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Technical Training

PADI Discover Tec

For those who are merely curious about technical diving and want to try equipment and some of the procedures, PADI Discover Tec lets you do all this in controlled and safe environment. Discover Tec experiences can also credit towards the PADI Tec Deep Diver courses including Tec 40. This Experience Program is designed to let you try out the gear and get a feel for Tec diving.

This can be credited towards the Tec 40 course (Dive 1), at the instructor's discretion and assuming you meet the course prerequisites for PADI Tec 40.

Course Prerequisites

Course Content


PADI Tec 40

The PADI Tec 40 course is the first of 3 sub-courses in the full PADI Tec Diver certification. This is an entry-level technical diving program that bridges the gap between recreational diving and full technical deep decompression diving. It is a great choice if you are interested in technical diving and want to give it a try. If you enjoy it you can continue on to complete PADI Tec 45 and PADI Tec 50.

During the course you will complete:

After the course you will be qualified to:

Course Prerequisites

PADI Tec 45

The PADI Tec 45 course is the second part of the full PADI Tec Deep Diver program. You’ll extend your depth limit to 145 feet and learn to plan and execute repetitive decompression dives using a single stage/decompression cylinder. It puts you in a complete tec diving rig, which can be either backmount or sidemount. You’ll also make accelerated decompression dives using EANx or pure oxygen. This is a course where you’ll rise to the challenge and make the commitment to become a technical diver.

You'll learn about

After successful completion of the course you will qualify to make accelerated decompression dives using EANx50 or pure oxygen as the decompression gas to 145 feet.


To enroll in the Tec45 course, you must:

Course Contents

Your Tec 45 training consists of:

Building on what you learned in the Tec 40 course, you focus on the function and maintenance of tec diving equipment and associated issues. You continue fine-tuning gas planning and calculating accelerated decompression stops. Plus, you learn to think like a technical diver:

Dive 1: Max depth: 30 feet. Pool, confined water or limited open water.

Dive 2: Max depth: 60 feet

Dive 3: Max depth: 100 feet

Dive 4: Max depth: 145 feet Gas switch - single gas decompression.

The equipment

You’ll need full technical equipment, which includes wings and doubles plus an additional deco cylinder, or you may use a technical sidemount configuration.


PADI Tec 50

The third part of the full PADI Tec Deep Diver program is Tec 50. As a Tec 50 diver, you show that you’ve developed competency as a tec diver and have the skills to dive to a maximum of 165 feet. You know how to make extended, accelerated decompression stops using up to two decompression gases. It’s not easy to reach this level and earning your Tec 50 certification opens the door to deeper diving expeditions.


To enroll in the Tec50 course, you must:

Course Contents

Your Tec50 training consists of

A primary focus of this course is mission planning and execution. You also learn more about handling emergencies and how to think like a technical diver:

Dive 1: Max depth: 30 feet, confined water or limited open water.

Dive 2: Max depth: 80 feet. 30min simulated decompression.

Dive 3: Max depth: 165 feet. Decompression with two gases (EAN50, 100% Oxygen)

Dive 4: Max depth: 165 feet. Decompression with two gases (EAN50, 100% Oxygen).

The equipment

You’ll need full technical equipment, which includes wings and doubles, or you may use a technical sidemount configuration, plus two stage/decompression cylinders.


PADI Tec Sidemount Diver

Find a new and different way to configure your cylinders with the PADI Sidemount Diver course.

Sidemount is a scuba diving equipment configuration which has tanks mounted alongside the diver, below the shoulders and along the hips, instead of on the back. Cave divers initially made this configuration popular as sidemount makes it possible to penetrate into smaller sections of cave and to change tanks more easily. The same benefits for operating in confined spaces were also recognized by divers who conducted technical wreck diving penetrations.

Sidemount is now growing in popularity within the technical diving community for general decompression diving, and is becoming increasingly popular with recreational divers as well.

Sidemount diving offers: 

Because you are able to move the cylinder from your back to your side, it instantly takes the pressure off of your back and gives you more flexibility to move and enjoy your dive.  Plus, you don’t have to walk to the dive site with the cylinders on your back. You can enter the water and clip them on and go.

Even beginners can learn the sidemount configuration, and you can easily combine sidemount diving with any other PADI Specialty.

There are two courses available: a recreational and a technical diver course.

Course Prerequisites


PADI Tec Trimix Gas Blender

The objective of this course is to train candidates in the proper techniques, handling, equipment requirements and hazards involved in preparation and blending of Trimix, Heliair, Helitrox, as well as Heliox mixes. Candidates are trained in the proper procedures needed for the preparation and blending of high quality Nitrox and Trimix gases for use in technical diving. It builds on the techniques and knowledge acquired during the Nitrox Blender Course.

Course Prerequisites

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