PADI Tec 45 Course

The Tec 45 course follows Tec 40, and takes your training as a tec diver further and deeper. You'll extend your depth limit to 45 metres/145 feet and learn how 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.

What will you learn?

  • Use basic technical diving equipment.

  • Learn the skills and equipment and planning need to dive to a maximum of 45 metres.

  • Gain the knowledge to plan and execute single and repetitive decompression dives using a single stage cylinder of Enriched Air/Nitrox or oxygen, to accelerate or add conservatism to the decompression stops.

  • Learn that there would be no time limit to amount of decompression.

  • Learn to prepare for and respond to foreseeable technical diving emergencies.

  • Master the basic skills and procedures that you will need to move into deeper technical diving.

You will use the Tec Diver Crew-Pak, which introduces you to....

  • Tec diving terminology.

  • Emergency procedures.

  • Decompression and stage cylinder handling.

  • Gas planning.

The Crew-Pak includes a DVD-Rom manual, dive planning checklist and dive planning slate. You will continue using to use the Tec Diver Crew-Pak through to the PADI Tech 50 course.

The DVD-Rom manual is not required where it is not available in a language that the student understands.

Our PADI Tec 45 diver course package includes...

  • PADI Tec 45 diver course.

  • Rental of all Tec equipment.

  • PADI Tec deep manual & PADI certification card.

  • Pick up from the pier.

  • Great location on the beach.


  • Be a PADI Tec 40 Diver.

  • Be a PADI Rescue Diver.

  • Have a minimum of 50 logged dives, with at least 12 dives on enriched air nitrox deeper than 18 metres/60 feet and 10 dives deeper than 30 metres/100 feet.

  • Be at least 18 years old.

You also need to have a Medical Statement signed by a physician within the last 12 months.

*Note that qualifying certifications from other diver training organizations may apply - ask your PADI Tec Deep Instructor.

Guillermo Sanchez
"The first stages of full, technical deep diving...."
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Tech Diving

Course Schedule

  • Knowledge Development - conducted in our air conditioned classrooms.

  • Open Water Training - 4x Open water training dives one of those (1st dive) confined open water dive to maximum depth of 10 metre conducted off one of our dive boats exploring the amazing coral reefs and marine life around Koh Tao.

Day 1

09:00 - Knowledge development
12:00 - Confined Open Water Dive 1 & Open Water Dive 2

Day 2

09:00 - Knowledge development
12:00 - Open Water Dive 3

Day 3

07:00 - Open Water Dive 4

Course Price: 20,000 THB

Here at Crystal Dive, our experienced Tec/Trimix & Sidemount Instructional team conduct all PADI Tec/Rec and Sidemount Diver / Tech Sidemount Diver courses in small groups.

This ensures each student progresses at their own pace, receives lots of attention and is relaxed throughout their training as they build the confidence & competence necessary to be certified as a PADI Sidemount diver.


7/1 Moo 2, Koh Tao, 84360, Thailand
Tel: +66 (0)77 456106
Tel: +66 (0)77 456107
Fax: +66 (0)77 456105