Are you ready to take your diving instruction career to the next level? Our RAID Instructor Crossover (XO) course with Rafael “Rafa” Mellado is the gateway to a world of expanded possibilities and unparalleled expertise. Whether you want to improve your skills and knowledge or take advantage of RAID’s zero-fee membership, we have you covered.

Rafa is here to elevate your diving career to new heights. As one of the finest XO instructor trainers in the industry, his course is designed for instructors from other recognized diving agencies seeking to make the switch to RAID. With Rafa as your guide, you will embark on a transformative journey that will equip you with the knowledge and skills necessary to excel as a RAID instructor.

RAID Instructor Crossover Course Outline

1. RAID XO Presentation Workshop

  • Introduction to RAID’s origins,  philosophies and differences from other agencies
  • Overview of the RAID XO program.
  • Understanding the importance of excellence in instruction

2. RAID Standards & Risk Management

  • Comprehensive review of RAID’s training and safety standards
  • Ensuring alignment with RAID’s commitment to excellence
  • Learn RAID’s risk management systems

3. RAID’s Online System & Quality Control

  • In-depth exploration of RAID’s efficient online platform
  • Hands-on training for navigating and utilizing the system effectively
  • Role-play student & instructor processes & skill sign off
  • Orientation to RAID’s digital logbook

4. Buoyancy Workshop

  • Learn RAID’s signature buoyancy control techniques
  • Application of buoyancy skills for teaching

5. Pro Skills Evaluation for XO Skills

  • Assessment of RAID’s unique diving skills
  • Prepare instructors to teach these skills with precision

6. Instructor Level Theory Review

  • Review of key theoretical concepts
  • Ensure a deep understanding of diving principles

7. Classroom Academic Presentation Review

  • Guidance on the RAID classroom teaching system
  • Enhance presentation skills for engaging and educating students


crossover packages

XO Instructor Enhancement (5 days)

Do you already have proficient knowledge in safe diving practices? 

Do you have a good understanding of Nitrox including CNS and OTUs?

Can you conduct skills flawlessly while neutrally buoyant?

Have you mastered briefing skills for efficiency and clarity?

If yes to all of the above, then you can jump into our 3-day base crossover.

However, if you would like to improve your skill set we recommend the 5-day Crossover Enhancement Program. 

  • Personal buoyancy workshop to help you master these techniques
    • weighting
    • hovering in trim
    • propulsion techniques
    • reverse kicking and helicopter turns
  • Deco theory workshop
  • Physics & Physiology workshop
  • Dive planning
  • Briefings workshop
  • First Aid & O2 review

Packages start at 25,000 THB


Must be 18 years of age minimum. 

Must be a certified RAID Divemaster (or equivalent agency), and have a current First Aid & Oxygen Provider certificate. 

Prior to any Instructor Crossover, RAID Instructor candidates must acquire Nitrox, Deep 40 as a requirement which can be completed during the RAID Instructor Crossover Program.

Have a minimum of 100 logged underwater hours using Open Circuit.

Have logged navigation, night dive or limited visibility.

Have a recent medical certificate from a medical professional stating you are fit to dive.

About Rafa Mellado

Portrait of a Rafa, Crossover Instructor Trainer.

Fueled by an enduring passion for the ocean, my career journey evolved from a deckhand to pivotal roles as a leading hand and relief bosun on prestigious mega yachts. Upholding impeccable safety standards and delivering exceptional customer service defined my trajectory in the maritime world.

Yachting sparked a transformative career shift as I embraced the role of a dive instructor, exploring captivating dive locations worldwide. The introduction of RAID and its groundbreaking teaching concept reshaped my perception of diving. Now armed with profound insights I am dedicated to sharing this knowledge with the next generation of dive professionals.

My vision blending technical expertise with a deep respect for the marine environment. The fusion of yachting skills with the RAID WAY is the foundation of my approach to diving education, creating a pathway for the next generation to embrace the underwater world with expertise, passion, and a steadfast commitment to its preservation. 

Why Choose Hydronauts?​

RAID Instructors​

Our experienced instructors are hand-picked, highly trained, and passionate about scuba diving. We tailor each course and dive to your unique needs.

Beachfront Diving Resort​

Southwestern-facing property including a dive shop, hotel, training pool, cafe & restaurant, dive boat, and beach bar. We offer diving & accommodation packages for every budget.

Guaranteed Small Groups

We guarantee small groups of no more than four students to an instructor or dive guide so that you get the individual attention you deserve.

State-of-the-Art Equipment

We choose to dive and teach in Backplate & Wing BCD with a Long-hose, Short-hose regulator configuration favored by technical divers.

Dive Anywhere in the World

Upon completion of your RAID scuba diving course, you will be issued with an e-certification card that recognizes you as an internationally certified scuba diver.

Low Carbon Footprint

We make every effort to reduce our footprint and use of paper and plastic. All our course materials are hosted online giving you access for life.

Reserve your space now