IDC & Technical Diver Training in Thailand

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PADI 5* CDC

As you may know, PADI instructor courses are always conducted in a PADI 5* Instructor Development Centre. Here in Khao Lak where Professional Diver Training are based our IDC partners are the wonderfull Go 2 Similan.

Go 2 Similan (G2S) Are a long standing members of the Khao Lak dive industry. They are a family run company run by husband and wife team Gary and Ann Gamage. Ann is also a PADI course director, operating under her own brand 'The Course Director' she has established links with all the dive schools in the area. Her ready to work program is the best way to get employed in the Similan islands. All courses have a strong environmental focus.

G2S offer us wonderfull facalities, 2 great pools, a substantial stock of high quality Scubapro rental equipment, air and nitrox fills from thier own compressor, a wide range of products in thier retail shop.

G2S offer much more than just IDCs, they run snorkeling trips to the Surin and Similan Islands daily, they can arrange private speedboat charters, and all PADI diving courses, from entry level programs such as Discover Scuba Diving, Open Water, Advanced, through to Rescue Diver, Diemaster, a wide range of specialities and even PADI TecRec courses. They also run regular dive triips to the many shipwrecks in the area, including the Sea Chart, Premchai, Boonsung, Bootrace and T13 underwater museum.

In 2026, G2S were upgraded from a standard IDC to full 5* Carreer Development Centre status. This is the highest possible rating for and PADI dive centre.

As if that wasn't enough, they won an award for thier outstanding contribution to professional development.

Will AI Replace Dive Instructors? Why Human Trust Still Matters Underwater

Artificial intelligence is changing how people learn, plan and work. That naturally raises a question for divers considering professional training: will AI replace dive instructors?


The honest answer is more nuanced than either “yes” or “never”. AI is likely to become increasingly useful in diver education, and robotics may become far more capable too. But teaching someone to dive is not simply the transfer of information. It is a practical responsibility involving supervision, communication, judgement and trust in an environment where a student may feel unfamiliar, task-loaded or anxious.


Technology can strengthen a good instructor. It does not automatically remove the value of having a calm, capable person beside a student in the water.


Who would you want to learn with? AI may support dive education, but human trust still matters underwater.

Why people are asking about AI and dive-instructor careers


Existing divers thinking about an Instructor Development Course are making a serious investment in training and a possible new career. Career changers are asking the same sensible question: how might this profession develop as AI systems become better at explaining concepts, adapting learning materials and analysing performance?


Many educational tasks already have a digital component. Dive theory can be studied online, knowledge reviews can be automated and planning tools can process information quickly. Those capabilities will continue to improve. The useful question is therefore not whether technology will affect dive instruction. It will. The better question is which parts of the instructor’s role technology can support and which still depend heavily on human presence and responsibility.


Where AI can genuinely support diver education


AI can be valuable before and between training sessions. It may help students revisit difficult theory, generate additional revision questions or explain a concept in different ways. It can also help instructors organise lesson plans, identify patterns in assessment results and prepare learning materials for individual needs.


Used carefully, these tools could give instructors more time for observation, coaching and practical training. A student who needs extra help with pressure, buoyancy, gas planning or decompression theory may arrive at a session better prepared. An instructor can then spend less time repeating basic information and more time checking whether the student can apply it safely.


This is consistent with the purpose of a professional PADI IDC: learning how to turn standards, theory and demonstrations into effective teaching for real people.


Robotics may become more capable too


It would be unwise to claim that robots could never demonstrate skills, monitor divers or deliver parts of underwater training. Sensors, autonomous systems and remotely operated equipment are improving. Future systems may recognise more situations, provide prompts or assist with supervision in ways that are currently difficult.


While underwater communication is limited in most everyday dive-training environments, that is more a question of cost and practicality than technical possibility. Underwater voice communication systems already exist, but they remain expensive and uncommon in recreational dive training, particularly in destinations such as Thailand.


