Training

Introductory scuba experience in a pool for non-certified participants. No prerequisites. Min age 8. Ratio 2:1.

Entry-level BSAC certification. Min age 14 (Junior 12 with parental consent). Pool training plus 4 open water dives. Certifies to 20 m. Ratio 4:1 pool, 4:1 open water.

Intermediate BSAC certification. Min age 16. Prerequisite: Ocean Diver with 20 logged dives. 6 qualifying open water dives. Certifies to 35 m. Ratio 4:1.

Leadership-level BSAC certification. Min age 17. Prerequisite: Sports Diver with 100 logged dives. Certifies to 35 m as independent leader. Ratio 4:1.

Advanced BSAC certification. Min age 18. Prerequisite: Dive Leader with 200 logged dives. Certifies to 50 m. Ratio 4:1.

Expert BSAC diver grade. Min age 18. Prerequisite: Advanced Diver with 500 logged dives. Recognized as a highly experienced diver with leadership and training capability.

Entry-level BSAC snorkelling certification. No prerequisites. Min age 8. Pool and open water sessions. Ratio 6:1.

Advanced BSAC snorkelling certification. Prerequisite: Snorkel Diver. Min age 10. Pool and open water. Ratio 6:1.

Dive boat operation and safety. Min age 17. Prerequisite: Ocean Diver. Theory and practical sessions. Ratio 4:1.

Drysuit use and buoyancy control. Min age 16. Prerequisite: Ocean Diver. Pool and 2 open water dives. Ratio 4:1.

Enriched air nitrox diving theory and practice. Min age 16. Prerequisite: Ocean Diver. 2 open water dives. Ratio 4:1.

Underwater navigation using compass and natural references. Min age 16. Prerequisite: Ocean Diver. 2 open water dives. Ratio 4:1.

Night diving skills and techniques. Min age 16. Prerequisite: Ocean Diver. 3 open water night dives. Ratio 4:1.

Underwater search patterns and object recovery. Min age 16. Prerequisite: Sports Diver. 4 open water dives. Ratio 4:1.

Underwater photography and video skills. Min age 16. Prerequisite: Ocean Diver. 2 open water dives. Ratio 4:1.

Wreck diving skills and exploration. Min age 18. Prerequisite: Sports Diver. 4 open water dives. Ratio 4:1.

First aid and CPR tailored for divers. No prerequisites. Min age 16. Ratio 8:1. Rec hours 8.

Emergency oxygen administration for dive injuries. Min age 16. No diving prerequisite. Ratio 8:1. Rec hours 4.

Diver rescue and emergency management. Min age 16. Prerequisites: Sports Diver, First Aid for Divers. 4 open water rescue scenarios. Ratio 4:1.

Introduction to technical decompression diving to 35 m. Min age 18. Prerequisites: Advanced Diver, Nitrox. 1 confined water, 4 open water dives. Ratio 3:1. Rec hours 20.

Technical decompression diving to 50 m. Min age 18. Prerequisite: Tec 35. 1 confined water, 5 open water dives. Ratio 2:1. Rec hours 25.

Trimix diving with helium-based gas blends. Min age 18. Prerequisite: Tec 50. 1 confined water, 5 open water dives. Ratio 2:1. Rec hours 25.

First BSAC instructor grade. Min age 18. Prerequisite: Dive Leader. Assists Instructors in pool and open water training. Ratio 2:1 when assisting.

Primary BSAC Instructor certification. Min age 18. Prerequisites: Dive Leader, Assistant Instructor. Can independently teach Ocean Diver and Sports Diver courses. Ratio 4:1.

Advanced BSAC Instructor certification. Min age 18. Prerequisites: Instructor, Advanced Diver. Can teach all BSAC diver grades. Ratio 4:1.

Highest BSAC Instructor grade. Min age 21. Prerequisites: Advanced Instructor, First Class Diver. Trains and examines new Instructors at all levels.

BSAC Snorkel Instructor certification. Min age 18. Prerequisite: Ocean Diver. Teaches BSAC Snorkel Diver and Advanced Snorkel Diver courses.

Introductory scuba experience in confined water for non-certified participants. No prerequisites. Min age 8. Ratio 4:1.

Entry-level CMAS certification. Min age 14 (Junior 10 with parental consent). 4 confined water sessions, 4 open water dives. Certifies to 20 m with a 2-star or higher buddy. Ratio…

Intermediate CMAS certification. Min age 16 (Junior 14). Prerequisite: 1-Star Diver. 20 logged dives required. 4 open water dives. Certifies to 30 m independently. Ratio 4:1.

Advanced CMAS certification. Min age 18. Prerequisite: 2-Star Diver. 50 logged dives required. 6 open water dives. Certifies to 40 m. Ratio 4:1.

Entry-level CMAS certification for juniors ages 10-13. Confined water plus 4 open water dives. Certifies to 12 m with certified adult. Ratio 4:1.

Refresher program for lapsed CMAS certified divers. Prerequisite: Any CMAS certification. Confined water review plus 1 guided open water dive. Ratio 4:1.

Diving at altitude above 300 m. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Boat diving procedures and safety. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Introduction to cavern and cave diving environments. Min age 18. Prerequisite: 3-Star Diver. 4 open water/cavern dives. Ratio 2:1.

Deep diving skills and planning to 40 m. Min age 18. Prerequisite: 2-Star Diver. 4 open water dives. Ratio 4:1.

