PADI Tec 40 Course

The PADI Tec 40 course is the bridge from recreational scuba diving to technical diving. 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 will learn the knowledge and skills you need to continue your Tec diver training. You will qualify to make limited decompression dives to 40 metres/130 feet with a maximum of 10 minutes deco time.

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

  • Tec diving terminology.

  • Decompression and stage cylinder handling.

  • Gas planning.

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

Our PADI Tec 40 diver course package includes...

  • PADI Tec 40 diver course.

  • Rental of all Tec equipment.

  • PADI Tec deep manual & PADI certification card.

  • Pick up from the pier.

  • Great location on the beach.


  • 18 years old.

  • 50 logged dives.

  • PADI Advanced Open Water Diver.

  • PADI Enriched Air Diver with at least 10 dives using enriched air deeper than 18 metres/60 feet.

  • PADI Deep Diver or proof of at least 10 dives to 30 metres/100 feet.

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
"Ever thought to yourself 'One tank just isn't enough'? Ever wanted to dive deeper?...."
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Tech Diving

Course Schedule

  • Knowledge Development - conducted in our air conditioned classrooms.

  • Open Water Training - 4 Open water training dives, the first conducted in a confined open water environment with a maximum depth of 10 m 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: 16,000 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