TDI Extended is a course that caters to divers who don't have access to Trimix. It emphasizes skill development and solid procedures. Students will learn how two decompression gases can be used and how to safely diversify in the Extended Range environment. TDI Extended Range training dives can be conducted with nitrox, air or both.
TDI Trimix
TDI Trimix certification opens new doors for divers. This certification can also allow divers to travel up to 60 m/200 ft. Extended Range courses are also available online. TDI eLearning allows you to complete the course online if you are unable or unwilling to go to a local dive center. This course will show you the many benefits of extended-range diving.
The Extended Range course will help you dive in more challenging environments and lower your nitrogen narcosis. Stage decompression diving is a process that involves using two stages of enriched air, oxygen or enriched water. The Extended Range course can be combined with TDI Trimix Diver Certificate.
TDI Trimix training prepares you for advanced diving. It allows you to dive to 60m in normal conditions. TDI Trimix training focuses primarily upon safety and skill building, as it is necessary to quickly address problems at depths of up to 60 meters. Divers must be familiar with the procedures and feel comfortable using them.