Drift diving techniques in current environments. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Dry suit use and buoyancy control. Min age 16. Prerequisite: 1-Star Diver. 1 confined water, 2 open water dives. Ratio 4:1.

Nitrox diving theory and skills. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Ice diving skills and safety procedures. Min age 18. Prerequisite: 2-Star Diver. 3 open water/ice dives. Ratio 2:1.

Marine ecosystem awareness and identification. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Underwater navigation using compass and natural references. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Night diving skills and techniques. Min age 16. Prerequisite: 1-Star Diver. 3 open water night dives. Ratio 4:1.

Underwater photography and video techniques. Min age 16. Prerequisite: 1-Star Diver. 2 open water dives. Ratio 4:1.

Underwater search patterns and object recovery. Min age 16. Prerequisite: 2-Star Diver. 4 open water dives. Ratio 4:1.

Sidemount configuration and diving techniques. Min age 18. Prerequisite: 2-Star Diver. 1 confined water, 3 open water dives. Ratio 3:1.

Wreck diving skills and exploration. Min age 18. Prerequisite: 2-Star Diver. 4 open water dives. Ratio 4:1.

Basic first aid and CPR for divers and non-divers. No prerequisites. Min age 14. Ratio 8:1. Rec hours 6-8.

Diver rescue and emergency management. Min age 16. Prerequisites: 2-Star Diver, First Aid & CPR. 4 open water rescue scenarios. Ratio 4:1.

Emergency oxygen administration for dive injuries. Min age 16. No diving prerequisite. Ratio 8:1. Rec hours 4.

Entry-level CMAS freediving certification. Min age 14. Confined water and open water sessions. Ratio 4:1. Rec hours 10-12.

Intermediate CMAS freediving certification to 20 m. Min age 16. Prerequisite: 1-Star Freediver. Pool and open water. Ratio 4:1. Rec hours 14-16.

Advanced CMAS freediving certification to 30 m. Min age 18. Prerequisite: 2-Star Freediver. Pool and open water. Ratio 2:1. Rec hours 16-20.

Introduction to decompression diving. Min age 18. Prerequisites: 3-Star Diver, Enriched Air Nitrox. 1 confined water, 4 open water dives. Ratio 3:1. Rec hours 20.

Trimix diving with helium-based gas blends. Min age 18. Prerequisite: Technical Diver -- Decompression. 1 confined water, 5 open water dives. Ratio 2:1. Rec hours 25.

Closed circuit rebreather diving. Min age 18. Prerequisites: 2-Star Diver, Enriched Air Nitrox. 2 confined water, 4 open water dives. Ratio 2:1. Rec hours 24.

First CMAS professional level. Min age 18. Prerequisites: 3-Star Diver, Rescue Diver, First Aid & CPR. 100 logged dives. Ratio 4:1. Rec hours 40.

Primary CMAS Instructor certification. Min age 18. Prerequisites: Divemaster, 150 logged dives. Ratio 6:1 confined, 4:1 open water. Rec hours 60.

Advanced CMAS Instructor certification. Min age 18. Prerequisites: 1-Star Instructor, 300 logged dives. Ratio 4:1. Rec hours 40.

Master CMAS Instructor and Instructor Trainer. Min age 21. Prerequisites: 2-Star Instructor, 500 logged dives. Ratio 4:1. Rec hours 40.

CMAS Freediving Instructor certification. Min age 18. Prerequisite: 2-Star Freediver. Ratio 4:1. Rec hours 24.

One-day emergency first aid qualification for appointed persons and low-risk workplaces. No prerequisites. Max 12 students per Trainer. Duration 1 day.

Full three-day first aid at work qualification meeting HSE requirements. No prerequisites. Max 12 students per Trainer. Duration 3 days.

Two-day requalification course for existing FAW certificate holders within the validity window. Prerequisite: current or recently lapsed First Aid at Work certificate. Max 12 students. Duration 2 days.

Guidance session to assist organisations in completing a workplace first aid needs assessment in accordance with HSE requirements. No formal prerequisites. Duration half day.

Half-day course covering adult basic life support and automated external defibrillator (AED) operation. No prerequisites. Max 12 students. Duration half day.

Annual half-day refresher to maintain first aid skills between formal requalification courses. Prerequisite: any current first aid certificate. Max 12 students.

Focused adult CPR skills course. No prerequisites. Max 12 students per Trainer. Duration 2–4 hours.

Focused infant and child CPR skills course. No prerequisites. Max 12 students per Trainer. Duration 2–4 hours.

Combined adult and paediatric CPR skills course. No prerequisites. Max 12 students. Duration half day.

Half-day standalone AED awareness and operation course. No prerequisites. Max 12 students.

One-day paediatric first aid course for those working with children. No prerequisites. Max 12 students. Duration 1 day.

Two-day Ofsted-compliant paediatric first aid qualification for childcare settings. No prerequisites. Max 12 students. Duration 2 days.

One-day requalification for existing Paediatric First Aid certificate holders. Prerequisite: current or recently lapsed Paediatric First Aid certificate. Max 12 students.

Half-day fire warden training for designated fire safety personnel. No prerequisites. Max 12 students.

Half-day manual handling awareness and practical course. No prerequisites. Max 12 students.

