Description
TDI Instructor
Are you an experienced dive instructor and passionate technical diver, and do you want to join the ranks of some the top technical instructors in the world? Get started with a TDI Instructor Course. Starting at the entry levels, you will learn the fundamentals skills, requirements and be evaluated on proper techniques for conducting technical diver courses. As you gain teaching and diving experience, you will qualify to enter higher level instructor programs.
Cost of course includes: time with Instructor Trainer. Does not include air/nitrox fills, equipment rental, cost of eLearning, or registration/certification with headquarters. Instructor Candidate must provide their own student for training purposes should there not be a current shop candidate.
Who this course is for:
- The experienced active dive instructor and technical diver who is looking to share their passion for technical diving with others
Course prerequisites:
- Minimum age 18
- Certified diver for the program they wish to teach
- Provide proof of 100 logged dives completed in a number of different environments with varying depths
- Provide proof of a minimum number of dives or hours underwater depending on the specific course
- Certified as an SDI Instructor or the equivalent
- Hold a current CPR and first aid certification (i.e. current and valid First Response certification)
- Current medical examination signed by a licensed physician for diving
- Possess the minimum instructional equipment as defined in the
leadership standards
*NOTE: This is a very generic outline of TDI Instructor program prerequisites. As there are many different TDI Programs, the prerequisites will vary.
What you can expect to learn:
The objective of this program is to:
- Introduce the instructor candidate to TDI
- Introduce the candidate to all of the programs they will be qualified to teach
- Introduce the candidate to all of the instructor materials and student materials for those programs they will be teaching
- Demonstrate how to use all of the support materials to teach those programs
- Teach the instructor “How to Conduct” each of those programs, listing helpful hints on “How to teach” academics as well as possible problems they may experience in the pool/confined water and open water sessions and ways to handle those problems
- Demonstrate how to register and certify TDI Divers and Leadership levels
The topics to be covered are:
- Welcome and Course Orientation
- The TDI Instructor
- Dive Leader Risk Management
- Methods of Instruction
- Business Side of Diving
- How to conduct the specific TDI Diver Course including:
- Classroom requirements
- Pool/confined water requirements
- Open Water requirements
- Required materials
- Required paperwork
- How to use the TDI Instructor Guide and Standards and Procedures Manual
Required Skill Performance and Graduation Requirements
The instructor candidate will be evaluated on their knowledge and ability to teach each required subjects and diving skills for the specific course. Specific requirements vary based on the level of instructor course.
What’s in it for you?
- Upon successful completion of this course, graduates may conduct diver level courses at the level for which they have been evaluated
TDI Instructor minimum requirements:
- Satisfactorily complete the appropriate written exam with a minimum score of 80 percent, without reference and be able to adequately explain each answer to a prospective student
- Demonstrate mature, sound judgment concerning training, dive planning and execution
- Complete all in-water requirements safely and efficiently
- Demonstrate proficiency in teaching the specific diver program
- Present the required number of graded academic presentations

