Intro to Tech
Nitrox Diver
Advanced Nitrox Diver
Decompression Procedures Diver
Extended Range Diver
Trimix Diver
Advanced Trimix Diver
Technical Sidemount Diver
Advanced Wreck Diver
Cavern Diver
Intro to Cave Diver
Full Cave Diver
Cave DPV Diver
Stage Cave Diver
Nitrox Blender
Advanced Gas Blender
Oxygen Service Technician
The TDI Intro to Tech course is the perfect course for divers who have heard about technical diving and want to find out more about this exciting branch of advanced recreational diving. This course walks students through the special techniques, planning procedures and skills that set technical diving apart from traditional sport diving. It will show them how to improve their dive planning methods, in-water skills and streamline their existing gear configuration, in a non-threatening and fun learning environment. The specific skills this course will highlight are:
Advanced Buoyancy Control
Gas Management
Situational Awareness
Trim
Gear Configuration and Selection
Many More!
TDI’s Intro to Tech course is a useful stand-alone course for the diver who wants to become a more skilled, more proficient diver regardless of if he intends to move on to technical diving. The course may also be used as an introduction to the TDI Advanced Nitrox course and the TDI Decompression Procedures course. And finally, it is also a good refresher for certified technical divers who may want to refresh their skills or have them re-evaluated by a TDI technical instructor.
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.
The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 to a depth of 40 metres/130 feet during dives hat do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career. Advanced Nitrox is also a great course for those wanting to extend their bottom times in shallower depths such as scientific diver, and a must for SCR or CCR divers. The course cover topics like
Equipment requirements
Dive planning
Oxygen tracking
Blending methods
You will use the TDI Advanced Nitrox Diving manual for your course, which explains in an easy to understand practical manner the complex information that Advanced Nitrox divers need to know.
As sport divers planned decompression is not something that we do or have been taught. The TDI Decompression Procedures course prepares you for planned staged decompression diving. With a maximum operating depth of 45m/150 feet, this course is your first step beyond the normal sport diving limits. Your TDI Instructor will provide you with valuable information and skills, among the topics covered are
Kit set-up
Equipment requirements
Decompression techniques
Decompression breathing gases
Gas management
Contingency planning
The TDI Decompressions Procedures course combined with the TDI Advanced Nitrox course form the foundation of all other technical courses. After these two courses and some additional experience, the stage has been set for you to move onto additional technical levels.
Some of the materials you will be using include the TDI Divers Guide to Decompression Procedures, US Navy or Buhlmann Air Decompression Tables (made of vinyl for easy in-water use and storage)
Certain areas of the world provide spectacular dives at depths deeper than 39m/130 feet but you will not have access (or very limited access) to helium. The TDI Extended Range course teaches you the proper techniques for utilizing compressed air as a breathing gas and with a maximum depth of 55m/180 feet you won’t have to miss those dives. The Extended Range course will cover topics and skills such as
Equipment requirements and configuration
Decompression options
Use of surface marker buoys
Buddy rescue
Narcosis checks and management
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)
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
The TDI Advanced Trimix Diver course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 m / 330 feet utilizing hypoxic levels of oxygen (below 17 percent). This course is perhaps one of the most informative and challenging and upon completion you are among some of the most elite divers. Your TDI Instructor will teach you
Equipment management
Multiple stage cylinder labeling and placement
Complex decompression planning and contingency planning
Dive team awareness and communication
Gas monitoring and management
Use of travel gasses
The TDI Advanced Trimix manual is one of the most up to date manuals and includes all the latest of technology and practices being used.
TDI’s Sidemount Diver specialty is the perfect course for any technical diver wishing to use this increasingly popular equipment configuration, either as a ‘stand-alone’ course or in conjunction with one of TDI’s other open circuit specialties. It teaches students how to safely utilize side-mounted primary cylinders as an alternative to the traditional back-mounted method.