Half-day anaphylaxis recognition and auto-injector administration course. No prerequisites. Max 12 students.

Half-day mental health awareness session for all workplace staff. No prerequisites. Max 25 students.

Two-day certificated Mental Health First Aider qualification. No prerequisites. Max 16 students.

One-day course in emergency oxygen administration for non-medical workplace responders. No prerequisites. Max 12 students.

One-day aquatic emergency response course for water sports, diving, and marine industry personnel. No diving prerequisites. Max 12 students.

One-day dive-specific emergency first response course covering DCI recognition, oxygen administration, and emergency procedures. Recommended for active divers. Max 12 students.

Multi-day marine emergency medical technician course for offshore, commercial marine, and expedition personnel. Prerequisite: current First Aid at Work or equivalent. Max 8 students.

Half-day practical course in water-based spinal injury management. No prerequisites. Max 8 students. Pool or open water environment required.

Two-day intermediate first person on scene qualification for security, sports, and event industry personnel. No formal prerequisites. Max 12 students.

Four-day enhanced first person on scene qualification for close protection, event medical, and high-risk environment personnel. Prerequisite: FPOS Intermediate or equivalent. Max 8 students.

One-day tactical trauma management course for security and high-risk environment personnel. No formal prerequisites. Max 8 students.

Half-day standalone course in tourniquet application and wound packing for haemorrhage control. No prerequisites. Max 8 students.

Three-day FRTI Trainer qualification authorising delivery of FRTI Core First Aid, CPR, and Paediatric First Aid programmes. Prerequisites: current First Aid at Work certificate, minimum 2 years first aid experience.…

Three-day FRTI Advanced Trainer qualification extending delivery rights to Occupational, Professional Responder, and Marine & Aquatic programmes. Prerequisite: FRTI Trainer with minimum 12 months active delivery. Max 6 candidates.

Four-day Trainer Assessor qualification for experienced FRTI Advanced Trainers wishing to assess and quality-assure other FRTI Trainers. Prerequisite: FRTI Advanced Trainer with minimum 2 years active delivery. Max 4 candidates.

One-day annual renewal for all FRTI Trainers and Advanced Trainers to maintain active delivery status. Prerequisite: current FRTI Trainer or Advanced Trainer registration. Max 12 candidates.

Introductory scuba experience in confined water using GUE configuration. No prerequisites. Min age 16. Ratio 2:1.

Foundation course covering GUE diving philosophy, equipment configuration, buoyancy, trim, propulsion, and team diving. Min age 16. Prerequisite: None (non-certified track) or any certification (certified track). 6 confined water sessions,…

GUE entry-level recreational certification to 18 m. Min age 16. Prerequisite: GUE Fundamentals. 4 open water dives. Ratio 3:1.

Intermediate GUE recreational certification to 30 m with nitrox. Min age 18. Prerequisite: Rec 1 or GUE Fundamentals with qualifying dives. 4 open water dives. Ratio 3:1.

Advanced GUE recreational certification to 40 m. Min age 18. Prerequisite: Rec 2 with 100 logged dives. 4 open water dives. Ratio 3:1.

Introduction to overhead environments within the daylight zone. Min age 18. Prerequisites: GUE Fundamentals, Rec 1. 4 cavern dives. Ratio 3:1.

Full cave diving certification using single tanks. Min age 18. Prerequisites: Cavern Diver, 100 logged dives. 8 cave dives. Ratio 3:1.

Advanced cave diving with doubles and stage cylinders. Min age 18. Prerequisites: Cave Diver 1, Tech 1, 200 logged cave dives. 8 advanced cave dives. Ratio 2:1.

Introduction to decompression diving to 45 m with nitrox deco gas. Min age 18. Prerequisites: Rec 2 or equivalent, GUE Fundamentals. 2 confined water, 6 open water dives. Ratio 3:1.

Normoxic trimix diving to 60 m. Min age 18. Prerequisites: Tech 1, 100 decompression dives. 2 confined water, 6 open water dives. Ratio 3:1.

Deep hypoxic trimix diving to 100 m. Min age 21. Prerequisites: Tech 2, 200 decompression dives. 2 confined water, 6 open water dives. Ratio 2:1.

Foundation CCR course using GUE configuration. Min age 18. Prerequisites: Tech 1 or Cave 1. 4 confined water, 4 open water dives. Ratio 2:1.

CCR technical decompression diving to 45 m. Min age 18. Prerequisites: CCR Fundamentals, 50 CCR dives. 2 confined water, 6 open water dives. Ratio 2:1.

CCR trimix decompression diving to 60 m. Min age 18. Prerequisites: CCR Tech 1, 100 CCR dives. 2 confined water, 6 open water dives. Ratio 2:1.

Primary GUE Instructor certification. Min age 21. Prerequisites: GUE Fundamentals (Pass), Rec 2 or Tech 1, 200 logged dives, active GUE membership. Ratio 3:1. Rec hours 40.

GUE Technical Instructor certification. Min age 21. Prerequisites: GUE Instructor, Tech 1, 300 logged dives. Ratio 3:1. Rec hours 30.

GUE Cave Instructor certification. Min age 21. Prerequisites: GUE Instructor, Cave Diver 1, 300 logged dives. Ratio 3:1. Rec hours 30.

Highest GUE Instructor grade. Min age 25. Prerequisites: Technical Instructor or Cave Instructor, 500 logged dives, GUE Board approval. Trains and examines new GUE Instructors.