For specific course prerequisites, click the Instructor Course below you are interested in:
Intro to Tech Instructor
TDI Instructor: the TDI Intro to Tech Instructor Course provides the training required to competently and safely introduce students to the world of technical diving. The objective of this course is to train instructors to familiarize students with technical equipment configurations, to enhance open water diving skills (such as buoyancy, trim, and situational awareness), and to introduce advanced gas planning techniques within a no-decompression context. Although taught in conjunction with material from the TDI Advanced Nitrox and Decompression Procedures courses, this course is strictly a no-decompression course; students are permitted to use enriched air nitrox mixes, provided the gas mix is within their current level of certification.
Intro to Tech Instructor Prerequisites:
-
- Certified as an SDI Open Water Scuba Diver Instructor, or equivalent
- Certified as a Advanced Nitrox and Deco Procedures diver, or equivalent
OR
- Certified as a TDI Advanced Nitrox and Deco Procedures Instructor, or equivalent
Length of course: 3 days
Course cost: $700
Read the full Course Standards & Procedures
Course requirements:
- The minimum number of classroom and briefing hours is 6.
- Four dives with a minimum accumulated bottom time of 100 minutes.
- Complete all open water requirements safely and efficiently.
- Satisfactorily complete the TDI Advanced Nitrox and Decompression Procedures written examinations and be able to adequately explain each answer to a prospective student.
- Demonstrate mature, sound judgment concerning training, dive planning and execution.
- Demonstrate proficiency in teaching the TDI Intro to Tech course.
- Present at least 1 graded academic and at least 1 graded open water presentation on an Intro to Tech topic.
Nitrox Instructor
TDI Instructor: TDI Nitrox Instructor is an entry level course for instructors wishing to teach 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, instructors learn the benefits, hazards and proper procedures for teaching EAN 22 to EAN 40.
Nitrox Instructor Course Prerequisites:
- Minimum age 18
- Minimum certification as an SDI Open Water Scuba Diver Instructor or the equivalent
- Certified as basic nitrox diver, may be combined with instructor program
- Provide proof of a minimum of 10 logged nitrox dives
Read the full Course Standards & Procedures
Course requirements:
- The suggested number of classroom and briefing hours is 6.
- Two dives are recommended but are not required.
- Satisfactorily complete the TDI Nitrox written examination and be able to adequately explain each answer to a prospective student.
- Demonstrate proficiency in analyzing oxygen/nitrogen mixtures.
- Demonstrate proficiency in teaching the TDI Nitrox Diver course.
- Demonstrate proficiency in every skill required in the TDI Nitrox Diver course.
- Present at least 1 graded presentation on a nitrox topic.
Course length: 1 day (no dives) [2 days with dives – to be discussed with instructor]
Course cost: $400 (no dives) [$600 with dives – to be discussed with instructor]
Advanced Nitrox Instructor
TDI Instructor: The TDI Advanced Nitrox Instructor Course qualifies Nitrox Instructors to teach the use of enriched air nitrox from EAN 21 through EAN 100 to a depth of 40 metres/130 feet during dives that do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures Instructor course, this can be considered the first step to beginning your technical diving teaching career.
Advanced Nitrox Instructor Course Prerequisites:
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox diver or equivalent
- Provide proof of 100 logged dives, 25 must be nitrox dives
- Must have certified 10 students in entry-level nitrox
Read the full Course Standards & Procedures
Course requirements:
- The minimum number of classroom and briefing hours is 6.
- Four dives with a minimum accumulated bottom time of 100 minutes.
- All dives must be deeper than 23 Metres/75 Feet.
- Two dives must be deeper than 30 Metres/100 Feet.
- If advanced nitrox is taught in conjunction with decompression procedures a total of 6 dives are required.
- Satisfactorily complete the TDI Advanced Nitrox course written examination and be able to adequately explain each answer to a prospective student.
- Demonstrate mature, sound judgment concerning training, dive planning and execution.
- Demonstrate proficiency in every skill required in the TDI Advanced Nitrox diver course.
- Demonstrate proficiency in teaching advanced nitrox.
- Present at least 1 graded presentation on advanced nitrox topic.
Course length: 3 days
Course cost: $900*
Decompression Procedures Instructor
TDI Instructor: The TDI Decompression Procedures Instructor Course prepares the Advanced Nitrox Instructor to teach the theory, methods and procedures of planned staged decompression diving. While this course is taught in conjunction with TDI Advanced Nitrox Instructor Course, it also can be paired with TDI Advanced Wreck Instructor as well as TDI Extended Range Instructor.
Decompression Procedures Instructor Course Prerequisites:
- Minimum age 18
- Minimum certification of TDI Advanced Nitrox Instructor or equivalent (unless Advanced Nitrox Instructor course is taught in conjunction with Decompression Procedures Instructor)
- Minimum certification of TDI Decompression Procedures diver or equivalent
- Provide proof of 150 logged dives
- Have certified 10 students in SDI Deep Diver or TDI Advanced Nitrox diver or equivalent
Read the full Course Standards & Procedures
Course requirements:
- The minimum number of classroom and briefing hours is 6.
- Four decompression dives with a minimum accumulated bottom time of 100 minutes.
- If TDI Advanced Nitrox is taught in conjunction with decompression procedures a total of 6 dives are required.
- Satisfactorily complete the TDI Decompression Procedures course written examination and be able to adequately explain each answer to a prospective student.
- Demonstrate mature, sound judgment concerning training, dive planning and execution.
- Demonstrate proficiency in every skill required in the TDI Decompression Procedures course.
- Demonstrate proficiency in teaching staged decompression.
- Present at least 1 graded presentation on TDI Decompression Procedures topic.
Course length: 3 days.
Course cost: $900*
*Advanced Nitrox Instructor and Decompression Procedures Instructor may be taught together. Length of course is 5 days. Cost of course is $1,500

Extended Range Instructor
TDI Instructor: In the TDI Extended Range Instructor Course, the instructor candidate will receive training in the proper techniques, equipment requirements and hazards of extended range diving to depths of up to 55 metres/180 feet, while utilizing nitrox mixtures and oxygen for staged decompression.
Extended Range Instructor Course Prerequisites:
- Minimum age 21
- Provide proof of 250 logged dives, 25 must be extended range dives
- Certification as a TDI Extended Range Diver or equivalent
- Certification as a TDI Advanced Nitrox and Staged Decompression Instructor or equivalent
- Must have certified 10 students in advanced nitrox diver or decompression procedures diver, a minimum of 5 must be decompression procedures divers
Read the full Course Standards & Procedures
Course requirements:
- The minimum number of classroom and briefing hours is 8.
- Four dives with a minimum accumulated bottom time of 100 minutes.
- All dives must be deeper than 30 Metres/100 Feet with 2 dives deeper than 40 Metres/130 Feet.
- Satisfactorily complete the TDI Extended Range course written examination and be able to adequately explain each answer to a prospective student.
- Demonstrate mature, sound judgment concerning training, dive planning and execution.
- Demonstrate proficiency in every skill required in the TDI Extended Range Diver course.
- Demonstrate proficiency in teaching the TDI Extended Range Diver program.
- Present at least 1 graded presentation on an extended range topic.
Length of course: 4 days.
Course cost: $1,200





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