PADI Tec 40

The PADI Tec 40 course is where you transition from recreational scuba diving to technical diving. It’s a great place to start because it’s the first subdivision of the full PADI Tec diver course and bridges the gap between no stop diving and full technical deep decompression diving.

You gain experience and begin building the knowledge and skills you need to continue your Tec diver training.

Requirements for Tec 40

  • You must be, minimum age of 18 years.
  • Certified as a PADI  Advanced open water diver or equivalent.
  • PADI Enriched air diver with at least 10 dives using enriched air deeper than 18 meter/60 feet.
  • PADI Deep diver or proof of at least 10 dives to 30 meter/100 feet.
  • Have a minimum of 30 logged dives (10 with EANx, 7 deeper than 30 meter/100 feet).
  • A Medical Statement signed by a physician within the last 12 months.

Note that qualifying certifications from other diver training organizations may apply, ask us if there is any doubt.

30 years experience

Tec 40

  • 1 confined water session
  • 3 open water dives
  • Knowledge development
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tecrec courses tenerife tec40, 45 and 50

padi tec 40 course tenerife

padi tec 40 course tenerife

padi tec 40 course tenerife

What does the PADI Tec 40 cost?

€ 449 Included Taxes and:
  • 4 dives, 1 confined water and 3 open water *
  • Practical applications
  • knowledge development sessions
  • PADI/DSAT  Tec deep diver manual
  • Use of single or double cylinder inclusive air
  • Use of complete stage/decompression cylinder inclusive decompression gas up to 50%
  • Use of wing with back plate and harness
  • Use of 2 first and second stages with longhose configuration
  • PADI Tec 40 certification

Note that decompression gasses are only included for the minimum requirements.

*If you don’t meet the required skill standards during the four Tec 40 dives, we will have to make additional dives, each additional dive will cost 89 euro, this includes necessary gases.

PADI Tec 40 program

The Tec 40 course consists of three knowledge development sections, three practical application sessions and four training dives. You’ll learn about:

  • Technical diving’s risks and responsibilities.
  • Tech diving equipment, proper rigging and set-up.
  • Gas planning, oxygen limits and decompression planning.
  • Team diving techniques.
  • Emergency procedures, such as free flows, manifold leaks and out of gas situations.

Required dive equipment

  • A single cylinder with a dual outlet valve (only possible during the tec 40 if necessary backgas allows. If the tec 40, 45 and 50 are done consecutively than the use of doubles is mandatory (rental is included during the course)
  • When the Tec 40, 45 and 50 are done consecutively, double cylinders 12 l with isolator (rental is included during the course)
  • Wing, the size and shape must be appropriate to the cylinder size used during the training (rental is included during the course)
  • Backplate and harness with one continuous piece of webbing and five D-rings (rental is included during the course)
  • One first stage with DIN connection that supply a primary second stage via a 2 m long hose (with stainless steel bolt snap) and a inflator hose connected to the wings inflator
  • One first stage with DIN connection that supply a necklaced backup second stage via a short hose and a analog pressure gauge (the high pressure hose must contain a stainless steel bolt snap), if needed inflator hose for the dry suit.
  • Adequate thermal protection (dry suit is recommended)
  • If you dive in a wetsuit than a cargo short is mandatory (available for rent)
  • Mask and rigid (non-split) fins
  • Backup mask
  • Spool with a minimum of 30 m of line and a stainless steel double-ender
  • One SMB (surface marker buoy), closed model
  • One extra stainless steel double-ender
  • One backup light with stainless steel bolt snap, stored on the harness chest D-ring
  • Two enriched air dive computers or one enriched air dive computer and one digital bottom timer (at least one multiple gas computer is recommended)
  • Wrist-mounted underwater compass
  • Wetnotes with pencil plus stainless steel double-ender
  • Knife or line cutter and backup
  • Whistle

Aquarius dive center prides itself on extremely high standards of safety and quality and as such reserve the right to refuse any equipment deemed not to meet these standards. To be sure that your equipment meets the course requirements you should contact us so we can discuss details in advance. If there is a need for you to buy equipment, you will find most of it in our dive shop, or online 24/7 at our webstore.

Tec 40 – what will I need?

You must bring proof that you meet the minimum requirements for Tec 40, logbook and dive insurance.

The required dive equipment, not included in course costs, must either be brought by student or rented from us. We offer a 50% discount on standard dive equipment rental price during this course. Please check with us what is available to rent and, inform us in advance of requirements.

How long will it take?

*  The complete program takes 4 days if the agreed conditions of self study are met.

Mandatory self study

Before the student attends the first course date, any knowledge development section(s), knowledge review(s) and, if applicable, the course handouts provided will be studied and all the necessary questions are answered by the student. If the student does not meet these requirements, the course needs to be extended by one (1) day and we will charge an additional 100 euro for this extra day.

Extra note!

1. To get the most out of your Tec 40 training it is important that you have control over your buoyancy and trim. As a guideline, you should be in a nearly horizontal position and remain stationary at a target depth while demonstrating a skill.

If you are unsure whether you can meet these requirements, consider following our XTend on TB – Trim and Buoyancy training.

2. If you need our pick-up service, please contact us about the possibilities.


Tec 40 qualifies you to:

Dive to a maximum depth of 40 meters/130 feet using air or enriched air.

Make dives with up to 10 minutes required decompression.

Use enriched air nitrox with up to 50 percent oxygen (EAN50) during decompression to make it more conservative.

Tec combo options:

COMBO Tec 40 + Sidemount

4 days, 669 euro. – BOOK NOW

Tec 40 + Sidemount offers the same benefits as the PADI Sidemount course but gives you the opportunity to dive with 2 tanks for extended decompression dive times.


COMBO Tec 40 + Tec 45

7 days, 799 euro. – BOOK NOW

A combo of the Tec 40 and Tec 45 courses, done consecutively.


COMBO Tec 40 + Tec 45 + Tec 50

10  days, 1099 euro. – BOOK NOW

A combo of the Tec 40, Tec 45 and Tec 50 courses, done consecutively.

mentioned days if the agreed conditions of self study are met.

What will your next adventure be?

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