Introductory scuba experience in confined water. No prerequisites. Min age 10. Ratio 4:1.

Entry-level IANTD certification. Min age 15 (Junior 10). Online/classroom theory, confined water sessions, 4 open water dives. Certifies to 18 m. Ratio 6:1 confined, 4:1 OW.

Advanced recreational certification to 30 m. Min age 15. Prerequisite: Open Water Diver. 4 open water dives including deep and navigation. Ratio 4:1.

Highest non-professional IANTD recreational rating. Min age 18. Prerequisites: Sport Diver, Rescue Diver, 4 IANTD Specialty certifications, 50 logged dives.

Diver rescue and emergency management. Min age 15. Prerequisites: Sport Diver, First Aid & CPR. 4 open water rescue scenarios. Ratio 4:1.

First aid and CPR for divers and non-divers. No prerequisites. Min age 15. Ratio 8:1. Rec hours 6-8.

IANTD's original nitrox course -- recreational nitrox diving to 40 m. Min age 15. Prerequisite: Open Water Diver. Online theory, 2 open water dives. Ratio 4:1.

Technical nitrox diving using nitrox mixes up to 100% O2 for decompression. Min age 18. Prerequisites: Sport Diver, Nitrox Diver. 2 confined water, 4 open water dives. Ratio 3:1.

Nitrox and oxygen gas blending procedures. Min age 18. Prerequisite: Nitrox Diver. Ratio 6:1. Rec hours 8.

Introduction to planned decompression diving to 45 m. Min age 18. Prerequisites: Advanced Nitrox Diver. 2 confined water, 4 open water dives. Ratio 3:1.

Normoxic trimix diving to 60 m. Min age 18. Prerequisites: Decompression Procedures Diver, 50 decompression dives. 2 confined water, 5 open water dives. Ratio 3:1.

Full trimix diving with hypoxic mixes to 75 m. Min age 18. Prerequisites: Normoxic Trimix Diver, 100 decompression dives. 2 confined water, 5 open water dives. Ratio 2:1.

Deep trimix diving beyond 75 m. Min age 21. Prerequisites: Trimix Diver, 200 decompression dives. 2 confined water, 6 open water dives. Ratio 1:1.

Sidemount configuration and techniques. Min age 18. Prerequisite: Sport Diver. 1 confined water, 3 open water dives. Ratio 3:1.

Introduction to overhead cave environments within the light zone. Min age 18. Prerequisites: Sport Diver, Nitrox Diver. 4 cavern dives. Ratio 3:1.

Full cave diving with single tanks, limited penetration. Min age 18. Prerequisites: Cavern Diver, 50 logged dives. 6 cave dives. Ratio 3:1.

Full cave penetration with doubles and stage cylinders. Min age 18. Prerequisites: Intro to Cave, Advanced Nitrox, 100 logged cave dives. 8 full cave dives. Ratio 2:1.

Entry-level CCR certification. Min age 18. Prerequisites: Advanced Nitrox Diver. 4 confined water, 4 open water dives on specific unit. Ratio 2:1.

Technical CCR decompression diving to 45 m. Min age 18. Prerequisites: CCR Diver, Decompression Procedures, 50 CCR dives. 2 confined water, 5 open water dives. Ratio 2:1.

CCR trimix decompression diving to 75 m. Min age 18. Prerequisites: Advanced CCR, CCR Normoxic Trimix, 100 CCR decompression dives. 2 confined water, 5 open water dives. Ratio 2:1.

First IANTD professional level. Min age 18. Prerequisites: Rescue Diver, 4 Specialty certifications, 60 logged dives. Ratio 6:1. Rec hours 40.

Primary IANTD Instructor certification. Min age 18. Prerequisites: Divemaster, 100 logged dives. Ratio 6:1 confined, 4:1 OW. Rec hours 60.

IANTD Technical Instructor certification. Min age 18. Prerequisites: Instructor, Decompression Procedures Diver. Ratio 3:1. Rec hours 30.

IANTD Cave Instructor certification. Min age 21. Prerequisites: Instructor, Full Cave Diver, 200 logged cave dives. Ratio 3:1. Rec hours 30.

IANTD CCR Instructor certification. Min age 18. Prerequisites: Instructor, Advanced CCR Diver. Ratio 2:1. Rec hours 30.

IANTD Course Director and Instructor Trainer. Min age 21. Prerequisites: Instructor, 200 logged dives, 2 years teaching experience. Ratio 6:1. Rec hours 40.

Introductory scuba experience in confined water for non-certified participants. No prerequisites. Min age 10. Ratio 4:1.

Entry-level abbreviated NAUI certification. Min age 15 (Junior 10). 3 confined water sessions, 2 open water dives. Certifies to 12 m under direct supervision. Ratio 8:1 confined, 6:1 open water.

Full entry-level NAUI certification. Min age 15 (Junior 10). 4 confined water sessions, 4 open water dives. Certifies to 18 m. Ratio 8:1 confined, 6:1 open water.

Advanced diver certification. Min age 15 (Junior 12). Prerequisite: Open Water Scuba Diver. 5 open water dives including deep and navigation. Certifies to 30 m. Ratio 6:1.

Highest non-professional NAUI rating. Min age 18. Prerequisites: Advanced Scuba Diver, Rescue Scuba Diver, 4 NAUI Specialty certifications, 50 logged dives.

