Scuba Diving International (SDI)
SDI 5-Star Instructor Training Facility | N9BO℠ Thailand
SDI (Scuba Diving International) delivers modern, computer-based recreational scuba diving training, designed for divers seeking a streamlined and technology-driven learning experience. SDI programmes emphasise practical diving skills, real-world procedures, and the early integration of dive computers, allowing students to train using the same tools they will rely on during certified dives.
N9BO℠ is an SDI-certified training provider and 5-Star Instructor Training Facility in Thailand, delivering structured, performance-driven instruction to divers progressing from entry-level certification through advanced recreational and professional development pathways. SDI courses emphasise modern dive planning, computer-based gas management, buoyancy control, trim, and situational awareness, ensuring divers build strong foundational skills while preparing for leadership, specialty, and instructor-level qualifications within a globally recognised training system.
SDI programmes are well-suited for divers who value flexibility and long-term progression. The curriculum aligns seamlessly with leadership and technical pathways, including SDI professional ratings and TDI technical courses, while remaining fully compatible with training received through other internationally recognised agencies. As such, SDI provides a solid and adaptable platform for divers whose goals may evolve from recreational enjoyment to advanced, professional, or technical diving over time.
SDI Professional Crossover – Seamless Instructor Transition
N9BO℠ now provides the updated SDI Professional Crossover – Professional Familiarisation program for active dive instructors and divemasters wishing to join the SDI family. The enhanced multilingual e-Learning platform simplifies the transition process while ensuring full standards alignment and smooth administrative integration. Built to support global professional growth, the programme allows instructors to maintain teaching continuity and expand career opportunities. For instructors in active teaching status, the crossover can be completed remotely through guided online sessions for maximum flexibility.
Join SDI with Confidence
Expand your teaching opportunities and transition agencies smoothly and professionally.
SDI Courses
SDI [Divers with Disabilities training programmes]
- Scubility Surface Buddy
- Scubility DB1 Open Water Diver
- Scubility Dive Buddy
- Scubility DB2 Open Water Diver
- Scubility DB3 Open Water Diver
- Junior Scubility DB1 Open Water Diver
- Junior Scubility DB2 Open Water Diver
- Junior Scubility DB3 Open Water Diver
- Scubility Advanced Diver
- Scubility Scuba Discovery
- Scubility DB1 Indoor Diver
- Scubility DB2 Indoor Diver
- Scubility DB3 Indoor Diver
SDI Specialities
- Solo™ Diver
- Divemaster
- Dive Experience Leader
- Air Fill Station Technician
- Visual Inspection Procedures (VIP)
- Sidemount Diver
- Full Face Mask Diver
- Altitude Diver
- Boat Diver
- Computer Nitrox Diver
- Computer Diver
- Deep Diver
- Diver Propulsion Vehicle Diver
- Drift Diver
- Equipment Specialist
- Ice Diver
- Marine EcoSystems Awareness Diver
- Underwater Navigation Diver
- Night / Limited Visibility Diver
- Underwater Photography Diver
- Search and Recovery Diver
- U/W Hunter and Collector
- Wreck Diver
- Dry Suit Diver
- Advanced Buoyancy Diver
- Scuba Discovery
- Master Scuba Diver
- Advanced Scuba Diver
- Advanced Adventure Diver
- Shallow Water Scuba Diver
- Future Buddies Program
- Supervised Diver
- Research Diver
- Indoor Diver
- Delayed Surface Marker Buoy Course
- Marine Ecosystems Awareness: Snorkeler
- Marine Ecosystems Awareness: Academics Only
SDI (Scuba Diving International) places strong emphasis on modern equipment configurations, real-world diving practices, and performance-based outcomes rather than strictly time-based requirements. Training focuses on how divers actually dive today, incorporating current technology, streamlined procedures, and realistic scenarios. This approach allows instructors to tailor training to the diver’s experience and environment while still fully complying with internationally recognised standards.
In practice, this means skills are evaluated on demonstrated competence, not simply on the number of dives or hours spent in the water. Divers progress once they meet clear performance objectives, which promotes confidence, consistency, and safer diving habits across a wide range of environments.
Yes. SDI is designed to integrate seamlessly with TDI (Technical Diving International), which is one of the world’s leading technical diving agencies. Many divers begin their professional development with SDI Divemaster and later progress naturally into technical training such as Advanced Nitrox, Decompression Procedures, and Extended Range through TDI. This continuity ensures consistent standards, terminology, and skill development across recreational and technical levels.
From a training perspective, this integration reduces duplication and supports a logical progression in complexity, depth, and task loading. Divers who follow this pathway benefit from a unified training philosophy that bridges recreational leadership and technical diving in a structured and efficient manner.
Yes. Combining SDI and TDI courses is a common and efficient training pathway, especially for divers progressing toward technical or leadership levels. For example, SDI Rescue or Divemaster training can be conducted alongside introductory technical skills workshops or TDI foundational courses, where appropriate. This integrated approach reduces redundancy, improves skill transfer, and creates a coherent long-term development plan.
When structured correctly, combined training allows divers to see how recreational leadership skills translate directly into technical discipline, risk management, and team awareness. This holistic approach is particularly valued by divers planning extended-range, overhead, or expedition-level diving in the future.
Yes, of course! SDI certifications are internationally recognised and accepted worldwide by dive centres, resorts, and liveaboards. SDI operates under internationally accepted diver training frameworks and is part of a global training organisation with representation across Europe, Asia, the Americas, and beyond. SDI certifications are widely recognised for both recreational and professional diving activities.
In addition, SDI professional certifications are recognised by many employers and training facilities as evidence of structured training, documented competence, and adherence to internationally accepted standards. This makes SDI a reliable choice for divers who travel frequently or operate across different regions.
You may qualify to crossover to SDI if you hold one of the following ratings:
- ACUC Open Water Instructor
- ANDI Instructor
- BSAC Open Water Instructor
- CMAS: BEFOS-FEBRAS Two Star Instructor
- CMAS: CFT Two Star Instructor
- CMAS: DSF Two Star Instructor
- CMAS: FIAS Two Star Instructor
- CMAS: TDIF Two Star Instructor
- CMAS: VDST Two Star Instructor
- CMAS: VDTL Two Star Instructor
- DDI Instructor
- IAC Open Water Instructor
- IDEA Open Water Instructor
- ISDA Open Water Instructor
- NASDS OWSD Instructor
- NAUI Instructor
- NDL 2
- PADI Open Water Scuba Instructor
- PDA Instructor
- PDIC Instructor
- PSS Sua Instructor
- SNSI DM Instructor
- SSI Open Water Instructor
- WOSD Instructor Level 2
- GUE Rec 1 Instructor
Need Advice or Clarification?
If you have questions about course structure, prerequisites, or training objectives, we’re happy to advise.
