA proposes scuba diving courses with 3 recreational levels (from beginners to advanced) and 3 for decompression diving. For divers that come from oher agencies that want to go on with STDA advanced diving and don't know the hogartian configuration and the DIR approach, the first course is the 'Fundamentals - Intro to Tech'.

  • R1 - Open Water Diver
  • R2 - Advanced Open Water Diver
  • R2 Deep - (includes the Rescue Module)
  • EANx Diver - (R1 & R2 course sections)
  • Fundamentals - Intro to Tech
  • T 1 - Trimix Decompression 50 mts
  • T 2 - Trimix decompression 60 mts
  • T 3 - Trimix Decompression 80 mts

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 at:


20190731 Flowchart corsi OC manuali

Inizia nei prossimi giorni un nuovo corso 'Intro to Reb- Adv' su rebreather XCCR. Il corso si suddivide come sempre tra sessioni di teoria on-line, laboratori a secco, sessioni di basso fondale ed...
Good day, everybody. An x-over program for rebreather instructors on XCCR has been scheduled for January. The aim of the course is to introduce the rebreather instructor to the use and teaching...
Buon giorno a tutti. Nel prossimo week end è in programma una 'Trimix Experience' STDA. I partecipanti proveranno per la prima volta una miscela Trimix entro i limiti di certificazione in...
04/01/2022-09/01/2022 Lago di Garda - Lake Garda, OC Trimix Trial dive, registration - Immersione di prova Trimix per subacquei certificati in circuito aperto, registrazione

17/12/2021-20/12/2021 Sicilia - MIlazzo, 2021 - X-CCR rebreather x-over Workshop

08/01/2022-16/01/2022 Lake Garda Italy, 2021 - X-CCR rebreather x-over Workshop

28/12/2021-30/01/2022 Trento - Lago di Garda, Intro to Rebreather-Advanced

28/01/2022-15/03/2022 Malè Riva del Garda, R2 Deep

R1 course -open water diver


The R1 course aims to introduce the beginner into the underwater world, through theory, 'dry' lab sessions, confined water and open water dives.

During the program the diver will learn to use different gas like air and enriched air nitrox. At the end of the training the diver will be able to dive inside safety limits with a max depth of 18mts and always in team (with a buddy diver).


  • be a good swimmer, able to swim without stop at least for 250mts
  • be able to perform easily free dives till at least 2mts
  • medical certificate not older than 12 months; non smoker
  • minimum age: 18 years old or 15 years old with the written consent of a parent or legal guardian

Program and duration

minimum days: 6

theory: minimum 12 hours

Theory sessions: 6 - ratio instr/student: 1/8

Dry labs session: at least 1 - ratio instr/student: 1/8

Final assessment: quizzes with multiple choice

Maximum percentage of allowed wrong answer: 20%

Exceeding the maximum allowable percentage leads to the repetition of the quiz not before than 2 days

Confined water sessions: at least 4 - ratio instr/student: 1/4

Open water dives: minimum 4 with a cumulated run time of minimum 120 minutes - ratio instr/student: 1/3

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

Certification limits

  • Max depth: 18 mts
  • Max pO2, on the bottom: 1,3 ata
  • Usable mix: air and Enriched Air Nitrox 32
  • For all the mixes fO2 range: +/-0,01
  • Night, Decompression, overhead and Solo diving NOT permitted


750€ for training (manual + theory in classroom/web on-line, quiz, cw sessions and dives)

NOT included: mix, , 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

In case of 2 or more students and x-over, please contact the instructor for a quotation.

Blue Edge Srl
Via delle Ghiaie, 22
38122 Trento (TN) - Italy
t. +39 347 5041939
P.IVA IT 02127010227
Copyright © 2022 Blue Edge Srl

Questo sito utilizza cookie tecnici e cookie di terze parti, necessari per la fruizione del servizio.

Read info