Interested in Technical Diving? In-depth Scuba has a broad range of options to get you started.

 

Tec/Rec

Scientific and Exploration

  PADI TDI NAUI GUE

Discover Tech – Pool Only

Discover Tec

  • Minimum Age: 18
  • Minimum Logged Dives: 10
  • Short technical dive, try dive. Exposure to twin tanks, backup regulators, technical wings, and harnesses.

    NOTE:
    Completing Discover Tech earns credit for TEC 40 Dive Number One.

    No Equivalent

    No Equivalent

    No Equivalent

    NOTE:
    For comparison only. In-depth Scuba does not offer GUE courses.

    Introduction to Technical Diving

    30-130 fsw

    (10-40 msw)

    TEC 40

  • Minimum Age: 18
  • Minimum Logged Dives: 30
  • This course bridges the gap between no stop diving and full technical decompression diving.

    Qualifies Tec 40 diver to make limited decompression dive to 130 feet / 40 meters.

    Intro to Tech Diving

  • Minimum Age: 18, 15 with parental consent
  • Minimum Certification: Open Water Diver
  • Proof of 25 open water dives
  • In-depth dive planning advanced buoyancy control, gas management, situational awareness, proper trim, gear configuration and selection.

    Execute proper gear selection and preparation as well as buddy gas matching

    Mastery of S.T.A.R.T, trim, finning techniques, body positioning, and diver skills

    Overall demonstration of mature, sound judgment concerning dive planning and execution

    Introduction to Technical Diving

  • Minimum Age: 18
  • Minimum Certification: EAN Diver
  • Minimum of 25 logged dives
  • Introduces recreational divers to the rigors of Technical Diving.

    Dive planning, physics and physiology, decompression, decompression associated with technical diving, buoyancy control, and side-mount configuration.

    The NAUI Technical Equipment Configuration (NTEC) training is also part of the NAUI Intro to Tech course.

    GUE Fundamentals

  • Minimum Age: 16,
  • Minimum Certification: Open Water Diver
  • Builds a solid skill base in buoyancy, trim, balance and propulsion.

    Fundamental diving skills. Streamlining and equipment skills.

    Decompression overview and minimum decompression procedures.

    NOTE:
    For comparison only. In-depth Scuba does not offer GUE courses.

    Advanced Nitrox

    130-150 fsw range

    (30-45 msw range)

    TEC 45

  • PADI TEC 40 Diver
  • PADI Rescue Diver
  • Have a minimum of 50 logged dives, with at least 12 dives on EAN deeper than 60 feet / 18 meters and 10 dives deeper than 100 feet /30 meters.

    Repetitive decompression dives with a single stage/decompression cylinder.

    Use of wings and doubles with an additional deco cylinder.

    Accelerated decompression using either EANx or 100% oxygen.

    Advanced Nitrox Diver

  • Minimum Age: 18, 15 with parental consent
  • Minimum Certification: EAN/Nitrox Diver
  • Proof of 25 open water dives
  • Qualifies divers to use enriched air nitrox from EAN 21 through EAN 100% oxygen within current certification level to a maximum depth of 130 feet / 40 meters during dives that do not require staged decompression.

    Gas planning, dive planning and equipment considerations for gas mixes containing more than 40% oxygen.

    Demonstrate proficiency in handling failures and switching to backup gas.

    Enhanced skill development with buoyancy control, trim situational awareness.

    No Equivalent

    Next step is NAUI Technical Decompression Diver

    No Equivalent

    Next step is GUE Tech One

    Decompression Techniques

    130-170 fsw range

    (40-50 msw)

    TEC 50

  • PADI TEC 45 Diver
  • Be at least 18 years old
  • Have a minimum of 100 logged dives, with at least 20 dives on enriched air nitrox deeper than 60 feet / 18 meters and 15 dives deeper than 100 feet / 30 meters.
  • Full technical equipment plus two stage/decompression cylinders.

    Dives to a maximum depth of 165 feet / 50 meters.

    Accelerated decompression stops using two gasses.

    Deco Procedures

  • Minimum age 18
  • Minimum certification of SDI Advanced Adventure Diver, Advanced Diver, or equivalent
  • Proof of 25 logged open water dives
  • The TDI Decompression Procedures Course prepares you for planned staged decompression diving. With a maximum operating depth of 150 feet / 45 meters, this course is your first step beyond the normal sport diving limits.

    Course covers decompression dive planning, decompression diving procedures, equipment considerations, cylinder labeling, analyzing nitrox mixtures, and gas blending procedures.

    Ability to conduct decompression diving activities without direct supervision provided Ability to enroll in TDI Advanced Nitrox, TDI Extended Range, TDI Advanced Wreck, TDI Trimix courses

    Technical Decompression Diver

  • Minimum Age: 18
  • NAUI Master Scuba Diver
  • NAUI Introduction to Technical Diving Diver
  • Minimum of 50 logged dives with at least 15 on EANx
  • The NAUI Technical Decompression Diver course provides you with the theory, methods, and procedures of planned staged decompression diving while using optimal breathing gas mixtures.

