The first and one of the most important courses, that introduces divers to the secrets of decompression diving (with the decompression ceiling). The program is designed for divers who want to expand their knowledge within the scope of Nitrox breathing gas mixtures and acquire knowledge in the field of decompression issues and oxygen use. You will also learn how to operate the additional side cylinder – stage. The training is focused on the development of theoretical knowledge and practical skills that a diver should possess, doing decompression diving at a maximum depth of 42m.
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Applicants for the program must:
• be 18 years of age
• have earned ISSF least Rescue Deep Diver and ISSF Basic Nitrox Diver rating or equivalent from another training agency as well as have acquired skills within this range and logged a minimum of 50 dives with a total time of no less than 35 hours spent underwater (not included in training dives), at least 15 of which must be below the depth of 30m.
Divers qualified by another training agency must have a certification in at least: Rescue Diver, Deep Diver, Nitrox Diver, Twinset Diver (or ability to use it) or Sidemount Diver.
• Sidemount Diver or ISSF TEC Basic rating (or have the ability to operate the twinset configuration).
• Are able to maintain correct trim and proper buoyancy as well as propulsion techniques, frog kick and modified flutter kick.
• Have successfully completed the entry test with the result of at least 80% of the correct answers.
The program includes knowledge with regard to planning and performing, according to procedures, decompression dives with accelerated decompression up to the depth of no deeper than 42m. The decompression time should not exceed 20 minutes.
During the training, you will perform at least 7 dives, with a total time of no less than 300 minutes, at least 2 of which within the depth range of 36-42 meters. The course is conducted over 4 days at least. It encompasses classroom lectures and skills in the field of:
• various systems and decompression planning,
• gas properties,
• potential threats of decompression diving,
• technical equipment configuration,
• correct operation of the equipment set with an additional stage cylinder,
• correct underwater propulsion techniques: flutter kick, frog kick, modified frog kick and back kick and helicopter turn,
• variable speed ascent,
• decompression theory,
• decompression computers,
• stressful situations – ability to operate under stress and others.
Qualifications: opportunity of diving with accelerated decompression up to a maximum depth of 42 meters with the decompression time of no more than 20 minutes.
“In diving… there are no shortcuts”