TDI Technical Diving Courses.


TDI Advanced Nitrox Diver

TDI Advanced Nitrox Diver With this certification you may use Enriched Air/Nitrox mixes up to 100%, for even longer bottom time. The course builds on your basic Enriched Air/Nitrox diver knowledge. The TDI Advanced Nitrox course introduces you to techniques … Continue reading


TDI Decompression Procedures Diver

TDI Decompression Procedures Diver TDI (Technical Diving International) was founded in 1994 and is currently the largest tech agency in the world with over 5,000 member instructors As sport divers planned decompression is not something that we do or have … Continue reading


TDI Extended Range Diver Course

TDI Extended Range Diver Have you ever thought about what happens when you exceed a no decompression limit or what is just inside that shipwreck or just over that ledge. Would you like to know?, but not if you have … Continue reading


TDI Trimix Diver

TDI Trimix Diver As your knowledge, skills, abilities and motivation to explore grows you will find that you may want to dive deeper, maybe dive that wreck that is part of history or that cave system that you have read … Continue reading


TDI Advanced Trimix Diver

TDI Advanced Trimix Diver To breathe underwater a diver must be supplied air at a pressure equal to that of the water surrounding the diver. However there is an upper limit of oxygen pressure above which the oxygen becomes biochemically … Continue reading


TDI Sidemount Diver

TDI Sidemount Diver TDI Sidemount Diver specialty is the perfect course for any technical diver wishing to use this increasingly popular equipment configuration, either as a ‘stand-alone’ course or in conjunction with one of TDI’s other open circuit specialties.  It … Continue reading


Air Diluent Closed Circuit Rebreather Diver

The TDI Air Diluent Closed Circuit Diver Course (certification depends on unit/electronics used) is your first step into closed circuit rebreather diving and your first truly quiet diving experience. Using the latest in technology CCR’s maximize your gas supply of … Continue reading


Air Diluent Closed Circuit Rebreather Decompression Procedures Diver

The TDI Air Diluent Closed Circuit Decompression Procedures Diver Course (certification depends on unit used during training) is the second level certification course for divers wishing to utilize a closed circuit Rebreather (CCR) for air diving. The objective of the … Continue reading


Mixed Gas Closed Circuit Rebreather Diver

Unit Specific for Inspiration/Evolution, KISS, Optima, Megalodon, rEvo, Pelegian and Titian
 The TDI Mixed Gas course (certification depends on unit/electronics used) is your next step into closed circuit rebreather diving and with the addition of helium as a Diluent gas, … Continue reading


Advanced Mix Gas Closed Circuit Rebreather Diver Course

Unit Specific for Inspiration/Evolution, KISS, Optima, Megalodon, rEvo, Pelegian and Titian The highest level of CCR training that TDI offers, the Advanced Mixed Gas course will teach you to use the full capabilities of a CCR. With a maximum depth … Continue reading


TDI Nitrox Gas Blender

TDI Nitrox Gas Blender In the TDI Nitrox Gas Blender Course, you will receive a foundation of skills and knowledge that is needed to blend enriched air nitrox for recreational divers. After covering academic subjects including, Responsibilities of the gas … Continue reading


TDI Advanced Gas Blender

TDI Gas Blender Course Building upon the TDI Gas Blender Course, the next step is taken in the TDI Advanced Gas Blender Course where you will develop and master the skills and knowledge needed to produce custom mix gases for … Continue reading


TDI 02 Service Technician

TDI O2 Service Technician Course, on this course you will expand upon the repair skills you have received from equipment manufacturer’s programs and learn the proper techniques and protocols of preparing scuba equipment for use with mixed breathing gases other … Continue reading

TDI Technical Diving Courses

TDI Technical diving courses give you a certification with the largest technical diving certification agency in the world.  TDI was one of the first agencies to provide training in mixed gas diving and rebreather diving. TDI Technical diving courses are seen as an innovator of new diving techniques and programs. These programs were previously were not available to the general public. Technical diving courses with TDI has provided divers with the opportunity to see such wrecks as the Andrea Doria, Luisitania and the Prince of Wales.  TDI divers have explored underwater caves in Spain, Australia and Mexico and assisted as support divers on world record free dives done in the Red Sea.

TDI Technical Scuba Diving Courses are taught by TDI professional Instructors, they are taught to the highest standard to ensure quality training throughout the world.  This means that as a diver taking a TDI course, your instructor will have documented his experience and knowledge prior to achieving that rating.  As an instructor candidate taking a TDI course, your TDI instructor trainer will have gone through the paces to achieve the highest level of training that TDI offers.

TDI is committed to offering the highest quality training supported by the latest materials with the most up to date information and techniques.  TDI materials are written by authors that acutely conduct the type of diving they are writing about.  Those same materials are update as technology and equipment change.

Question: What is technical diving?

Answer; All non commercial diving is categorized as recreational and within recreational diving there is sport and technical.  Sport diving includes your open water certification, advanced scuba diver, and many other specialty course.  Technical diving picks up where sport diving ends generally at nitrox (a breathing gas with oxygen levels greater than 21 percent).

Question: What is my first step into technical diving?

Answer; Nitrox is most divers first step into technical but it has also become very popular amongst sport divers so TDI Advanced Nitrox and Decompression Procedures would be a great start.  Advanced Nitrox and Decompression Procedures for the foundation of technical diving all other course will build on the knowledge and skills learned during these courses.

Question: Do I have to go deep for technical diving?

Answer; No. Although technical diving is commonly thought of as deep, there are a lot of courses that stay within the sport diving limits (40 m / 130 feet) such as Advanced Nitrox, Semi Closed Circuit Rebreathers (SCR) and Closed Circuit Rebreathers (CCR) and Advanced Wreck to name a few.

Question: Will technical diving allow me to go deeper?

Answer; yes.  TDI has course curriculums that take you as deep as 100 m / 330 feet and do so in a manner that each course builds on the last and each course takes you a little deeper.  By receiving training in this manner not only are your skills and knowledge increasing but so is your comfort level.

TDI Technical Diving Courses