TDI Courses

TDI Technical Divemaster

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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.

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Who this course is for:

  • SDI Divemasters 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:

  • 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 dives
  • Certified as technical diver for which they are applying as a TDI Divemaster in

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

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

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

TDI Divemaster minimum requirements:

  • Satisfactorily complete the TDI written or on-line 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 judgement concerning dive planning and execution

TDI Oxygen (O2) Equipment Service Technician

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The TDI Oxygen (O2) Equipment Service Technician Course allows candidates the ability to engage in the preparation of scuba equipment for the use and exposure of oxygen and other mixed gasses used in technical diving. The objective of this course is to train candidates in the proper procedures required for oxygen equipment cleaning. This course may be combined with the Visual Inspection Procedures course at the discretion of the Instructor.

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TDI Advanced Gas Blender

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Are you ready to progress on as a Gas Blender? The TDI Advanced Gas Blender Course picks up where you left off in the previous sequence in training, the TDI Nitrox Gas Blender course.After successful completion of the TDI Advanced Gas Blender course, you will be able to engage in the blending of oxygen and helium based gases. The objective of this course is to train candidates in the proper procedures needed for the preparation and blending of high quality nitrox and trimix gases for use in technical diving. The TDI Advanced Gas Blender course will take you through this process in an easy-to-understand format.

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TDI Nitrox Gas Blender

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Have you ever wondered how your nitrox cylinders are filled? Do you like the “behind the scenes” look at what makes a dive happen? Take the TDI Nitrox Gas Blender Course to find out how your cylinders get filled with nitrox! The TDI Nitrox Gas Blender Course will take you through the blending of nitrox in an easy-to-understand format.This course provides the training required to competently blend nitrox gas. The objective of this course is to train candidates in the proper techniques, equipment requirements and hazards involved in blending nitrox gases for recreational scuba diving activities.

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TDI Advanced Nitrox & Deco Procedures

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The TDI Advanced Nitrox course can be combined with the Decompression Procedures course, which saves time and money.

The combined course can be completed over six dives, rather than the eight if they were run separately. read more →

TDI Courses Available

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Atlantic Scuba’s dive school teaches a range of Scuba Diving courses from

Technical Diving International (TDI).

All TDI Available Courses:

TDI LOGO

Technical diving international

TDI Decompression Procedures course

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Are you finding your no- decompression limits (NDLs) a limiting factor to dives? Do you have to ascend sooner than you would like? 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 45 metres, this course is your first step beyond the normal sport diving limits. The TDI Decompression 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. read more →

TDI Advanced Nitrox Diver

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Are you looking to expand your dive time? Maybe you’re a scientific diver or photographer looking to stay in the water a little longer?

The TDI Advanced Nitrox course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 40 metres/130 feet during dives that 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. TDI Advanced Nitrox is also a must for SCR or CCR divers. read more →

TDI Intro to Tech Diving

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Technical equipment

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: read more →

TDI Nitrox Diver

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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: read more →