Introductory snorkeling and skin diving program. No prerequisites. Min age 8. Ratio 8:1.

Entry-level NAUI certification for ages 10-14. Confined water and open water training. Certifies to 12 m with certified adult. Ratio 6:1.

Refresher program for lapsed NAUI certified divers. Prerequisite: Any scuba certification. Confined water review plus 1 guided open water dive. Ratio 6:1.

Diving at altitude above 300 m. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives. Ratio 6:1.

Boat diving procedures and safety. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives. Ratio 6:1.

Introduction to cavern diving. Min age 18. Prerequisite: Advanced Scuba Diver. 4 open water/cavern dives. Ratio 3:1.

Deep diving skills to 40 m. Min age 15. Prerequisite: Advanced Scuba Diver. 4 open water dives. Ratio 6:1.

Drift diving in current environments. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives. Ratio 6:1.

Dry suit use and buoyancy control. Min age 15. Prerequisite: Open Water Scuba Diver. 1 confined water, 2 open water dives. Ratio 6:1.

Nitrox diving theory and skills. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives optional. Ratio 6:1.

Ice diving skills and safety. Min age 18. Prerequisite: Advanced Scuba Diver. 3 open water/ice dives. Ratio 2:1.

Marine ecosystem and species identification. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives. Ratio 6:1.

Night diving and limited visibility skills. Min age 15. Prerequisite: Open Water Scuba Diver. 3 open water night dives. Ratio 6:1.

Underwater search patterns and object recovery. Min age 15. Prerequisite: Advanced Scuba Diver. 4 open water dives. Ratio 6:1.

Sidemount configuration and techniques. Min age 18. Prerequisite: Advanced Scuba Diver. 1 confined water, 3 open water dives. Ratio 4:1.

Underwater navigation using compass and natural references. Min age 15. Prerequisite: Open Water Scuba Diver. 3 open water dives. Ratio 6:1.

Underwater photography and video skills. Min age 15. Prerequisite: Open Water Scuba Diver. 2 open water dives. Ratio 6:1.

Wreck diving skills and exploration. Min age 18. Prerequisite: Advanced Scuba Diver. 4 open water dives. Ratio 6:1.

Basic first aid and CPR. No prerequisites. Min age 15. Ratio 8:1. Rec hours 6-8.

Diver rescue and emergency management. Min age 15. Prerequisites: Advanced Scuba Diver, First Aid & CPR. 4 open water rescue scenarios. Ratio 6:1.

Emergency oxygen administration for dive injuries. No prerequisites. Min age 15. Ratio 8:1. Rec hours 4.

Entry-level NAUI freediving certification. Min age 15. Pool and open water sessions. Ratio 4:1. Rec hours 10-12.

Advanced NAUI freediving certification to 20 m. Min age 18. Prerequisite: Freediver. Pool and open water. Ratio 4:1. Rec hours 14-16.

Expert-level NAUI freediving certification to 30 m. Min age 18. Prerequisite: Advanced Freediver. Pool and open water. Ratio 2:1. Rec hours 16-20.

Introduction to technical decompression diving. Min age 18. Prerequisites: Advanced Scuba Diver, Enriched Air Nitrox. 1 confined water, 4 open water dives. Ratio 3:1. Rec hours 20.

Advanced decompression diving with multiple gas mixes. Min age 18. Prerequisite: Technical Diver. 1 confined water, 5 open water dives. Ratio 3:1. Rec hours 25.

Trimix diving with helium-based gas blends to 60 m. Min age 18. Prerequisite: Decompression Techniques. 1 confined water, 5 open water dives. Ratio 2:1. Rec hours 25.

Closed circuit rebreather diving. Min age 18. Prerequisites: Advanced Scuba Diver, Enriched Air Nitrox. 2 confined water, 4 open water dives. Ratio 2:1. Rec hours 24.

First NAUI professional level. Min age 18. Prerequisites: Advanced Scuba Diver, Rescue Scuba Diver, First Aid & CPR. 60 logged dives. Ratio 6:1. Rec hours 40.

NAUI Assistant Instructor certification. Min age 18. Prerequisite: Divemaster. Ratio 8:1. Rec hours 30.

Primary NAUI Instructor certification. Min age 18. Prerequisites: Divemaster, 100 logged dives. Ratio 8:1 confined, 6:1 open water. Rec hours 80.

NAUI Specialty Instructor authorization. Min age 18. Prerequisite: Scuba Instructor. One authorization per specialty.

NAUI Course Director and Instructor Trainer. Min age 21. Prerequisites: Scuba Instructor, 200 logged dives, 2 years teaching experience. Ratio 6:1. Rec hours 40.

NAUI Freediving Instructor certification. Min age 18. Prerequisite: Advanced Freediver. Ratio 4:1.

PADI® Open Water Diver is the first scuba certification level. A highly-trained PADI Instructor will teach you how to scuba dive in a relaxed, supportive learning environment.

Teaches primary care CPR skills. No diving prerequisites required. Ratio 12:1.

Teaches secondary care first aid skills. No diving prerequisites required. Ratio 12:1.

Introductory guided snorkeling program. No minimum age or certification required.

Confined water training (<5m/15ft) with open water dives recommended. Min age 8. Pool ratio 16:1, open water 10:1.

