NAUI Tech Dive Courses

Mixed Gas Blender and Oxygen Service Technician

OVERVIEW

This course is designed to provide the student with the skills and knowledge needed to safely handle high pressure gases and prepare Oxygen Enriched Air and Helium base gas mixes for use by divers. The course also provides the student with the skill and knowledge to clean, test, and document testing of equipment for use with high levels of oxygen use.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18

SKILL REQUIREMENTS
The students are to analyse the resulting breathing gas mixtures from their own breathing gas blending practice. Students shall demonstrate mastery of the breathing gas blending system used in training; that is, each student will be able to complete a blending and cylinder filling operation for each gas blend sold by the facility without prompting by the instructor and without error.

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Introduction to Technical Diving

OVERVIEW

This course is designed to allow the advanced open-water diver to improve their knowledge skills and gear configuration. The course also prepares the diver for the rigors of technical diving.

  • Introduces the NTECH gear configuration
  • Introduces isolation manifold double cylinders.
  • Introduces separate decompression cylinders and gas switching for safety stops.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Minimum certification of Advanced open-water certification
  • Nitrox Certification
  • Proof of 25 logged dives with 5 dives on EANx

COURSE REQUIREMENTS

  • 900 yard swim (mask, fins, snorkel)
  • Skills Include buoyancy control, gas sharing, lift bag deployment, dive planning and execution, diver assist procedures and gas loss procedures.
  • One confined water dive
  • Four Open-Water training dives
  • Maybe combined with other technical training courses.
  • RGBM NDL followed during all training.
  • RGBM deep Safety stops employed during all training.

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Technical Diver

OVERVIEW

Gradates are considered competent to plan and execute extended range dives that require stage decompression and utilize Air, Helitrox, Heliair and EANx for bottom gases and Helitrox, EANx or Oxygen for stage decompression. Maximum training depth 180 fsw.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Nitrox Certification
  • Proof of 75 logged dives with 10 dives on EANx

COURSE REQUIREMENTS

  • NTEC gear configuration required.
  • RGBM decompression tables taught and utilized.

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Technical EANx Diver

OVERVIEW

This course provides the EANx certified diver with the skills and knowledge needed to minimize the risks of utilizing optimal breathing gas EANx mixtures of 25% through 100% (oxygen) for dives to a depth of 130 fsw (40 msw) not requiring stage decompression. (This course may be combined with the Decompression Techniques Diver Course.

100% Oxygen is utilized for safety stops, with 28% to 50% utilized as a bottom mix for shallow water applications.

QUALIFICATIONS OF GRADUATES

Upon successful completion of this course, graduates are considered competent to utilize EANx mixtures 25% through 100% (oxygen) without direct supervision provided the diving activities and the areas dived approximate those of training.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Minimum certification of NAUI EANx Diver (or equivalent).
  • Proof of 50 logged dives with 10 dives on EANx

COURSE REQUIREMENTS

  • RGBM NDL followed during all training.
  • RGBM deep Safety stops employed during all training.
  • 4 Students maximum.
  • Classroom hours – twelve estimated
  • Open water dives – four

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Decompression Procedures Diver

OVERVIEW

This course is to provide the diver with a working knowledge of the theory, methods and procedures of planned decompression diving. The course covers equipment requirements, gear configurations, decompression breathing gas mixtures, and staged decompression rigging and techniques.

  • Utilizes 100% oxygen for decompression
  • Use of air, Nitrox, Helitrox gases may be used.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Proof of 75 logged dives.
  • Technical Nitrox or Helitrox certification.

COURSE REQUIREMENTS

  • Classroom hours – eight are estimated
  • Open water dives – six (4 additional dives if Helitrox is added)
  • NTEC gear configuration required.
  • RGBM decompression tables taught and utilized.
  • Maximum training depths shall not exceed 150 fsw ( 50 msw) unless the course is combined with another course involving deeper water diving as an integral part of the combined course.

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Helitrox Diver

OVERVIEW

This courses provides the diver with the skills and knowledge needed to minimize the risks of utilizing helium breathing gases for dives to a maximum depth of 150 fsw (46 msw) and/or oxygen during decompression procedures.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Nitrox certification.
  • 50 logged dives (10 on nitrox)

COURSE REQUIREMENTS

  • NTEC gear configuration required.
  • Classroom hours– 8 are estimated
  • Open water dives – 4 Helitrox dives (26% O2 / 17% He) with one set of dives being repetitive.
  • All skill training at 60fsw or shallower.

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HeliAir Diver

OVERVIEW

This course provides training and experience necessary to understand the hazards of utilizing Heliair for dives to a maximum depth of 180 fsw (55msw) that require stage decompression utilizing EANx mixtures and/or oxygen during decompression.

Maybe combined with Decompression Procedures Diver Course.

Gradates are considered competent to plan and execute extended range dives that require stage decompression and utilize Heliair and EANx.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Minimum of 75 logged dives (10 on Nitrox)

COURSE REQUIREMENTS

  • Classroom
  • Open water dives – 6
    • All dives below 100 fsw
    • 2 dives below 130 fsw
    • 2 dives below 160 fsw

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Trimix 1 Diver

OVERVIEW

This course provides the diver with the skills and knowledge needed to minimize the risks of utilizing helium based breathing gases for dives and utilize Helitrox, Heliair, EANX and/or oxygen for stage decompression. Maximum training depth of 200 fsw.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Minimum certification as a NAUI Decompression Techniques and Helitrox Diver.
  • Minimum of 100 logged dives (20 decompression dives)

COURSE REQUIREMENTS

  • Classroom
  • Open water dives – 2 dives required deeper than 180fsw.
  • NTEC gear configuration required.
  • RGBM decompression tables utilized.
  • Maximum of 4 students per instructor.

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Trimix 2 Diver

OVERVIEW

This course provides the diver with the skills and knowledge needed to minimize the risks of utilizing helium based breathing gases for dives and utilize Helitrox, Heliair, EANX and/or oxygen for stage decompression. Maximum training depth of 250 fsw.

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 18.
  • Minimum certification as Trimix Diver 1.

COURSE REQUIREMENTS

  • Classroom
  • Open water dives – 2 dives required deeper than 200fsw.
  • NTEC gear configuration required.
  • RGBM decompression tables utilized.
  • Maximum of 4 students per instructor.

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Technical Support Leader

OVERVIEW

The NAUI Support Specialty Course is designed to train knowledgeable NAUI Divemasters and Assistant Instructors who are also technical divers to act as part of a support team for technical diving and training activities.

QUALIFICATIONS OF GRADUATES

A NAUI Technical Support Leader (TLS) is qualified to provide assistance to teams of technical divers provided diving conditions and methods approximate those in which the TSL was trained. These duties may include shuttling of equipment, removal and replacement of staged decompression gases and equipment, rigging and setting up decompression stations and gases and monitoring divers during ascent and staged decompression stops. An active-status NAUI TSL is qualified to assist an active-status NAUI Technical Instructor in technical courses. *(NOTE: Maximum depth attained and gases used by the TSL may not exceed the qualifications of technical diver certification held by the TSL.)

PREREQUISITES FOR ENTERING THE COURSE

  • Minimum age of 21.
  • Minimum certification of NAUI Technical EANx Diver , NAUI Divemaster or NAUI Assistant Instructor.
  • Proof of 75 logged dives with 10 dives below 100 fsw (30 msw), and with 15 dives of EANx.
  • Have assisted with the open water portions of at least two entry-level or continuing education diver courses.
  • Have Oxygen Provider Certification.
  • NAUI Rescue Diver or its equivalent.

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