TDI
Technical Divemaster Internship
Technical Divemaster Internship
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Who is this course for?
Who is this course for?
SDI Divemaster who are certified technical divers and want to assist with TDI Diver Courses and lead technical dives at the level they are certified to dive
Course prerequisites
Course prerequisites
Minimum age 18
Certified as an SDI Divemaster (equivalent ratings from other agencies are not accepted for this TDI Divemaster prerequisite.
Candidates must crossover to SDI prior to the TDI Divemaster course)
Provide copies of current CPR and first aid training
Have a current medical examination signed by a licensed physician within the past 12 months
Provide proof of 50 logged divesCertified as technical diver for which they are applying as a TDI Divemaster in
What you can expect to learn
What you can expect to learn
Instructor must use the current TDI Standards and Procedures Manual but may also use any additional text or materials that they may feel help present these topics. The following topics must be covered during this course:
Knowledge development
Recreational dive leader
Diving physics
Diving physiology
Diving equipment
Personal dive skills
Professional skills
What's in it for you?
What's in it for you?
Upon successful completion of this course, graduates may:
Assist an active TDI Instructor during approved diving courses provided the activities are similar to the graduate’s prior training
Supervise and conduct dives for certified technical divers provided the activities are similar to the graduate’s prior training
This program does not cover overhead environment with the exception of advanced wreck
Technical Divemaster minimum requirements
Technical Divemaster minimum requirements
Satisfactorily complete the TDI written or online Divemaster examination with a minimum score of 80 percent, followed by 100 percent remediation
Satisfactorily complete the TDI written examination for the specific course for which they are applying for a Divemaster rating
Complete all water requirements
Demonstrate mature and sound judgment concerning dive planning and execution




The TDI Divemaster Course is the first professional level certification in the TDI leadership levels. During this course you will be challenged and learn what it is like to work with divers as they begin or continue their technical diving experiences.
You will learn how to manage divers, work as land or boat support, and conduct enjoyable dives. Dive physics, physiology, how conduct pre-dive briefing, how to assist technical instructors as well as how to be a professional TDI Divemaster is all part of the course. Your skills will be refined to demonstration quality and your knowledge increased to that of a technical diving professional.

Required Skill Performance and Graduation Requirements
Must give a minimum of 2 complete briefs and debriefs
Show preparation, planning, and control in dive management and technical diving activities
Four open water dives, at least 2 of which must be at the highest Divemaster level being applied for
Training dives must not exceed the Divemaster candidate’s current experience and certification level
Upon successful completion of the dives, students must complete their logbooks and the instructor must sign off on the completed dives

Students must demonstrate all the skills required in the previous courses at Divemaster quality in leadership level equipment – Skills include:
Diving equipment assembly and disassembly
Equipment inspection
Entries and exits
Proper weighting and buoyancy control
Regulator recovery
Controlled descents and ascents
Underwater swimming
Buddy system techniques
Weight/ballast system removal and replacement
Scuba system removal and replacement
Out-of-air emergency alternatives
Equipment care and maintenance