TDI PRO Courses

• TDI Technical Divemaster course
• TDI Nitrox Instructor course
• TDI Intro to Tech Instructor course
• TDI Advanced Nitrox Instructor course
• TDI Decompression Procedure Instructor course
• TDI Extended Range Instructor course
• TDI Trimix Instructor course
• TDI Advanced Trimix Instructor course
• TDI Semi-Closed Rebreather Instructor course
• TDI Closed Circuit Rebreather Air Diluent (MOD1) Instructor course
• TDI Closed Circuit Rebreather Air Diluent - Deco.(MOD2) Instructor course
• TDI Closed Circuit Rebreather Mixed Gas Diluent (MOD3) Instructor course
• TDI Closed Circuit Rebreather Advanced Mixed Gas Diluent (MOD4) Instructor course
• TDI Advanced Wreck Instructor course
• TDI Cavern Instructor course
• TDI Introductory Cave Instructor course
• TDI Full Cave Instructor course
• TDI Nitrox Gas Blender Instructor course
• TDI Advanced Gas Blender Instructor course
• TDI Oxygen Equipment Service Technician Instructor course

From Basic Nitrox Diver to Advanced Trimix Diver, Ocean Zone Divers offer all levels of Technical Training Courses. Follow the links to the left to get more details of a specific course.

Ocean Zone Divers terms and conditions apply to all of our courses.

TDI - Technical Diving International
TDI was formed in 1995 by Bret Gillian a former Director of IANTD and is now the world’s largest technical diving agency offering all level technical courses from Nitrox to Mixed Gas Rebreather.