The same economic reality is likely to apply to robotic dive instructors for a long time. Even if humanoid robots eventually become technically capable of demonstrating skills, monitoring divers and responding intelligently underwater, a machine designed to operate reliably at depth would be a highly specialised and expensive piece of equipment. A qualified human instructor is comparatively inexpensive, adaptable and already capable of working from a classroom to a swimming pool to an open-water dive.


The sensible position is not to dismiss robotics. Adoption will depend on safety, reliability, regulation, cost and what students actually value from their training experience.


What changes when a student enters the water


Learning to dive is not like sitting inside an autonomous vehicle while software does the work. The student is still responsible for breathing, buoyancy, gas management, equalisation, ascent control and responding correctly when something does not go to plan. Technology can monitor and advise, but the diver still has to perform.


Good instructors watch posture, breathing, eye contact, buoyancy and small changes in behaviour. They decide whether to continue, slow down, repeat a step or end the exercise. That decision considers not only whether a skill was completed, but also the student’s comfort, awareness and ability to remain in control.


This is where real-world judgement matters. The instructor is applying training standards while responding to a person, an environment and a moment that may not match a predictable script.


Trust and reassurance are part of the training


Students do not enter the water as identical users of a learning system. Some are immediately relaxed. Others need time to trust their equipment, their own ability and the person supervising them.


A capable instructor explains clearly, notices uncertainty and reassures without creating false confidence. They help a student distinguish normal nerves from a genuine safety concern. They also know when encouragement is useful and when pressure would be counterproductive.


Even if a robotic instructor eventually became technically better at identifying mistakes or predicting problems, many students would still prefer a calm, experienced human beside them while learning unfamiliar or stressful underwater skills. That relationship can be an important part of how confidence develops.


The value of individual coaching is central to the training approach described on the About Ed Bosworth page and throughout Professional Diver Training’s small-group programmes.


Judgement, responsibility and safety


Dive professionals are responsible for more than presenting correct information. They organise activities, evaluate readiness, manage risk and respond when a student’s behaviour or the environment changes.


That responsibility includes making decisions that may be inconvenient: changing a plan, reducing the difficulty of a session, repeating foundation skills or deciding that someone should not continue that day. It also includes communicating those decisions in a way that protects safety while preserving the student’s dignity and motivation.


Professional judgement develops through training, supervised practice and experience. It is one reason the Instructor Career Pathway extends beyond passing an examination and includes continued teaching, mentoring and leadership development.


Technology can strengthen a human-led profession


AI should not be treated only as a competitor. Instructors who use it responsibly may become better prepared, more organised and more responsive to individual students. Digital tools can support theory revision, highlight areas requiring attention and reduce routine administrative work.


The instructor still needs to validate information, apply current standards and decide whether a suggestion makes sense for the student and the situation. Good use of technology therefore requires professional competence rather than replacing it.


At more advanced levels, instructors also develop other professionals. An IDC Staff Instructor evaluates candidates, provides feedback and helps future instructors learn how to supervise and teach responsibly. Technology may support that process, but mentoring and professional example remain strongly human activities.


Is dive instruction a sensible career choice?


Dive instruction should not be presented as an effortless lifestyle or a guaranteed career. Employment can be seasonal, locations differ and new instructors need to build experience, reliability and a strong professional reputation. Technology will continue to change parts of the work.


There is also a straightforward economic reason human instructors may prove difficult to replace completely. As automation changes other employment, practical human-led careers may become increasingly attractive. If plenty of people continue wanting to work as dive professionals, replacing comparatively affordable instructors with sophisticated underwater robots becomes a difficult business case as well as a technological one—especially in destinations such as Thailand.


It can still be a rewarding career for people who enjoy teaching, practical responsibility and helping others develop confidence. Durable skills include communication, situational awareness, leadership, problem-solving and sound decision-making around people in the water. These are skills people still frequently want from people.


Preparing for a professional diving career


A strong preparation pathway starts with becoming a capable diver, then learning how to supervise, demonstrate, evaluate and communicate. The IDC develops teaching skills in the classroom, confined water and open water, followed by the Instructor Examination and continued professional development.