This course takes students through the specific techniques, planning procedures and skills that set side-mounted cylinder diving apart from the traditional back-mounted method. During the course, the TDI Instructor takes students on a minimum of three dives and covers skills such as:
Equipment considerations
Gas management
Attaching cylinders
Trim and buoyancy
Deployment of surface marker
Different water entries
TDI’s Sidemount Diver Specialty is a useful stand-alone course for the technical diver who wants to become more skilled and proficient with different gear configurations regardless of if he intends to use sidemount all the time. The course may also be taught in conjunction with any of TDI’s other open circuit specialty courses, on the condition that all prerequisites and standards applicable to both courses are fully met.
The maximum depth limit of this course must not exceed that of the student’s current certification, unless being taught in conjunction with another TDI course which allows a greater depth. Prerequisites to enroll on the TDI Sidemount Diver course are: Age 18, SDI Open Water Diver or equivalent. (Otherwise open water 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.
As the first in a series of overhead courses, the TDI Cavern Course takes a serious look at the skills needed to conduct safe and enjoyable cavern dives. Although the cavern course is conducted in the light zone you will still be in an overhead environment. Your TDI Cavern Instructor we cover topics and skills such as
Equipment configuration and preparation
Body posture and trim
Propulsion techniques
Cavern conservation
Proper guideline procedures
The TDI Cavern and Cave manual will outline the procedures for conducting cavern dives and a great addition to your diving library.
The TDI Introductory Cave Course takes a serious look at the skills needed to conduct safe and enjoyable cave dives. During the cave course your TDI Instructor will teach you the proper techniques for diving in a cave environment while staying on the main line. Your TDI Intro 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.
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
Equipment configuration and preparation
Body posture and trim
Propulsion techniques
Cave conservation
Proper guideline procedures
Lost line drills
Buddy emergency 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.
This course is designed to give the trained cave diver the minimum knowledge and basic fundamentals of safely utilizing diver propulsion vehicle (DPV) in the underwater cave environment. Safe techniques, procedures and skill perfection associated with the use of DPV’s in cave diving is emphasized. Cave conservation considerations, such as low-impact application, are stressed.
Equipment Considerations
DPV Emergency Towing
DPV Techniques Suitable for the Cave Environment
DPV Maintenance
Proper Use of a DPV
The Stage Cave Diver course is designed to give the trained cave diver the increased knowledge and basic fundamentals in extended bottom times and increased penetration with the use of a stage cylinder. Lengthened bottom times, accumulative decompression obligations and complex dive planning are covered in this course. Safe techniques, procedures and skill perfection associated with stage cave diving is emphasized.
Equipment Considerations
Cave Environment/Conservation
Stage Diving Techniques Suitable for the Cave Environment
Problem Solving when Stage Cave Diving
Proper Use of a Guideline and Reels
In the TDI Gas Blender Course, you will receive a foundation of skills and knowledge that is needed to blend enriched air nitrox for recreational divers. After covering academic subjects including
Responsibilities of the gas blender
Oxygen handling
Gas production equipment and oxygen analyzing
You will demonstrate proficiency in blending enriched air nitrox and the proper labeling of nitrox cylinders.
The TDI Nitrox Gas Blender manual will take you through the processes of blending nitrox in an easy to read and understand format. Additional support materials include the SDI/TDI Gas Blending Log.
Building upon the TDI Gas Blender Course, the next step is taken in the TDI Advanced Gas Blender Course where you will develop and master the skills and knowledge needed to produce custom mix gases for technical diving that include helium. After a review of academic subjects such as
Formulas
Gas analysis
Blending equipment
Blending systems
Oxygen handling
The TDI Advanced Gas Blender manual will build your academic knowledge and act as a great resource manual for future reference. Also available is the SDI/TDI Gas Blending Log.
In the TDI O2 Equipment Service Technician Course, you will expand upon the repair skills you have received from equipment manufacturer’s programs and learn the proper techniques and protocols of preparing scuba equipment for use with breathing gases other than air. The course covers topics such as
Oxygen compatible system components
Cleaning chemicals
Oxygen cleaning of cylinders valves and regulators
The TDI Equipment Service Technician manual brings you through the process in a logical manner while your instructor takes you through the practical exercises, the manual also acts as great reference material.
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