Technical Diving International (TDI) is the largest technical certification agency in the world and an innovator of new diving technologies and programs. It is committed to the highest quality training, supported by the latest materials with the most up to date information and technologies. Divers’ Lodge TDI instructors offer the best quality training and maintain the highest safety standards for all levels.

TDI Instructor Courses Include:

Are you an experienced dive instructor and passionate technical diver, and do you want to join the ranks of some the top technical diving 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.

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 CPROX1st 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

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.

Subject areas include:

  • Formula work
  • Equipment Considerations
  • Dive Planning
  • Fixed or Drifting Decompression Methods

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
  • Upon successful completion of the course, graduates may teach diving activities in a technical equipment configuration provided:
  • The diving activities approximate those of training

The areas of activities and environmental conditions approximate those of training

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.

The TDI Nitrox Instructor kit includes

  • Nitrox instructor guide
  • Nitrox PowerPoint®
  • EAD table
  • TDI student record folder
  • Logo sticker
  • TDI Nitrox manual
  • Presentation bag
  • TDI temporary card

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

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 meters/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.

The TDI Advanced Nitrox Instructor kit includes

  • Advanced Nitrox instructor guide
  • Advanced Nitrox PowerPoint®
  • EAD table
  • TDI student record folder
  • Logo sticker
  • TDI Advanced Nitrox manual
  • TDI presentation bag
  • TDI temporary card

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

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

The TDI Decompression Procedures Instructor kit includes

  • Decompression Procedures instructor guide
  • Decompression Procedures PowerPoint®
  • EAD table, TDI student record folder
  • Logo sticker
  • TDI Decompression Procedures manual
  • TDI presentation bag
  • TDI temporary card

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

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 meters/180 feet, while utilizing nitrox mixtures and oxygen for staged decompression. Topics that candidates may be asked to present include:

  • Kit set-up
  • Equipment requirements
  • Decompression techniques
  • Decompression breathing gases
  • Lift bag / DSMB deployment
  • Decompression tables

The TDI Extended Range Instructor materials includes

  • Extended Range/Trimix instructor guide
  • Extended Range/Trimix PowerPoint®
  • EAD table
  • TDI student record folder
  • Logo sticker
  • TDI Extended Range/Trimix manual
  • TDI presentation bag
  • TDI temporary card

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

While using helium-based breathing gases, the TDI Trimix Instructor Course delivers the training required to teach Trimix diving that requires staged decompression. Utilizing gases containing no less than 18% oxygen, candidates will complete the four required dives up to 60 meters/200 feet. Topics that candidates may be asked to present include:

  • Hypoxia
  • Nitrogen narcosis
  • Helium absorption and elimination
  • Counter diffusion
  • Dive planning
  • Gas switching procedures

The TDI Trimix Instructor materials includes

  • Extended Range/Trimix instructor guide
  • Extended Range/Trimix PowerPoint®
  • EAD table
  • TDI student record folder
  • Logo sticker
  • TDI Extended Range/Trimix manual
  • TDI presentation bag
  • TDI temporary card

Trimix Instructor Course Prerequisites:

  • Minimum age 2l
  • Minimum certification as a TDI Trimix Diver and a TDI Advanced Nitrox and Decompression Procedures Instructor, or equivalent
  • Proof of 15 certified advanced nitrox or decompression procedures divers; minimum of 10 must be decompression procedures divers

Provide proof of 250 logged dives with a minimum of 20 logged Trimix dives outside of training, 10 of these dives must be in the last 12 months

Allowing dives to a maximum of 100 meters/330 feet and utilizing custom helium, nitrogen and oxygen mixes, the TDI Advanced Trimix Instructor Course is the crowning achievement for technical instructors. During the course, the instructor candidate studies a well-rounded curriculum and completes four training dives to demonstrate mastery of advanced Trimix skills. Topics that candidates may be asked to present include:

  • HPNS
  • Use of travel gasses
  • Hypoxia
  • Equipment considerations
  • Dive planning
  • Omitted decompression
  • Oxygen toxicity

The TDI Advanced Trimix Instructor materials includes

  • Advanced Trimix instructor guide
  • Advanced Trimix PowerPoint®
  • TDI student record folder
  • Logo sticker
  • TDI Extended Range/Trimix manual
  • TDI presentation bag
  • TDI temporary card

Advanced Trimix Instructor Course Prerequisites

  • Minimum age 21
  • Certification as a TDI Advanced Trimix Diver or equivalent
  • Certification as a TDI Extended Range Instructor or TDI Trimix Instructor or equivalent
  • Provide proof of 250 logged dives, of which 30 must be Trimix dives
  • Provide proof of 20 dives deeper than 55 meters / 180 feet

And meet one of the following experience requirements:

  • Certify at least 10 extended range divers or Trimix divers to depths of at least 45 meters / 150 feet

Assist with at least 2 complete TDI Advanced Trimix classes taught by an active TDI Advanced Trimix Instructor and provide a letter of recommendation from the assisted instructor(s)

During the TDI Advanced Wreck Instructor Course, the instructor candidate will master techniques of instilling comfort, confidence and discipline in the advanced wreck student as well as equipment configuration, penetration skills, research techniques and sharpening decompression skills.  Candidates will be asked to present topics such as

  • Hazards of wreck diving
  • Line techniques
  • Local regulations
  • Propulsion techniques

The TDI Advanced Wreck Instructor support materials include

  • Advanced Wreck instructor guide
  • Advanced Wreck PowerPoint®
  • TDI student record folder
  • Logo sticker
  • TDI Advanced Wreck manual
  • TDI presentation bag
  • TDI temporary card

Advanced Wreck Instructor Prerequisites:

  • Minimum age 21
  • Certified as a TDI Decompression Procedures and TDI Advanced Wreck Diver or equivalent
  • Certified as a TDI Advanced Nitrox Instructor or equivalent
  • Provide proof of 200 logged dives, at least 50 must be wreck dives, 25 must be wreck penetration dives

Have certified 10 students in SDI Wreck Diver or equivalent

For more information on any of our Technical Diving Instructor Courses please do not hesitate to contact us.