    Learn how to plan and conduct a standard staged decompression dive to depths not exceeding 130 fsw (40 msw). Additional topics covered in your course include equipment and team requirements, NAUI Technical Equipment Configuration (NTEC), decompression breathing gas mixtures, and decompression techniques.

    Techical Diver Level One

  • Minimum Age: 18
  • Have earned a GUE Fundamentals “Technical” pass.
  • Have a minimum of 100 logged dives beyond open water certification.
  • Be a nonsmoker.
  • Hold insurance that will cover diving emergencies such as hyperbaric treatment, e.g. DAN Master-level insurance or equivalent.
  • Obtain a physician’s prior written authorization for the use of prescription drugs, except for birth control, or for any prior medical condition that may pose a risk while diving.
  • GUE’s Technical Diver Level 1 course is designed to prepare divers for the rigors of technical diving and to familiarize them with the use of different breathing and decompression mixtures.

    Additional course outcomes include: cultivating, integrating, and expanding the essential skills required for safe technical diving; problem identification and resolution; the use of double tanks/cylinders and the potential failure problems associated with them; the use of Nitrox for accelerated and general decompression strategies; the use of Helium to minimize narcosis; and the applications of single decompression stage diving, with respect to decompression procedures.

    Maximum depth of 170 feet/51 meters.

    Helitrox

    130-170 fsw range

    (40-50 msw range)

    No Equivalent

    Next step is Trimix 65

    Helitrox

  • Minimum age 18
  • Minimum certification of SDI Advanced Diver (with Deep specialty) or TDI Intro to Tech Diver, or equivalent
  • Certified as TDI Advanced Nitrox Diver (unless being taught concurrently)
  • Proof of 50 logged dives
  • The TDI Helitrox Diver course trains divers how to plan and conduct staged decompression dives to a maximum depth of 150 feet / 45 meters. The most common equipment requirements, gear set-up, and decompression techniques are also presented during this course. Students are permitted to utilize enriched air nitrox and helium mixes with no greater than 20% helium content, and up to 100% oxygen for decompression diving.

    Course covers decompression dive planning including, Helium as a breathing gas, decompression diving procedures, proper trim, buoyancy and propulsion techniques, emergency procedures, equipment considerations, cylinder labeling, analyzing nitrox mixtures, and gas blending procedures

    Helitrox Diver

  • Minimum Age:18
  • Certified NAUI Technical Decompression Diver (or its equivalent)
  • Minimum of 50 logged dives with at least 15 EANx dives.
  • The NAUI Helitrox Diver course provides the training and experience necessary to understand the hazards of utilizing helium-enriched EANx for dives to depths not exceeding 150 fsw (46 msw) that may require staged decompression, utilizing EANx mixtures and/or oxygen during decompression.

    Your NAUI Helitrox Diver course includes a minimum of four open water dives using a Helitrox mixture (26% oxygen / 17% helium); one dive is a repetitive dive. This course provides you with the training and experience you need to competently plan and execute extended range dives that require stage decompression utilizing Helitrox and oxygen.

    No Equivalent

    Next step is GUE Tech Two

    Extended Range

    130-170 fsw range

    (40-50 msw range)

    No Equivalent

    Next step is Trimix 65

    Extended Range

  • Minimum age 18
  • Certified as a TDI Advanced Nitrox Diver and TDI Decompression Procedures Diver, or equivalent
  • Proof of a minimum of 100 logged dives, of which 25 must be deeper than 100 feet / 30 meters.
  • The TDI Extended Range Diver Course provides the training and experience necessary including proper techniques, equipment requirements, and hazards of deep air diving, to competently utilize air for dives up to 180 feet / 55 meters that require staged decompression, using nitrox mixtures or oxygen during decompression.

    This course covers history of deep air diving, physics, physiology, decompression options, equipment considerations, dive tables, dive planning, diving procedures, descent considerations, ascent considerations, technical dive support and navigation.

    No Equivalent

    Next step is NAUI Trimix Diver

    No Equivalent

    Next step is GUE Tech Two

    Trimix

    130-200 fsw range

    (40-61 msw range)

    Trimix 65

  • Are at least 18 years old
  • Are a PADI Tec 50 diver
  • Have a minimum of 100 logged dives
  • Have a Medical Statement signed by a physician within the last 12 months
  • If you’re into technical diving then you know that to extend your depth range you need to use trimix – a blend of helium, oxygen and nitrogen. The Tec Trimix 65 course introduces you to using trimix down to a maximum depth of 210 feet / 65 meters. There are advantages to using three gases, but you need to know how to do it right.

    Trimix

  • Minimum age 18
  • Minimum certification of TDI Advanced Nitrox AND Decompression Procedures Diver, or equivalent
  • Proof of 100 logged dives
  • TDI’s Trimix Diver course shows how to minimize the effects of narcosis by adding helium to offset the nitrogen in your breathing gas.