Prospective instructors should look for genuine teaching practice, individual feedback and experience working through real student problems. They should also expect to keep learning after certification. Specialty ratings, varied diving experience, mentoring and staff-level development all contribute to a more capable and employable instructor.


The Khao Lak IDC career page explains the current training experience, while the main IDC and career-pathway pages show how instructors can continue developing after their initial qualification.


Considering a professional diving career? Explore the PADI IDC pathway in Khao Lak and talk with Ed about the training, practical experience and mentoring involved in becoming a confident instructor.

Pricing your PADI IDC

How Much Does a PADI Instructor Development Course (IDC) Really Cost?

Your PADI Instructor Development Course (IDC) is a major investment in your future. With several different components and costs involved, it can sometimes be difficult to understand exactly what you're paying for.

To make matters more confusing, different PADI Course Directors and IDC centres often bundle items together in different ways, making it hard to compare courses on a like-for-like basis.

At Professional Diver Training, we believe in complete transparency. Rather than hiding costs in complicated packages, we price each element separately so you can make fair comparisons with other operators and build the package that best suits your needs. The following is based on completing your IDC at the award winning Go2 Similan 5 star PADI Career Development Centre in Khao Lak.

Our IDC Tuition

Our standard PADI IDC tuition fee is 40,000 THB.

This is payable on or before the first day of your course. We currently accept:

  • Wise
  • Revolut
  • Thai bank transfer
  • Cash
  • Other payment methods by prior arrangement

This fee covers your complete Instructor Development Course tuition.

PADI eLearning Crew Packs

Every IDC candidate requires the official PADI digital training materials.

These consist of:

  • Open Water Scuba Instructor (OWSI) Crew Pack – 24,000 THB
  • Emergency First Response Instructor (EFRI) Crew Pack – 5,500 THB

These digital materials include your required course manuals, knowledge development resources and the skill slates used during confined water and open water training.

Most students purchase these through us, and we normally use this payment as the course deposit before ordering the materials.

However, there are some exceptions. For example:

  • You may already own an unused crew pack from a previous IDC.
  • You may already be an Emergency First Response Instructor.
  • If unforeseen circumstances prevent you from completing your IDC with us, your unused PADI eLearning materials can normally be used at another PADI IDC centre.

Fees Payable Directly to PADI

Some costs are paid directly to PADI rather than to the dive centre.

As a PADI Asia Pacific region training centre, these fees are charged in Australian Dollars (AUD).

Current fees are:

  • Instructor Examination (IE): 1,190 AUD
  • OWSI Application: 364 AUD
  • EFR Instructor Application: 252 AUD

These fees are set by PADI and are subject to change.

Optional Training Packages

Many candidates choose to enhance their IDC with additional training to improve their employability.

Local Dive Experience — 10,000 THB

Planning to work in the Similan Islands?

If you're unfamiliar with the local dive sites, you can add up to one month of diving experience with one of our partner dive boats. This is an excellent way to build confidence and gain valuable local knowledge before seeking employment.

Extra Coaching Package — 10,000 THB

Not feeling completely confident with your diving skills or dive theory?

Our optional coaching package provides additional personalised tuition before your Instructor Examination, helping you arrive fully prepared.

Instructor Specialty Packages

One of the quickest ways to become more employable after your IDC is to qualify as a Specialty Instructor.

Our most popular package includes:

  • Deep Instructor
  • Wreck Instructor
  • Enriched Air (Nitrox) Instructor

Price: 16,500 THB

Many candidates instead choose our Advanced Specialty Package, which also includes:

  • Self-Reliant Diver
  • Self-Reliant Instructor
  • Emergency Oxygen Provider Instructor

Price: 33,700 THB

Please note that each Specialty Instructor certification also requires the applicable PADI certification fee (currently 145 AUD per specialty).

Once you hold five Specialty Instructor ratings and have certified 25 divers, you can apply to become a Master Scuba Diver Trainer (MSDT)—an important milestone in your professional diving career.

