Technical Diving International

Technical Diving International ( TDI), is a worldwide hospitality and certifying commercial diver training organization based in Topsham, Maine, USA. TDI was founded in 1994 and offers dive training for almost all areas of technical diving to. According to information provided by TDI provides the largest diver training organization in the technical diving.

Education system

The education system in TDI includes the steps of Basic Nitrox Diver, Advanced Nitrox Diver Decompression Procedures, Trimix Diver and Advanced Trimix Diver

The TDI Nitrox course is an entry-level course for divers who want to use nitrox as a breathing gas. The course benefits, hazards and proper techniques are taught to dive with nitrox mixtures between 22% and 40 % oxygen content. The TDI Advanced Nitrox Course qualifies divers to use nitrox mixtures of EAN21 to pure oxygen. The maximum depth in this course is 40 meters, it is no-stop dives.

The TDI Decompression Procedures course prepares the student prior to planned stage decompression. With a maximum depth of 45 meters, this course is considered the first step beyond the limits of normal recreational diving. The courses Advanced Nitrox Diver and Decompression Procedures are usually offered as a combination course and form the foundation for further courses in technical diving.

The TDI Trimix course the knowledge you will be required to safely dive with trimix with not less than 18% oxygen to a maximum depth of 60 meters. The TDI Advanced Trimix Diver course trains the student to conduct dives to 100 meters. There are hypoxic trimix mixtures ( below 17% oxygen content ) are used.