The advantages of Sidemount diving are an additional independent air source as you are diving with two tanks each with a first stage, SPG, and regulator. This makes it a lot safer and gives little air-hogs like myself a whole lot more air. I also found diving with Sidemount to be incredibly comfortable because you can easily don tanks on the surface and there is no pressure on your back.
Cave passages that have been formed through millions of years of erosion are only available to those who are certified in overhead diving. They stretch thousands upon thousands of feet. The incredible time span in which these caves were created is a testament to their unique beauty and tranquility.
If you're not yet ready to try local diving but would like to support your local dive store, you can do your eLearning at home and then go on to your training dives abroad. Request a referral from your local PADI Dive Center.
Sidemount Diver Specialty may count towards your Advanced Open Water Diver certification. Ask your instructor for details.
Each PADI Specialty that you complete will bring you closer to the Master Scuba Diver(tm).
I’ve just arrived on Malapascua Island in the Philippines, where over the next two months I’ll work my way up to becoming a Tec diving instructor. I’ve been a recreational instructor in Bali for the last two years and want to expand my experience and professional dive résumé. My first taste of technical diving was at Sidemount PCB, where PADI course director and Tec instructor-trainer Tom West molded me into a Tec-50 diver.
Many agencies offer the option to choose between technical Sidemount and recreational Sidemount. For example, SDI and TDI have the same prerequisites but the tec Course will require you to have more skills. They will require more skill to master the course - you must be precise in trimming your hair and staying level while performing your skills.
2nd stage regulator; exposure suit with side pockets, BCD-sidemount, SMB cutting tool, diving spool. Jet fins. Mask and spare mask. Technical diving equipments. 1 long hose (2.10m-7ft), hogarthian, or cave harness.
Decompression divers can use all sorts of oxygen mixtures to extend their time looking at reefs and wrecks on the sea floor. While the sport diver may only have two 15-minute bottom time dives at 100ft, the decompression diver is able to cruise for up 60 minutes. This allows them to get the most bang possible.
Sidemount rigs were created originally for cave diving.
The technical sidemount was completed the next day. This involved adding our 50-percent oxygen tank and 100 percent oxygen tanks to either side. This will increase your profile underwater. You must ensure that the tanks are as slim as possible. A couple of clips are located on either side of your waist. When your tanks become positively buoyant and you inhale, adjust the clip to match your tank position. It is important to keep your breathing as smooth as possible. Your breathing will change from one tank to another every few minutes. The pressure in each tank will drop at approximately the same rate. If a regulator or tank fails, you will still have gas to breath. Comfort and enjoyment can only be achieved by gaining experience. I spent the next few day doing deco dives using the sidemount rig with Evolution co-owner David Joyce, a Trimix instructor and Tec diver. We visited the Japanese Mogami wreck at 164ft, where I was charmed by the pieces of old gas masks and uniforms.
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There are three parts of certification: knowledge, skill practice, and open water diving. You can either complete them all locally, while on holiday, or divide them.
Skills (specific): Throughout tech programs, the dive skills specific to that category are practiced until they become flawless. Line skills and navigation are perfected for overhead diving. Decompression divers can execute stops and manage gas without blinking an ear. Rebreather divers take great care in building, testing and disassembling their equipment to ensure its optimal functionality. The first level of certification lays the foundation for each course, with further training as necessary. Each step takes you deeper, or makes these skills more difficult. It is a way to become a better diver.
2-3 hours
Even with small cylinders, you can usually dive for 2-3 hours (rebreathers typically have two 2/3l cylinders or one 3/5l cylinder).
Have a PADI Deep Specialty Instructor certification or have completed a PADI Deep Specialty Instructor course. Have at least 100 logged dives, including at least 20 enriched air dives, 25 dives deeper than 18 meters/60 feet, and 15 dives deeper than 30 meters/100 feet. You can become a Tec 45 diver.
5-6 days
Rebreather training classes are typically 5-6 days long, but can be longer depending on a variety of factors such as the training agency, your local conditions, your instructor, and your ability to meet the class standards.