PADI Tec 40


DSAT - Tec 40tech diving koh tao


If you have ever wanted to take your diving further and go deeper, and stay down there for longer, then the DSAT Tec 40 course if the perfect course. It is the bridge between Recreational and Technical diving.


The DSAT Tec 40 course is an Advanced Nitrox course and qualifies you to make “Gas Switch Extended No-Stop” and “Limited Decompression Dives” (up to 10 minutes deco time) using Air or Enriched Air(Nitrox) and a single decompression gas up to 50% for conservation during decompression or to extend no-decompression limit to a maximum depth of 40 meters.


You will learn how to handle any emergencies that may happen while you are Technical Diving. This could be a diver running out of gas, or regulators failing during a dive. The difference


You will learn how to do all this using the “Standardised Tec Rig”. Learning how to dive with this equipment configuration will lay the foundations for further Technical training, including some serious wreck and cave diving.




Advanced Open Water

Enriched Air Nitrox Diver

Minimum 30 logged dives nat_in_wreck

Must be 18 years old

Course Includes:


Equipment Hire

Boat Fees

Breathing gasses

Manual and certification



The course takes 4 days and includes 2 confined sessions and 4 open water dives




Course price - 20,000 Baht



DJL Gallery

  • Davy Jones Locker Koh Tao
    Davy Jones Locker Koh Tao
  • Come join the party at DJL Diving
    Come join the party at DJL Diving DJl Pool bar hosts regular parties and also a cool place to hangout and relax after a days diving
  • Underwater Videography
    Underwater Videography Imagine shooting a fantastic underwater movie of someone's first diving experience - showcasing their interaction with the marine life around Koh Tao. -
  • Steps for PADI Divemaster Internship
    Steps for PADI Divemaster Internship Get into the Classroom - start a PADI Divemaster Internship.

DJL Diving in Koh Lipe ThailandDJL Diving ForumDJL Diving Koh Tao BlogCave Diving in ThailandDavy Jones Tech DivingS.E.A. Explorers Club BlogKoh Tao Backpackers Hostel - It's the big blue one next to the DJL dive school and Silver Sands ResortSilver Sands Hotel Koh Tao


Find us on facebook

No plugin selected!

Latest Video