top of page

This course examines the theory, methods and procedures of planned stage decompression diving.


This program is designed as a stand-alone course or it may be taught in conjunction with TDI Advanced Nitrox Course.


The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 45 m.


The most common equipment requirements, equipment set-up and decompression techniques are presented. Students are permitted to utilize enriched air nitrox (EAN) mixes or oxygen for decompression provided the gas mix is within their current certification level.

Prérequis de la formation :

  • Âge minimum 18 ans.

  • Certification minimale de TDI Nitrox Diver, ou équivalent.

  • Fournir une preuve de 25 plongées en eau libre enregistrées.

Course Structure:

⚠️   Sidemount configuration. ⚠️

  • 4 Open water dives are required.

⚠️  Guests must produce their certification card, prior to diving. Failure to do so may result in trip cancellation or being refused diving. ⚠️


24 490 THB

3 Days = 4 Boat Dives

Day #1          Pool + Classroom

  • Theory .

  • Pool training.

Day #2          (Koh Racha Yai/Noi) = 3 Dives

  • Decompression Procedures Boat Dive #1

  • Decompression Procedures Boat Dive #2

Day #3          (Koh Racha Yai/Noi) = 3 Dives

  • Decompression Procedures  Boat Dive #3

  • Decompression Procedures Boat Dive #4

ABC PHUKET DIVING strongly recommend that each Guest purchases comprehensive accident, medical, baggage and trip cancellation/interruption insurance when space is reserved.

Please be advised that if Guest chooses NOT to purchase the trip insurance, we will not be responsible for any financial disappointment caused by reasons beyond our control.

We also recommend that Guests ensure that they have adequate diving insurance.



  • ✅ DECOMPRESSION PROCEDURES🎖 e-Learning course + Theory.

  • ✅ Experienced Instructor.

  • ✅ Diving equipment (BCD​ + Regulator + Fins + Wetsuit (Shorty 3mm) + Mask  +  Alu Air Tank (S80 = 11 l) + Alu Nitrox/Oxygen Tank + Weight belt + Weights.

  • ✅ Technical diving equipment (Nitrox regulator + Nitrox/Oxygen stage tank)

  • ✅ Technical Dive Computer.

  • ✅ Mandatory Dive Insurance.

  • ✅ Pick up and transfer from/to Chalong, Rawai, Kata, Karon, Patong, Kamala Area. (💎 Day #2 & #3).

  • ✅ Breakfast, lunch, snacks and refreshments on the dive boat.

  • ✅ TDI DECOMPRESSION PROCEDURES🎖 Certification fees.


  • ❌ Lunch & transfer on classroom days.

  • ❌ Underwater photos and/or videos. (But they can be requested from the diving staff on board, with charges, if safety and standards requirement are met.)

  • ❌ TIP (Crew and/or Instructor).

⭐️ Cancellation Policy: ⭐️


Please be aware that your day trip /diving course and dates will only be secured when you have paid the amount of the deposit (40% full price) at the day of the booking and confirmed by email.


Minus diving certification agency fees (e-learning), diving insurance subscription trough our company, any bank charges, credit card charges and any exchange rate losses if any incurred,

  • Cancellations received 4 days or more before the first day trip/diving course are eligible for a full deposit refund,
  • Cancellations between 3 days and 36 hours before commencement of first day trip / diving course are eligible for a 50% deposit refund.

You can postpone to the next available day trip / diving course. (2 months)

Full price balance must be paid 36 hours before commencement of first day trip / diving course to confirm it.

  • Only if full price has been paid, cancellations between 36 and 18 hours before commencement of first day trip / diving course are eligible for a 30% refund.

  • No refund can be eligible 18 hours or less before commencement of the first day trip / diving course.


⏰ If you show up later than the agreed time on your booking form, you will need to make your own arrangements to meet the dive boat but, in the interest of other customers,

we cannot delay the boat departure time. The cost of your missed trip cannot be refunded. You are responsible for any costs incurred.



Alcohol 🍺  Drugs 

We reserve the right to cancel your day trip or course if it is our opinion that you are intoxicated.

⚠️  NO REFUND  ⚠️


We reserve right to amend trip itineraries and dive site selection with regard to weather and safety considerations.

🚨 Don't forget 🚨
bottom of page