Accommodation

Accommodation is another cost that's easy to overlook when budgeting for your IDC.

We offer comfortable accommodation right here at the dive centre:

  • Air-conditioned private room
  • Balcony
  • Private bathroom
  • Double bed (suitable for one person or a couple)

Price: 10,000 THB per month

We also have shared dormitory accommodation available for students looking for a more economical option.

Example IDC Budget

A typical student might budget as follows:

ItemCost
IDC Tuition40,000 THB
Local Dive Experience10,000 THB
OWSI Crew Pack24,000 THB
EFRI Crew Pack5,500 THB
Deep, Wreck & Nitrox Instructor Package16,500 THB
Accommodation10,000 THB
Instructor Examination1,190 AUD
OWSI Application364 AUD
EFRI Application252 AUD
Three Specialty Applications435 AUD

Estimated Total (Prices and Exchange Rate as of: 28 July 2026)

  • 147,290 THB
  • 4,333 USD
  • 6,176 AUD
  • 3,828 EUR
  • 3,288 GBP

Exchange rates fluctuate daily, so these figures are intended as a guide only.

Is a PADI IDC Worth the Investment?

Although becoming a PADI Instructor represents a significant investment, it also opens the door to a career that can take you around the world.

For many people, it's the first step towards a lifestyle spent teaching diving, travelling internationally, and working in some of the world's most beautiful locations.

We believe that several weeks of professional instructor training in tropical Thailand represents exceptional value—especially when every cost is clearly explained before you book.

If you'd like a personalised quotation or would like to discuss which options best suit your goals, feel free to get in touch.

WhatsApp: +66 98662 7196

We look forward to helping you take the next step towards becoming a PADI Professional.

Course Director Ed

What do I need before starting my PADI IDC

What Do I Need Before Starting My PADI Instructor Development Course (IDC)?

So, you're considering taking the big step and becoming a PADI Open Water Scuba Instructor. What are the prerequisites?

1. Be a PADI Divemaster (or equivalent)

Before you can begin your IDC, you must be a PADI Divemaster or hold an equivalent professional-level certification from another recognised recreational diving agency.

Not a Divemaster yet? No problem—you can complete your Divemaster training with us before progressing to the IDC.

2. Be at Least 18 Years Old

You must be at least 18 years of age before starting your Instructor Development Course.

3. Have Been a Certified Diver for at Least Six Months

You must have been certified as an Open Water Diver (or equivalent) for a minimum of six months before attending the PADI Instructor Examination (IE).

4. Hold a Current First Aid Qualification

You must have completed Emergency First Response (EFR) or an equivalent first aid and CPR course within the previous 24 months.

If your certification has expired, don't worry—we can arrange an EFR course before your IDC.

5. Obtain Medical Clearance

You will need medical clearance from a physician before attending the Instructor Examination.

If you are in good health and can honestly answer "No" to all the questions on the WRSTC Medical Questionnaire, obtaining a diving medical in Thailand is usually straightforward and inexpensive.

However, if you have any pre-existing medical conditions, I strongly recommend obtaining medical clearance from your own doctor before travelling and before booking your course. This gives you plenty of time to deal with any additional tests or paperwork that may be required.

6. Have Sufficient Diving Experience

PADI requires you to have at least 100 logged dives before attending the Instructor Examination.

Although we complete a small number of open water dives during the IDC, it is not enough to significantly increase your dive count. Ideally, you should already have 100 logged dives before your IDC begins.

7. Complete the PADI eLearning

The IDC eLearning must be purchased and completed before the course starts.

The online learning is quite time-consuming, so I recommend beginning it at least two weeks before your IDC. If possible, give yourself even longer. Starting early allows you to work through the material properly without unnecessary stress.

8. Arrive with Professional-Level Dive Theory

This is where many candidates come unstuck.

The IDC is not a dive theory course. While the eLearning includes refresher material, you are expected to arrive already comfortable with professional-level diving knowledge.