Try-dive experience for non-certified participants. Min age 10. Multiple training environments: pool 8:1, confined open water 4:1 (Instructor or DSD Leader), open water descent line and 1 open water dive…

Scuba refresher program for lapsed divers. Min age 10. Prerequisite: PADI (Junior) Scuba Diver. Confined water 10:1, open water 8:1. Taught by Divemaster.

Guided open water dive for certified divers exploring a new dive site. Min age 10. Prerequisite: PADI (Junior) Scuba Diver. 1 open water dive. Taught by Divemaster.

Entry-level certification — abbreviated Open Water course. Min age 15 (Junior 10). 3 confined water dives, 2 open water dives. Ratio 10:1 (confined), 8:1 (open water). Rec hours 19.

Full entry-level certification. Min age 15 (Junior 10). 5 confined water dives, 4 open water dives. Ratio 10:1 (confined), 8:1 (open water). Rec hours 31.

Three adventure dives from the Advanced Open Water program. Min age 15 (Junior 10). Prerequisite: (Junior) Open Water Diver. 3 open water dives. Ratio 8:1. Rec hours 9.

Builds skills with 5 adventure dives including deep and underwater navigation. Min age 15 (Junior 12). Prerequisite: (Junior) Open Water Diver. 5 open water dives. Ratio 8:1. Rec hours 15.

Develops rescue skills and emergency response. Min age 15 (Junior 12). Prerequisites: (Junior) Adventure Diver with Underwater Navigation, EFR Primary & Secondary Care within 24 months. 10 rescue exercises and…

Highest non-professional rating. Min age 15 (Junior 12). Prerequisites: (Junior) Advanced Open Water Diver, (Junior) Rescue Diver, and 5 PADI Specialty or TecRec courses. Rec hours: —.

Professional-level leadership for juniors. Min age 15. Prerequisite: Rescue Diver. Waterskills assessment, dive skills and practical application. Ratio 8:1. Rec hours 25.

Environmental awareness and debris removal. Min age 10. Prerequisite: (Junior) Open Water Diver. 1 open water dive. Ratio 8:1. Rec hours 8.

Shark conservation awareness specialty. Min age 12. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Boat diving procedures and skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Marine conservation awareness course. No minimum age or certification required. Rec hours 4.

Deep diving skills and techniques. Min age 15. Prerequisite: Adventure Diver. 4 open water dives. Ratio 8:1. Rec hours 24.

DSMB deployment skills. Min age 12. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Underwater photography skills. No minimum age for non-diving track; age 10 with (Junior) Open Water Diver for diving track. 1–2 snorkel dives or 1–2 open water dives. Ratio 8:1. Rec…

Underwater scooter/DPV operation skills. Min age 12. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Drift diving techniques and skills. Min age 12. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Dry suit use and skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 1 confined water, 2 open water dives. Ratio 6:1. Rec hours 12.

Nitrox/EAN diving theory and skills. Min age 12. Prerequisite: (Junior) Open Water Diver. 2 open water dives (optional). Ratio 8:1. Rec hours: 6 without dives, 18 with dives.

Emergency oxygen administration. No minimum age or certification required. Ratio 12:1. Rec hours 3.

Marine life identification skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Full face mask diving skills. Min age 12. Prerequisite: (Junior) Open Water Diver. 1 confined water, 2 open water dives. Ratio 8:1. Rec hours 15.

Night diving skills and techniques. Min age 12. Prerequisite: (Junior) Open Water Diver. 3 open water dives. Ratio 8:1. Rec hours 12.

Advanced buoyancy skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Environmental awareness recognition program. No minimum age or certification required. Rec hours 4.

Underwater search patterns and object recovery. Min age 12. Prerequisite: (Junior) Advanced Open Water Diver+. 4 open water dives. Ratio 8:1. Rec hours 24.

Marine ecosystem awareness and identification. Min age 10. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Underwater navigation skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 3 open water dives. Ratio 8:1. Rec hours 12.

Underwater photography skills. Min age 10. Prerequisite: (Junior) Open Water Diver. 2 open water dives. Ratio 8:1. Rec hours 12.

Underwater video skills and techniques. Min age 10. Prerequisite: (Junior) Open Water Diver. 3 open water dives. Ratio 8:1. Rec hours 12.

Wreck diving skills. Min age 15. Prerequisite: Adventure Diver. 4 open water dives. Ratio 8:1 standard, 2:1 for penetration. Rec hours 24.

Public safety diving operations. Min age 18. Prerequisite: Rescue Diver. 4 open water dives. Ratio 8:1. Rec hours 30.

Surface support for public safety dive teams. Min age 18. Prerequisite: EFR provider-level training. 4 surface support sessions. Ratio 8:1. Rec hours 30.

Advanced public safety diving. Min age 18. Prerequisites: Public Safety Diver, Rescue Diver. 6 open water dives. Ratio 8:1. Rec hours 36.

Introductory freediving experience. Min age 12. Dry and/or 1 confined water session. Ratio 8:1. Rec hours 1–3.

Entry-level freediving certification. Min age 12. 1 confined water session. Ratio 8:1. Rec hours 15.

Full freediving certification. Min age 12. 1 confined water, 2 open water sessions. Ratio 8:1 (confined), 4:1 (open water). Rec hours 15.

