If you're interested in technical diving, but haven't yet met the prerequisites for the PADI Tec 50 Diver course or PADI Tec 45 course, you can consider enrolling in the PADI Tec 40 course. It is the first subdivision of the full PADI Tec Deep Diver course and consists of the first four dives. Because you can do one of these dives in confined water (such as a swimming pool), many divers start of with this easy entry into the world of technical diving.

Prerequisites require you to:

* Be a PADI Advanced Open Water Diver (or hold a qualifying certification from another organization)
* Be a PADI Enriched Air Diver (or hold a qualifying certification from another organization)
* Be a PADI Deep Diver (or hold a qualifying certification from another organization) OR proof of 10 dives
to 30m
* Be at least 18 years old
* Have a minimum of 30 logged dives, of which at least:
·  10 dives were made with enriched air nitrox deeper than 18 meters
·  7 dives were deeper than 30 meters
* Have a medical form signed by your physician

Course Outline

* Use decompression software and dive computers to plan and make decompression dives with no more
than 10 minutes of total decompression and not deeper than 40 metres
* Use a single cylinder of decompression gas with up to 50 percent oxygen (EANx50) to add conservatism
to the required decompression.

Since it's part of the course, your PADI Tec 40 course training credits toward the PADI Tec 45 and Tec 50 courses.

Equipment requirements

Any of the following:

* A single cylinder with dual outlet valve (eg H or Y valve)
* A single cylinder with single outlet valve and a pony bottle
* Back mounted doubles with dual isolator manifold
* Two side mounted cylinder (side mount configuration)
* Two complete regulators, one with 2 meters hose and one with SPG
* Stage/deco cylinder with attachment hardware and a single second stage regulator and SPG
* BCD with D-rings
* Two dive computers or one with backup timer and depth gauge with dive tables
* Exposure suit appropriate for environment and dive duration
* Argon dry suit inflation system
* Weight system
* Jon line(as needed for environment)
* Inflatable signal tube, whistle and or other visual and audible surface signaling devices
* Reel and lift bag or DSMB
* Knife/cutting device and back up
* Slate
* Compass
* Backup buoyancy control
* Backup mask (optional)
* Lights (optional for dive environment)

Learning Materials

You'll use the Tec Deep Diver Crew-Pak, which introduces you to

* tec diving lingo
* emergency procedures
* decompression and stage cylinder handling
* gas planning

The pak includes a manual, dive planning checklist and dive planning slate. The optional Equipment Set-up and Key Skills video on DVD is a great tool to help you practice at home in between your tec diving adventures. You'll continue to use the Tec Deep Diver Crew-Pak through Tec 50.

What's next. . . . . . 

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TEC 45 COURSE

* A PADI Tec 40 Diver (or hold a qualifying certification from another organization)
* A PADI rescue diver (must provide proof of training in CPR and First aid with in two years)
* Be at least 18 years old
* Have a minimum of 50 logged dives, of which at least:
·  12 dives were made with enriched air nitrox deeper than 18 meters
·  6 (with or without EANx) dives were deeper than 30 meters
* Have a medical statement signed by a physician

Course outline

* The skills and equipment and planning need to dive to a maximum of 45 metres
* The knowledge to plan and execute single and repetitive decompression dives using a single stage
cylinder of EANx or oxygen to accelerate or add conservatism to the decompression stops
* There would be no time limit to amount of decompression
* Prepare for and respond to foreseeable technical diving emergencies
* Master the basic skills and procedures you’ll need as you move into deeper technical diving

Equipment requirements

* Double cylinder of at least121/7 cf each, with isolator manifold (the isolator manifold is not required for divers using sidemount configuration)
* Primary and secondary regulators for back mounted double manifolds, one with two meters hose and one with SPG
* Stage/decompression cylinder(s) (1 for Tec 45, 2 for Tec 50) with regulator and SPG, with proper labels/markings
* Tec diving BCD and harness (backmount or sidemount)
* Two multigas enriched air capable dive computers, or one multigas enriched air computer and back up single gas computer with dive tables, or one single gas enriched air computer and backup timer and depth gauge with dive tables
* Exposure suit appropriate for environment and dive duration
* Argon dry suit inflation system as needed for environment
* Weight system (if needed)
* Jon line (as needed for environment)
* Inflatable signal tube, whistle and or other visual and audible surface signaling devices
* Reel and lift bag (bright yellow preferred) or DSMB
* Knife/cutting device and back up
* Slate
* Compass
* Back up mask (optional)
* Lights (optional as required for dive environment)
* Backup buoyancy control (a lift bag/DSMB is not considered a reliable method of backup buoyancy control)

Learning materials

You'll use the Tec Deep Diver Crew-Pak, which introduces you to

* tec diving lingo
* emergency procedures
* decompression and stage cylinder handling
* gas planning

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TEC 50 COURSE

The Tec 50 course completes your training as an entry-level tec diver, taking you past the limits of recreational diving.