Before your IDC, you should be able to:

  • Use the PADI Recreational Dive Planner (RDP) confidently.
  • Plan dives and calculate minimum surface intervals.
  • Understand all RDP special rules.
  • Explain pressure, depth and volume relationships.
  • Calculate the amount of gas required to inflate a lifting bag for various objects in both fresh and salt water.
  • Demonstrate a solid understanding of diving physics, physiology, equipment and skills.

On the very first day of the IDC, you'll most likely complete a five-section theory assessment.

Every year, I see candidates arrive without the level of dive theory expected of a Divemaster. This creates unnecessary stress during what is already a demanding course.

If you're a little rusty, I strongly recommend reviewing your training materials before your IDC, starting with the Open Water course and working your way through to Divemaster.

If you'd like additional help, ask about our optional pre-IDC preparation package. We can review dive theory in depth before your course begins, allowing you to start the IDC with confidence instead of trying to catch up once the course is underway.

9. Diving Equipment

Most IDC candidates already own their own equipment, and we would normally expect you to bring:

  • BCD
  • Regulator
  • Mask
  • Snorkel
  • Fins
  • Exposure suit

If you don't own equipment, or simply don't want to travel with it, quality rental equipment is available here.

Tanks and weights used during your IDC are included.

Are You Ready?

If you're thinking about becoming a PADI Instructor and would like to discuss whether you're ready to start your IDC, get in touch.

I'd be happy to answer your questions, review your experience, and help you choose the right course package for your goals.

Introducing Helium

Why We Use Helitrox on Our PADI Tec 50 Course

Around two years ago, there was a subtle but significant shift in the way many PADI TecRec instructors approach technical diving training.

The PADI TecRec standards still permit training dives to 50 metres using air where appropriate. However, increased emphasis on breathing gas density and the effects of nitrogen narcosis means that many instructors now consider helium to be the better choice for dives approaching 50 metres.

As depth increases, two things happen:

  • The density of the breathing gas increases, making it harder to breathe and increasing the risk of carbon dioxide retention.
  • The partial pressure of nitrogen increases, leading to progressively greater nitrogen narcosis.

Both factors can impair diver performance at depth. By replacing part of the nitrogen with helium, we reduce both the breathing gas density and the narcotic effect of the breathing mix.

The resulting gas, often referred to as Helitrox or normoxic trimix, allows divers to complete 50-metre dives with significantly lower narcosis while remaining within current PADI TecRec recommendations and accepted technical diving practices.

So why not use helium from the beginning?

The obvious drawback is cost.

Helium is considerably more expensive than air or nitrox and, depending on location, can sometimes be difficult to obtain.

For that reason, we believe a balanced approach offers the best value for most students.

We typically recommend conducting the Tec 40 and Tec 45 courses using air and nitrox, where these gases remain entirely appropriate. Helium is then introduced for the deeper dives of the Tec 50 course, where its benefits become much more significant.

This approach offers several advantages:

  • Keeps training costs under control.
  • Introduces divers to trimix in a logical progression.
  • Reduces gas density during the deepest dives.
  • Reduces the effects of nitrogen narcosis.
  • Allows students to experience trimix procedures before progressing to more advanced technical diving.

For divers planning to continue beyond Tec 50, this also provides an excellent foundation for future trimix training.

At Professional Diver Training in Khao Lak, Thailand, we believe technical diver education should balance safety, modern best practice and affordability. By introducing helium where it offers the greatest benefit, we can deliver high-quality TecRec training without unnecessarily increasing course costs.

We are on Kayak!

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Professional Diver Training Co. Ltd. Are now on Kayak, the number one travel guide to Phang Nga

If you are looking for. PADI Divemaster, Instructor, Speciality, Sidemount, Tec 40 45 50, Cavern and Trimix to Tec50TMX and beyond in Khao Lak, The Similan and Surin Islands contact course director Ed.