Advanced freediving skills and depth. Min age 15. Prerequisite: Freediver™. 1 confined water, 2 open water sessions. Ratio 8:1 (confined), 4:1 (open water). Rec hours 15.

First professional level. Min age 18. Prerequisite: Rescue Diver. Ratio 8:1. Rec hours 50.

Professional snorkel guide certification. Min age 18. Prerequisite: EFR Primary and Secondary Care. Ratio 8:1. Rec hours 16.

Discover Scuba Diving leader authorization. Min age 18. Prerequisite: Divemaster.

The core EFR course covering Primary Care (CPR) and Secondary Care (First Aid). No prerequisites. No age minimum (adult content). Ratio 8:1. Rec hours 6-8. Certification valid 2 years.

Primary Care module only -- CPR and primary survey for life-threatening emergencies. No prerequisites. Ratio 8:1. Rec hours 4. For participants who only need the CPR component.

Secondary Care module only -- first aid for injuries and illnesses not immediately life-threatening. Prerequisite: Primary Care (CPR). Ratio 8:1. Rec hours 4.

Renewal course for EFR Primary and Secondary Care certification. Prerequisite: Valid or recently expired EFR Primary & Secondary Care certification. Ratio 8:1. Rec hours 4. Renews certification for 2 years.

Automated External Defibrillator add-on module. Can be combined with Primary Care or taught as standalone. No prerequisites. Ratio 8:1. Rec hours 2.

Emergency oxygen administration for aquatic and dive injuries. Prerequisite: EFR Primary Care (CPR). Ratio 8:1. Rec hours 3. Particularly relevant for diving operations.

Bloodborne pathogen awareness and infection control module. No prerequisites. Ratio 8:1. Rec hours 2. Can be taught as standalone or add-on.

CPR and first aid techniques adapted for infants and children. Prerequisite: EFR Primary & Secondary Care (or concurrent). Ratio 8:1. Rec hours 3.

Certifies dive professionals to teach all EFR consumer courses. Prerequisites: Active PADI Instructor (or equivalent active diving instructor credential), current EFR Primary & Secondary Care certification. Ratio: max 12 Instructor…

Renews EFR Instructor certification. Prerequisite: Current or recently expired EFR Instructor credential. Ratio 12:1. Rec hours 8. Renews for 2 years.

Certifies EFR Instructors to train new EFR Instructors. Prerequisites: Current EFR Instructor credential, active PADI Master Scuba Diver Trainer (MSDT) or Course Director credential. Duration 1 day.

Introductory scuba experience in confined water. No prerequisites. Min age 10. Ratio 4:1.

Entry-level RAID open circuit certification to 20 m. Min age 15 (Junior 10). Online theory, pool sessions, 4 open water dives. Ratio 6:1 pool, 4:1 OW.

Advanced RAID open circuit certification to 30 m. Min age 15. Prerequisite: RAID 20. Online theory, 4 open water dives. Ratio 4:1.

Deep diver certification to 40 m. Min age 18. Prerequisite: RAID 30. Online theory, 4 open water dives. Ratio 4:1.

Diver rescue and emergency management. Min age 15. Prerequisites: RAID 30, First Aid & O2. 4 open water rescue scenarios. Ratio 4:1.

Highest non-professional RAID recreational rating. Min age 18. Prerequisites: Rescue Diver, 4 RAID Specialty certifications, 50 logged dives.

Introductory rebreather experience in confined water. No prerequisites. Min age 15. Ratio 2:1.

Entry-level closed circuit rebreather certification to 20 m. Min age 18. Prerequisites: RAID 20 or equivalent OW cert. Online theory, pool sessions, 4 open water dives. Ratio 2:1.

Recreational rebreather certification to 30 m. Min age 18. Prerequisite: CCR 20. Online theory, 4 open water dives. Ratio 2:1.

Technical CCR decompression diving to 45 m. Min age 18. Prerequisites: CCR 30, RAID Technical 40. 2 confined water, 5 open water dives. Ratio 2:1.

First aid, CPR, and emergency oxygen administration. No prerequisites. Min age 15. Ratio 8:1. Rec hours 6-8.

Nitrox diving theory and skills. Min age 15. Prerequisite: RAID 20. Online theory, 2 open water dives optional. Ratio 4:1.

Drysuit use and buoyancy control. Min age 15. Prerequisite: RAID 20. 1 pool, 2 open water dives. Ratio 4:1.

Underwater navigation using compass and natural references. Min age 15. Prerequisite: RAID 20. 2 open water dives. Ratio 4:1.

Night diving skills and techniques. Min age 15. Prerequisite: RAID 20. 3 open water night dives. Ratio 4:1.

Sidemount configuration and techniques. Min age 18. Prerequisite: RAID 30. 1 pool, 3 open water dives. Ratio 3:1.

Wreck diving skills and exploration. Min age 18. Prerequisite: RAID 30. 4 open water dives. Ratio 4:1.

Introduction to technical decompression diving to 40 m. Min age 18. Prerequisites: RAID 40, Enriched Air Nitrox. 2 confined water, 4 open water dives. Ratio 3:1.

Advanced technical decompression diving to 60 m. Min age 18. Prerequisite: RAID Technical 40. 2 confined water, 5 open water dives. Ratio 2:1.

Trimix diving with helium-based gas blends to 60 m. Min age 18. Prerequisite: RAID Technical 60. 2 confined water, 5 open water dives. Ratio 2:1.

