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Cave Diver
The TDI Cave Course is the highest overhead environment rating offered by TDI. This course is for the serious adventure wanting to explore further into the overhead environment, make jumps off of main lines to adjoining passages. During the cave course your TDI Instructor will teach you the proper techniques for diving in a cave environment while maintaining a constant guideline. Your TDI Cave Instructor will cover topics and skills such as
Limits based on no decompression
Equipment configuration and preparation
Body posture and trim
Propulsion techniques
Cave conservation
Proper guideline procedures
S drills
Hand and light signals
The TDI Cavern and Cave manual will outline the procedures for conducting cave dives and a great addition to your diving library.
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Wreck Diver
The TDI Advanced Wreck course is the next step for any diver that has taken a wreck diver course. During this course, your TDI Instructor will teach you the proper techniques for locating and planning a penetration dive. The advanced wreck course is commonly taught with other popular TDI course such as advanced nitrox, decompression procedures, extended range, closed circuit rebreather, and trimix. The course covers topics and skills like
Use of guidelines
Overhead emergency procedures
Redundant equipment requirements
Locating and identifying wrecks
Hazards of wreck diving
Surveying of wrecks
The TDI Advanced Wreck Diving manual covers all the most commonly used wreck diving techniques in cold and warm water. The manual also covers team diving techniques and preservation of wrecks.
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Nitrox Diver
TDI Nitrox course is an entry level course for divers wishing to utilize enriched air nitrox as a breathing gas. Little else has impacted recreational diving more than the introduction of nitrox, allowing more time underwater. During this course, you will learn the benefits, hazards and proper procedures for diving with EAN 22 to EAN 40 your TDI Instructor will also cover
Equipment considerations
Cylinder labeling
Analyzing of Nitrox
The course follows an easy to read and understand diver manual titled Understanding Nitrox and water proof tables for quick on site reference.
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Trimix Diver
As your motivation to explore progresses you will find that you may want to go deeper to dive that wreck that is part of history or that cave system that you have read so much about. One of the major limiting factors of going deeper is narcosis; TDI’s Trimix Diver course shows how to minimize the effects of narcosis by adding helium to offset the nitrogen in your breathing gas. While taking the Trimix Diver course your TDI Instructor will teach you how to plan and execute dives utilizing as little as 18 percent oxygen and diving to maximum depth of 60 m/200 feet with a blend of helium appropriate for the planned depth. The course covers topics and skills like
Dive team planning
Gas matching
Cylinder labeling
Surface marker deployment
Equipment configuration
Thermal protection options
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