Certain areas of the world provide spectacular dives at depths deeper than 39m/ 130 feet but you will not have acess (or very limited acess) to helium. The TDI Extended Range Course teaches you the proper techniques for utilzing compresses air as a breathing gas and with a maximum of 55m/ 180 feet you won’t have to miss those dives. The Extended Range Course will cover topics and skill such as
- Equipment requirements and configuration
- Decompression options
- Use of surface marker buoys
- Buddy rescue
- Narcosis checks and managment
Materials for this course include the TDI Extended Range Diving Manual and the US Navy or Buhlmann Air Decompression Tables (made of vinyl for easy in-water use and storage)