Looking to dive the Khao Lak Wrecks. We can help. We organise regular teips to The Seachart, Premchai, Sea Race, Boonsung and T13, and cater for recreational and technical divers. We also organise regular cave diving expeditions to Song Hong, Klang Cave, Sra Keow and other cave systems in the region. Training to full cave available on request.

From Office to Ocean: Start Your Journey to Becoming a PADI Professional

Have you ever dreamed of trading your office, workshop, kitchen, or construction site for crystal-clear water, tropical islands, and vibrant coral reefs?

If you're looking for a completely different lifestyle and a career that combines adventure, travel, and purpose, becoming a PADI Professional could be the opportunity you've been searching for.

Why Khao Lak?

Khao Lak is the gateway to some of Thailand's most spectacular diving destinations, including the world-famous Similan and Surin Islands.

Our diving year is divided into two distinct seasons. The high season runs from 15 October to 15 May, bringing the best weather, calm seas, excellent visibility, and access to the region's most sought-after dive sites. During this period, the Similan and Surin Islands National Parks are open, and both day boats and liveaboards operate daily.

A Proven Pathway to Becoming a Dive Instructor

One of the prerequisites for the PADI Instructor Development Course (IDC) is that you must have been a certified diver for at least six months before attending your Instructor Examination.

For many aspiring dive professionals, the ideal solution is to arrive in Khao Lak shortly before the start of the diving season.

We can guide you through every step of your professional development, including:

  • PADI Open Water Diver
  • PADI Advanced Open Water Diver
  • Emergency First Response (EFR)
  • PADI Rescue Diver
  • PADI Divemaster

This training pathway typically takes between five and six weeks, depending on your starting experience level.

Once qualified as a Divemaster, you'll have the opportunity to spend the season working alongside experienced dive professionals, guiding certified divers, assisting instructors, and gaining valuable real-world experience. You'll also build the dive experience and confidence that will prepare you for one of our late-season Instructor Development Courses.

Divemaster vs Instructor: What's the Difference?

A PADI Divemaster is the first professional level within the PADI system. Divemasters primarily work with certified divers, lead guided dives, conduct scuba refreshers, and assist instructors during training courses.

A PADI Open Water Scuba Instructor, on the other hand, is qualified to independently teach and certify new divers.

As an Instructor, you can:

  • Introduce people to the underwater world through PADI Discover Scuba Diving experiences
  • Teach PADI Open Water Diver courses
  • Help divers develop their skills through the Advanced Open Water program
  • Train rescue divers and future dive professionals
  • Build a rewarding career anywhere in the world where diving is offered

There are few careers that offer the opportunity to change lives while spending your working days in some of the most beautiful environments on the planet.

Your New Life Could Start Today

Another year will pass whether you take action or not.

The question is: where do you want to be when it does?

If you're ready to swap routine for adventure, meet like-minded people from around the world, and build a career in the diving industry, we'd love to help you get started.

Your journey from complete beginner to PADI Professional may be much closer than you think.

Contact us today to discuss your goals and create a personalised pathway to becoming a PADI Divemaster or Instructor in Khao Lak, Thailand.

Let me introduce myself

Course Director Ed Bosworth

With over 20 years of diving experience and more than a decade of professional teaching, Ed Bosworth has trained divers at every level, from complete beginners taking their first breaths underwater to Divemasters, Instructors, and technical divers pursuing advanced qualifications.

Having worked extensively throughout the UK, Thailand, and internationally, Ed's experience includes shipwreck diving, cave diving, mine diving, recreational diver training, professional-level education, and technical diver development. His diving adventures have taken him to the shipwrecks of the UK, the Red Sea, the Caribbean, Malaysia, Italy, Malta, the flooded mines of Germany, and the cave systems of Thailand.

Choosing the right trainer, whether you're considering becoming a PADI Professional or progressing into technical diving, can be a difficult decision. Training at this level represents a significant investment of both time and money, so it's important to find an instructor with the experience, knowledge, and commitment to help you achieve your goals.

