TDI MOD 1 - 30M

Your First Step into Silent, Efficient Rebreather Diving

Dive into the fascinating world of CCR´s with TDI's MOD 1 course. As your initial training in CCR diving, this program introduces you to the essential skills and knowledge required to operate rebreather with confidence and safety.

TDI CCR AIR DILUENT DIVER MOD 1 30M IN KOH TAO


The TDI Closed Circuit Rebreather (CCR) Air Diluent Diver Course is your first step into closed circuit rebreather diving and your first truly quiet dive experience!Using the latest technology in CCRs can maximize your gas supply and provide an optimum breathing gas for any depth by maintaining a constant partial pressure of oxygen. It’s like having a nitrox blending machine on your back!

During this course, your TDI Instructor will teach you all of the necessary skills to conduct no decompression CCR dives to a maximum depth of 30 metres using air diluent.

TDI MOD 1 30M AIR DIL

Clock Icon 6-7 days
Wallet Icon 75,000 THB
Book now

Upon booking we as ask for deposit.

All prices are in Thai Baht (THB) and do not include possible payment fees etc. CCR course price does not include 7% VAT tax

Prerequisites

  • Minimum age: 18 years
  • Advanced Diver certification (30m depth)
  • TDI Nitrox Diver certification (or equivalent)
  • TDI Sidemount Diver certification (or equivalent)
  • Minimum of 20 logged open water dives, including 10 sidemount dives
  • Good physical condition and completion of a diving medical questionnaire (doctor's medical clearance required, valid within 1 year)
  • Dive insurance is required

Health

  • Completing a medical questionnaire is mandatory for all diving courses to ensure your fitness for advanced diving activities. You are required to consult a physician and obtain medical clearance before participating.

Medical Questionnaire

Course Highlights

  • In-depth sidemount rebreather training using the KISS sidewinder mCCR
  • Practical sessions on setup, streamlining, buoyancy, and equipment handling
  • Emergency procedure training for CCR failure scenarios
  • Dive planning and execution up to 30 meters, using air diluent
  • Field workshop: repair, calibration, loop volume management, CNS tracking
  • Option to upgrade to CCR Decompression Procedures Course (6-day program total, if prerequisites met)
  • Professional instruction from experienced TDI instructors

CCR unit rental available upon request. Please inquire for pricing.

Insurance

  • The course includes basic accident insurance provided by Koh Tao Divers, covering accidents during our dive trips (valid for 30 days). However, it's important to note that this insurance does not cover everything - evacuation costs are not included, and the coverage is limited compared to broader plans like those offered by Dive Assure.
  • 🛡️ We strongly recommend obtaining comprehensive dive insurance before the course starts.

👉 Buy comprehensive dive insurance from DiveAssure

    Days 1–2

    • Theory sessions, equipment configuration, and dry drills

    Days 3–5

    • In-water skills, dive planning, and real-world CCR dives (max 30m)

    Days 6–7 (optional)

    • CCR decompression dives and advanced planning if continuing

Note: Schedule may vary due to weather and logistical considerations.

Insurance information for Koh Tao Divers Customers

While Koh Tao Divers provides basic accident insurance for incidents that occur during our dive trips (valid for 30 days), it's important to note that this coverage has limitations compared to plans like those offered by Dive Assure. Insurance is not included for technical diving or professional courses.
We highly recommend obtaining comprehensive dive insurance.

👉 Buy comprehensive dive insurance from DiveAssure

Included Insurance for Koh Tao Divers Customers

Your included basic insurance provides

  1. Accident Coverage

    • Up to 1,000,000 THB for loss of life, dismemberment, loss of sight, or permanent disability.
  2. Medical Expenses

    • Coverage of up to 500,000 THB per person for each accident, including hyperbaric chamber treatments for diving accidents.
  3. Exclusions

    • Evacuation costs are not included.
  4. Reimbursement Process

    • Patients must pay treatment costs upfront, and the insurance company will reimburse within 2-3 weeks.

Why choose a more comprehensive insurance?

