Tec 40 is the first step to start the TecRec program with Padi. The prerequisites are Advanced Open Water and Deep Diver certifications as well as Nitrox. In addition to that, before starting the course a minimum of 10 Nitrox dives have to be proved. The certification allows divers to dive to 40m doing limited decompression using gas mixes up to 50% of oxygen. The Tec 40 is also the prerequisite to continue with Padi Tec 45 which allows to do unlimited decompression time as long as it is carefully planned. The next step will be Tec 50 that enhances the allowable depth to 50m.
Depending on the environment and type of diving each configuration has its advantage and disadvantage. Diving in caves or wrecks the preferred way to dive for sure is either Sidemount or rebreathers. There is also an option for a Sidemount rebreather which makes the diver more streamlined to fit through narrow restrictions. Sidemount also gives the diver the advantage to leave tanks behind that will be picked up upon exiting the cave or wreck. To fit through narrow bedding planes unclipping the tanks makes the profile of the diver even smaller and places that are not available to a backmounted twinset diver become accessible.
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It's becoming increasingly popular and Girls that ScubaHQ noticed it quickly! There were lots of questions and nerves. So we went to Theresia Gullner, one of the few female tech instructors in Asia. She works at Blue Marlin Gili T Lombok. We were then introduced to the twin sets and given an introduction to technical diving. Here's what we learned from her:
Academics – The academic portions of a technical course are very similar to any other scuba class. Students will do some self study and bring the new knowledge to a discussion with their instructor. The dive planning aspects for a technical course are significantly extended from what most individuals are used to but a vital part of executing a successful dive. In overhead and decompression diving, the gas management portions of the planning discussion will take longer than most divers are used to. They even utilize a computer program to calculate their gas volumes and reserves required for the dive.
Specific Skills - These are the skills required to perform specific types of diving. Navigation and line skills are developed until they are effortless for overhead diving. Decompression divers have the ability to execute stops and gas management plans without a blink of an eye. Rebreather divers test, build and then disassemble their equipment meticulously to ensure it works properly. Each course requires skills that are established at the initial level. Then, it is possible to move on to higher levels. Each step further or hones these skills, and adds more challenges to make a diver well-rounded and knowledgeable.
To extend their time at the wrecks and reefs below the ocean floor, decompression divers use oxygen mixtures. Decompression divers can cruise around the ocean floor for as long as 60 minutes, whereas sport divers may only be able to do two bottom dives at 100ft for 15 minutes each.
It is becoming more popular to do technical diving and we were immediately drawn to it at Girls that ScubaHQ! We had many questions and nerves, so we went to Theresia Gollner, who is working at Blue Marlin Gili T in Lombok. We were given an introduction to twin sets by her and then she let us in on the amazing world of technical diving. Here are the lessons she gave us:
Each PADI Specialty you complete gets you one step closer to earning the elite Master Scuba Diver™ rating.
Sidemount diving is also very popular, even in open water. Why? Because diving sidemount is very comfortable and easy to learn.
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Sidemount is not something you'll be doing during cave diving training. Instead, you should look at our CDS Basics Orientation Course.
On top of this specialized Sidemount equipment, you will also need your usual wetsuit, fins, mask, computer, compass, and DSMB.
Becoming a technical diver is equal parts training, experience and passion. If any of the three are lacking the added risks in technical diving aren’t worth it.
To register for the PADI Advanced Rebreather Diver course, you must first: You must be a PADI Open Water Diver, but you must also be a PADI Advanced Open Water Diver to become a PADI Advanced Rebreather Diver. Have at least 30 dives under your belt.