Ed first discovered scuba diving while on holiday in Jamaica and began diving seriously in 2004. He completed his early training in England, where, as an active member of his local BSAC club, he gained extensive experience diving the shipwrecks of the southern UK coast and at inland training sites. His passion for diver education quickly developed through assisting with training, leading him to qualify as a BSAC Instructor in 2008. He later served as both Training Officer and Diving Officer for his club.

In 2010, Ed crossed over to PADI and continued teaching in the UK before making the decision in 2012 to turn his passion into a full-time profession. He relocated to Koh Tao, Thailand, where he joined one of the island's leading Instructor Development Centres and began training divers and professionals full-time.

Alongside his professional teaching career, Ed developed a strong interest in technical diving, progressing through Tec 50, Extended Range, and Full Cave Diver qualifications. He also qualified as a service technician for Aqualung and Scubapro equipment. As his experience grew, he became increasingly involved in professional-level training, supervising Divemaster programmes, teaching Gas Blender and Powerboat Diver Coxswain courses, and eventually progressing to technical diving instructor level. He initially qualified with IANTD before crossing his technical credentials over to PADI to align with the 5-Star PADI Instructor Development Centre where he was working.

Today, Ed continues to teach a wide range of recreational, professional, and technical diving courses. His teaching philosophy is simple: safety comes first. This means not only conducting courses to the highest safety standards, but also ensuring that every student develops the skills, confidence, and judgement needed to dive safely and independently long after their training is complete.

Ed aims to make every course enjoyable, supportive, and as low-stress as possible, while ensuring that each student receives the individual attention they need to succeed. His goal is not simply to help students pass an exam, but to develop competent, confident, and capable divers and instructors who are fully prepared for the challenges of the underwater world.

If you're interested in becoming a PADI Professional or advancing your skills as a technical diver, get in touch to discuss your goals and the training options available. Ed would be happy to help you find the right path for your diving journey.

What do the students say?

'His friendly, no pressure approach he somehow still manages to teach the most important lessons in ways you will remember.

'If your looking at diving for the first time, want to be prepared for your IDC or brush up on your tec skills then Ed is the guy.' Josh Moss 2026

'Brilliant, funny and endlessly knowledgeable about all things diving' Ryan Fochs 2025

Ed Bosworth - PADI Course Director & Tec Instructor

Cave Diving in Thailand: A Refresher at Song Hong

Recently, I caught up with an old friend, Dave Polley, to spend some time refreshing cave diving skills at the well-known Song Hong cave system in Thailand.

While most of our training at Professional Diver Training focuses on recreational and technical diving, cave diving represents a very different environment — one that requires specialised training, planning, and discipline.

The session was a great opportunity to revisit key skills, procedures, and protocols that are essential when diving in overhead environments. Even for experienced technical divers, cave diving demands a higher level of precision and awareness.

Training was conducted through ProTec standards, which are widely recognised in the technical and cave diving community.

For those interested in taking their diving further, structured cave training — including Cavern, Intro to Cave, and Full Cave programs — is available in Thailand through Tech Diving Thailand.

👉 ProTec cave diving courses in Thailand

Cave diving is not part of the recreational training pathway and is offered through separate technical diving agencies, but it’s an exciting direction for divers looking to continue progressing their skills.

As we continue to develop our technical diving programs, this is an area we’re looking to expand into in the future.

Ed Bosworth PADI Course Director cave diving training Thailand

What Makes a Great Instructor? Insights from My Years of Training Divers

I’ve met so many divers who are curious about technical diving but hesitant — thinking it’s only for elite divers or adrenaline junkies.

It isn’t.

Technical divers are thinkers.
They’re planners.
They’re people who care about doing things properly.

If you’ve got solid buoyancy, situational awareness, and a desire to understand your diving rather than just do it — you’re already halfway there.

Here’s how most divers start the progression:

  • AOW

  • Rescue

  • Nitrox

  • Deep

  • Then Tec 40

At Tec 40, everything changes — your awareness expands, your thinking deepens, and you start to appreciate the beauty of disciplined diving.

You don’t have to be fearless or intense.
You just need to be curious and committed.