Why take a course?

The most important element of the IDF Extended Range Diver course is not the possibility of increasing the depth to the limits resulting from the partial pressure of oxygen for air, but the introduction of another side cylinder with decompression gas. Mastering such a configuration requires exercise, skill and above all, accuracy in following safety procedures. During the training you will develop good habits and muscle memory, which will help you cope with stressful situations, and thanks to a comprehensive, extensive theory you will be well prepared for planning such dives.

What will you learn?

During the course you will learn more decompression models that will allow you to plan dives in the depth range you are interested in. You will master using two different gases in the side cylinders.  During the training dives you will be able to further refine the skills acquired during the previous training and add new ones, related to handling two cylinders, not just one. At this stage, you will also practice rescue and assistance to a technical diver in the same configuration, to gain awareness of how difficult this challenge is.

In addition, under controlled conditions, you will practice dealing with a variety of failures, improve your rescue skills, and under the guidance of an IDF Instructor, you will master the methods of dealing with the stress of the accumulation of tasks.

What do you need to start?

  • Minimum age: 18 years
  • Sufficient swimming ability
  • Health condition to participate in the course
  • IDF Advanced Nitrox Diver certificate or equivalent
  • Minimum 150 logged in dives, including at least 30 dives in depths greater than 40 metres

What is the course?

Number of dives
Number of dives
6 dives in open waters of not less than 360 minutes total time
Depth range
Depth range
At least two dives must take place in the depth range between 45 and 55 metres
Theoretical classes
Theoretical classes
Lectures using training presentations and IDF audiovisual materials
Online test filled in electronically after logging into the student's panel

What will you be entitled to after the course?

The IDF Extended Range course entitles you to perform decompression dives to a depth of 55 meters using two nitrox side cylinders up to 100% oxygen.

IDF certificate

Upon completion of the training, you will receive an internationally recognised certificate confirming your qualifications. It is a plastic card with a unique number and watermark. In addition, you will have lifelong access to an individual panel on the IDF website, where your certificate will always be available in electronic form - in case you ever forget to take the original with you for diving.

What next?

The IDF Extended Range Diver course closes the path of deep air diving with accelerated decompression. An advanced diver who has come all the way here have many opportunities when it comes to the next step. Sometimes it will be natural to start helium diving on the IDF Trimix Diver course, and sometimes it will be natural to look for completely new challenges in underwater diving thanks to the extensive cave training path. No matter what you choose, the IDF training system will help you reach for the right tools to realize your dreams.

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