    This course will teach you how to plan and execute dives utilizing as little as 18 percent oxygen and diving to maximum depth of 200 feet 60 meters with a blend of helium appropriate for the planned depth.

    Course covers advanced decompression dive planning, decompression diving procedures, proper trim, buoyancy and finning techniques, management of multiple decompression/stage cylinders, emergency procedures, Equipment considerations, cylinder labeling, analyzing trimix nitrox and mixes, and gas blending procedures.

    Ability to enroll in TDI Advanced Wreck and TDI Advanced Trimix courses

    Trimix Diver

  • Minimum age: 18
  • Certified NAUI Technical Decompression Diver (or its equivalent)
  • Minimum of 100 logged dives with at least 20 decompression dives.
  • The NAUI Trimix Diver course provides you with the skills and knowledge needed to minimize the risks of utilizing helium-based trimix breathing gas mixtures for dives to depths not exceeding 200 fsw (61 msw) requiring staged decompression and utilizing EANx mixtures and/or oxygen during decompression.

    Learn how to plan and execute technical dives that require stage decompression and utilize helium-based trimix breathing gas mixtures with EANx as a travel gas and oxygen for decompression to depths not exceeding 200 fsw (61 msw).

    Tech 60

  • Minimum Age: 18
  • Be a certified GUE Tech 1 Diver.
  • Have a minimum of 25 logged technical dives beyond Tech 1 certification.
  • Be a nonsmoker.
  • Hold insurance that will cover diving emergencies such as hyperbaric treatment, e.g. DAN Master-level insurance or equivalent.
  • Obtain a physician’s prior written authorization for the use of prescription drugs, except for birth control, or for any prior medical condition that may pose a risk while diving.

    GUE’s Tech 60 course is designed for divers who want to explore the intermediate realm between Tech 1 and Tech 2. It trains them in the use of a bottom stage or second decompression cylinder which grants them more flexibility during multiple dives and/or longer bottom times.

    Additional outcomes include: gas planning during longer dives, bottle management, emergency management strategies and decompression considerations during longer bottom times.

    Maximum depth 200 feet/60 meters

    Extreme Exposure
    Advanced Trimix

    200-330 fsw range

    (60-90 msw range)

    Tec Trimix Diver

  • Be a PADI Tec 50 diver or Tec Trimix 65 diver
  • Have a minimum of 150 logged dives
  • Are at least 18 years old
  • Have a Medical Statement signed by a physician within the last 12 months
  • The Tec Trimix Diver course takes experienced tec divers and turns them into extreme divers who go deeper and visit pristine sites where few others will ever go. During the course, you’ll make dives as deep as 90 metres/300 feet, but once you earn this tough certification, there are few limits.

    Advanced Trimix

  • Minimum age 18
  • Minimum certification of TDI Extended Range or Trimix Diver or equivalent
  • Show proof of 100 logged dives, 25 must be deeper than 30metres/100feet
  • The TDI Advanced Trimix Diver Course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 metres/330 feet utilizing hypoxic levels of oxygen (below 17 percent).

    Upon completion, you will be among some of the most elite divers, capable of doing and seeing more while diving than any other divers out there.

    Course covers advanced decompression dive planning, decompression diving procedures, proper trim, buoyancy and finning techniques, management of multiple decompression/stage cylinders (minimum of three), emergency procedures, Equipment considerations, cylinder labeling, analyzing trimix nitrox and mixes, and gas blending procedures.

    Extreme Exposure Diver

  • Minimum Age: 18
  • Minimum Certification: NAUI Trimix Diver (or its equivalent)
  • Minimum of 200 logged trimix dives.
  • The NAUI Extreme Exposure Diver course provides you with the experience and knowledge needed to minimize the risks of diving to depths beyond 200 fsw (61 msw) while utilizing helium-based trimix breathing mixtures, hypoxic trimix breathing mixtures, helium-based and EANx-based travel gases, as well as EANx and oxygen during decompression.

    Technical Diver Level Two

  • Minimum Age: 18
  • Be a certified GUE Tech 1 level diver.
  • Must have a minimum of 25 dives beyond Technical Diver Level 1 certification; at least fifty dives on double tanks and at least 25 should utilize a decompression cylinder.
  • Be a nonsmoker.
  • Hold insurance that will cover diving emergencies such as hyperbaric treatment, e.g. DAN Master-level insurance or equivalent.
  • Obtain a physician’s prior written authorization for the use of prescription drugs, except for birth control, or for any prior medical condition that may pose a risk while diving.

    GUE’s Technical Diver 2 course is designed to enhance deep diving proficiency while using helium breathing gasses and oxygen-enriched decompression gasses.

    Other course outcomes include: the use of multiple stages; the use of Trimix with greater percentages of helium; gas management; oxygen management; extended decompression; accelerated, omitted and general decompression strategies; dive planning; and management of multiple cylinders.

    Maximum depth 250 feet/75 meters.