Technical Diving International

TDI is the largest technical certifications agency in the world and was one of the first agencies to provide training in mixed gases for use in diving and re-breather diving.  TDI is seen as an innovator of new diving techniques and programs which were not previously available to the general public.

TDI Professionals are held to the highest standard to ensure quality training throughout the world and means that as a diver taking a TDI course with Trio Dive International your instructor will have documented his experience and knowledge prior to achieving that rating.

TDI is committed to offering the highest quality training supported by the latest materials with the most upto date information and techniques and Trio Dive International can offer a full range of TDI courses from the basics of Advanced Nitrox through to Advanced Tri-mix and also CCR training.