Prerequisites require you to

* Be a PADI Tec 45 Diver (or hold a qualifying certification from another organization)
* Be a PADI Rescue Diver (or hold a qualifying certification from another organization)
* Provide proof of training in CPR and First Aid within the previous two years
* Be at least 18 years old
* Have a minimum of 100 logged dives, of which:
·  20 dives must be enriched air dives deeper than 18m
·  at least 15 dives must be deeper than 30 meters – with or without NitroxBe
* Have a medical statement signed by your physician

Course outline

* Make actual decompression dives as deep as 50 metres/165 feet
* Use enriched air nitrox and/or oxygen for decompression
* Use desk top decompression software to create custom dive tables and plan your dives
* Qualify to make technical decompression dives independently

Equipment requirements

* Double cylinder of at least121/7 cf each, with isolator manifold (the isolator manifold is not required for divers using sidemount configuration)
* Primary and secondary regulators for back mounted double manifolds, one with two meters hose and one with SPG
* Stage/decompression cylinder(s) (1 for Tec 45, 2 for Tec 50) with regulator and SPG, with proper labels / markings
* Tec diving BCD and harness (backmount or sidemount)
* Two multigas enriched air capable dive computers, or one multigas enriched air computer and back up single gas computer with dive tables, or one single gas enriched air computer and backup timer and depth gauge with dive  tables
* Exposure suit appropriate for environment and dive duration
* Argon dry suit inflation system as needed for environment
* Weight system (if needed)
* Jon line (as needed for environment)
* Inflatable signal tube, whistle and or other visual and audible surface signaling devices
* Reel and lift bag (bright yellow preferred) or DSMB
* Knife/cutting device and back up
* Slate
* Compass
* Back up mask (optional)
* Lights (optional as required for dive environment)
* Backup buoyancy control (a lift bag/DSMB is not considered a reliable method of backup buoyancy control)

Learning materials

The learning materials that you will need are the Tec Deep Diver Crew-Pak, which introduces you to tec diving lingo, emergency procedures, decompression and stage cylinder handling and gas planning. The pack includes a manual,  dive planning checklist and dive planning slate. The optional Equipment Set-up and Key Skills video on DVD is a great tool to help you practice at home in between your tec diving adventures.

Whats next. . . . . 

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TEC TRIMIX 65 

Prerequisites require you to

* Be a PADI Rescue Diver (or hold a qualifying certification from another organization and having proof of CPR and first aid training with the previous two years).
* Be certified as a Tec 50 (or hold a qualifying certification from another organization)
* Be at least 18 years old
* Have logged at least 100 dives
* Have a medical form signed by your physician.

Equipment requirements

* Double cylinders (minimum 12 litre/70 cubic feet each, with larger preferred) with isolator manifold
* Primary and secondary regulators, one with two metre/seven foot hose (approximately) for gas sharing, and one with SPG
* Stage/decompression cylinders with regulator, SPG, mounting hardware and proper labeling/markings.  Two per diver will be required
* Backup decompression cylinders as appropriate and required for the environment
* BCD and harness – redundant buoyancy control is required (double bladder BCD or dry suit if suitable for weight of equipment worn)
* Depth gauge/computer and backup depth gauge/computer
* Timing device and backup timing device
* Trimix decompression information (tables/trimix computer) and backup decompression information
* Exposure suit appropriate for environment and dive duration. (If you use a dry suit, you should be trained / experienced with its use in recreational and technical diving prior to using it for trimix training or diving)
* Argon dry suit inflation or other inflation system as needed
* Weight system (if needed)
* Jon line (if needed for current diving environments)
* Inflatable signal tube
* Reel
* Lift bag (bright yellow or per local community practice preferred)
* Dive knife / cutting device and backup slate, backup mask (optional)
* Compass, lights (optional)
* Drift kit (if drift decompressing)

Course Outline

* The PADI Tec Trimix Diver course is intended to extend the depth range of technical divers already trained and qualified to use air, enriched air and oxygen for technical decompression dives beyond 50 metres
* Diving with trimix is the outer edge of tec diving – the maximum depth for using this technology has yet to be defined

This course is for  Tec 50 or Tec Trimix 65 (or those holding a qualifying certification from another training organization). The course extends your depth range capabilities by training you to use trimix (a blend of helium, oxygen and  nitrogen).

You will

* Plan and execute at least five trimix decompression dives using various trimix blends
* Use decompression software to create custom dive tables and dive plans
* Make training dives as deep as 75 metres

Learning materials

Tec Trimix Diver Crew- Pack which includes all required materials, including: manual, deep stop calculation table, trimix decal and emergency procedures slate.

Topics covered include

* Trimix diving depth ranges
* Exposure planning
* Selecting a mix
* Argon inflation systems
* Handling three or four decompression cylinders
* Decompression models
* Emergency procedures
* Face masks and multi-gas computers

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DSAT TEC GAS BLENDER COURSE

More people are diving with enriched air and this means the demand for enriched air fills is also increasing.  However, there needs to be someone qualified to administer these fills to meet this demand. This is where the DSAT Gas Blender course comes in.  It can result in one of two certifications: DSAT Gas Blender or DSAT Trimix Blender.

Prerequisites require that you

* Be a PADI Enriched Air Diver certification (or qualifying certification from another organization)
* Be at least 18 years old

Course Outline

The DSAT Gas Blender course will train you as a qualified gas blender, allowing you to provide gas mixes to appropriately certified consumers.  You'll learn the physical properties of oxygen, its associated hazards, handling requirements and what cleaning equipment is necessary. Finally, you will learn the five methods of obtaining the desired enriched air nitrox mix and the various methods used to obtain proper helium mixes.

Learning materials

What are the four main types of oxygen? What is oxygen clean? What are the five methods for blending Enriched Air? These questions and more are covered in the DSAT Gas Blender manual.  As a gas blender you must be familiar with the physical properties of oxygen, its various forms and purities, hazards and special handling requirements. The DSAT Gas Blender Manual and CD-ROM, in conjunction with your instructor, will familiarize you with the procedures and techniques needed for gas blending.

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