For greater protection, including evacuation costs, we recommend comprehensive dive insurance. Plans like those from Dive Assure start at €70/year for most EU citizens and provide additional benefits, including:

  • Emergency evacuations
  • Trip cancellations
  • Extensive medical coverage

Having comprehensive insurance ensures you're fully covered, especially if you're planning multiple dives or engaging in technical diving. Contact us for advice on choosing the best insurance option for your diving

👉 Buy comprehensive dive insurance from DiveAssure

WHY CHOOSE KOH TAO DIVERS CCR COURSE?

Pioneers in Cave, Wreck, and Mine Exploration

We are proud to be pioneers in discovering some of the most remarkable cave, mine, and wreck sites in Thailand. Our team has uncovered several World War II wrecks, ancient pottery, and remarkable cave and mine sites in the Gulf of Thailand. These aren't just training locations—they are part of our rich exploration history, with a proven track record in wreck salvage, mine exploration, and cave discoveries.

Active CCR Cave and Mine Explorers

All our instructors are active CCR (closed-circuit rebreather) cave and mine explorers, bringing real-world, hands-on experience to your training. Our team actively explores caves, mines, and wrecks, and their personal exploration experiences will directly inform your training. You'll learn from the best, gaining insights and techniques that only active explorers can offer.

Proven Track Record in Wreck Salvage and Rescue Operations

We are frequently called for wreck salvage and rescue operations in the Gulf of Thailand. Our team has played a key role in sinking wrecks like the HTMS Sattakut as artificial reefs, as well as in demanding cave rescue operations. This experience enhances our expertise, offering you valuable insights into safe and effective techniques.

Cutting-Edge Equipment and Facilities

At Koh Tao Divers, we use the latest technology and high-quality diving equipment for all our courses. Whether you're using CCR for cave or mine exploration, or exploring wrecks, you'll have access to state-of-the-art tools to help you safely and confidently complete your training.

Safety First, Always Safety is our top priority.

With decades of experience in some of the most challenging diving environments, we ensure that every aspect of your training is conducted with the highest safety standards. Our instructors are highly experienced in cave, wreck, and mine exploration and are committed to ensuring you dive safely and responsibly.

Passionate Explorer Community Community where passion fuels exploration.

Our tec divers are dedicated adventurers, always pushing boundaries and discovering new underwater sites. This vibrant community provides support, inspiration, and friendship throughout your technical diving journey.

COME TO EXPERIENCE THIS

How to get my certification on Koh Tao?


1

Book your scuba dive course with us today.

2

Download My SSI app to your chosen device swiftly.

3

Sign up and choose Koh Tao Divers as your facility.

4

Within 24h, get training materials in your language.

5

Finish hands-on dives at Koh Tao, discover marine wonders!

6

Get your international scuba certification. Well done!


TDI MOD 1 30M AIR DIL

Book now

OTHER CCR COURSES

Begin Your Silent Diving Journey with CCR Courses

TDI Helitrox 45m 
Koh Tao Divers diver navigating tight structure of artificial reef underwater
Clock Icon 3-5 days
Wallet Icon 37,500 THB

Tailored for experienced divers, this comprehensive program equips you with the skills and knowledge to safely dive to a maximum depth of 45 meters using helitrox.

TDI MOD 2 - 60m
Koh Tao Divers rebreather diver preparing to enter the sea with CCR gear from the boat
Clock Icon 6-7 days
Wallet Icon 75,000 THB

Take your CCR diving to the next level with the TDI MOD 2 course at Koh Tao Divers. This advanced program builds on your MOD 1 foundation, teaching you to execute decompression dives to 60 meters using air diluent and multiple bailout cylinders—perfect for experienced CCR divers ready for deeper, more technical exploration.

CCR Fun Diving
Koh Tao Divers CCR diver flashing peace signs while floating on surface in full rebreather gear
Diving Icon 2 dives
Wallet Icon 3,600 THB

Experience CCR fun diving at Koh Tao Divers. Explore stunning caverns and iconic wrecks like the HTMS Sattakut and HTMS Suphairin 313, and gain valuable hours on your CCR unit. Train for advanced dives to Thailand's remote mines and caves.

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We'd love to hear from you

Whether you have questions about our dive courses, or simply want to say hello, we're here to help. Reach out to us today and let's start planning your next underwater adventure together!

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