Deep trimix diving to 100 m. Min age 18. Prerequisite: Trimix 60. 2 confined water, 6 open water dives. Ratio 1:1.

First RAID professional level. Min age 18. Prerequisites: Rescue Diver, 4 Specialty certifications, 60 logged dives. Ratio 6:1. Rec hours 40.

Primary RAID Instructor certification. Min age 18. Prerequisites: Divemaster, 100 logged dives. Ratio 6:1 pool, 4:1 OW. Rec hours 60.

RAID Technical Instructor certification. Min age 18. Prerequisites: Instructor, RAID Technical 40. Ratio 3:1. Rec hours 30.

RAID CCR Instructor certification. Min age 18. Prerequisites: Instructor, CCR 30. Ratio 2:1. Rec hours 30.

RAID Course Director and Instructor Trainer. Min age 21. Prerequisites: Instructor, 200 logged dives, 2 years teaching experience. Ratio 6:1. Rec hours 40.

Scuba refresher program for certified but inactive divers. Reviews knowledge and skills before returning to open water diving.

Entry-level scuba certification course covering basic theory, confined water skills, and open water training dives.

Entry-level scuba certification for younger divers with age-appropriate depth limits and supervision requirements.

Continuing education course introducing divers to a variety of adventure dives including deep and navigation options.

Recognition-level rating for divers who have completed a combination of continuing education courses.

Course focusing on diver rescue, self-rescue, and management of diving emergencies.

Highest non-professional SDI diver rating recognizing extensive training and experience.

Entry-level enriched air nitrox course focused on using dive computers with nitrox mixtures.

Specialty course covering planning, procedures, and hazards of deep diving.

Specialty course introducing non-penetration wreck diving techniques and hazards.

Specialty course focused on diving in currents using drift techniques.

Specialty course on planning and conducting night or limited visibility dives.

Specialty course covering dry suit equipment, techniques, and buoyancy control.

Specialized training for public safety diving operations in challenging environments.

Entry-level snorkeling and skin diving program focusing on surface and limited breath-hold skills.

Bridging course introducing recreational divers to technical diving concepts and equipment configuration.

First professional-level rating in the SDI system, focusing on leadership and supervision skills.

Assistant Instructor rating allowing professionals to teach portions of SDI courses under indirect supervision.

Primary teaching-level certification authorizing independent delivery of SDI core and selected specialty programs.

Introductory scuba experience in a pool or confined water for non-certified participants. No prerequisites. Min age 10. Ratio 4:1.

Primary care module only -- CPR and AED for life-threatening emergencies. No prerequisites. SSI eLearning plus hands-on practice. Ratio 8:1. Rec hours 4. For participants who only need the CPR/AED…

Pool-based scuba program for children ages 8–12. Introduces breathing underwater, equipment use, and basic skills. Ratio 4:1.

Junior scuba certification for ages 10–14. Pool and open water training. Certifies to 12 m with SSI certified adult. Ratio 4:1.

Secondary care module only -- first aid for injuries and illnesses not immediately life-threatening. Prerequisite: React Right Primary Care. SSI eLearning plus hands-on practice. Ratio 8:1. Rec hours 4.

Emergency oxygen administration add-on for aquatic emergencies. Prerequisite: React Right Primary Care. Ratio 8:1. Rec hours 3. Particularly relevant for dive operations and aquatic environments.

Entry-level abbreviated certification. Min age 15 (Junior 10). Certifies to 12 m under direct supervision of SSI Dive Guide or Instructor. 3 confined water dives, 2 open water dives. Ratio…

Full entry-level certification. Min age 15 (Junior 10). 4 confined water dives, 4 open water dives. Certifies to 18 m. Ratio 6:1 confined, 4:1 open water.

CPR and first aid techniques adapted for infants and children. Prerequisite: React Right (or concurrent enrollment). Ratio 8:1. Rec hours 3.

Builds skills with 4 specialty dives plus 2 open water dives including deep and navigation. Min age 15 (Junior 12). Prerequisite: Open Water Diver. Certifies to 30 m. Ratio 4:1.

Develops rescue skills and emergency response. Min age 15 (Junior 12). Prerequisites: Advanced Open Water Diver, React Right. 4 open water scenarios. Ratio 4:1.

Highest non-professional SSI rating. Min age 15. Prerequisites: Stress & Rescue, 4 SSI Specialty certifications. Ratio 4:1.

Refresher experience for lapsed certified divers. Prerequisite: Any scuba certification. Confined water review followed by guided open water dive. Ratio 4:1.

Diving at altitude specialty. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Renewal course for React Right certification. Prerequisite: Valid or recently expired React Right certification. Ratio 8:1. Rec hours 4. Renews certification for 2 years.

Boat diving procedures and skills. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Introduction to cavern diving environments. Min age 18. Prerequisite: Advanced Open Water Diver. 4 open water dives. Ratio 3:1.

Dive computer use and dive planning. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Deep diving skills and techniques. Min age 15. Prerequisite: Advanced Open Water Diver. 4 open water dives to 30–40 m. Ratio 4:1.

Underwater photography skills and techniques. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Drift diving techniques and skills. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Dry suit use and buoyancy control. Min age 15. Prerequisite: Open Water Diver. 1 confined water, 2 open water dives. Ratio 4:1.

Nitrox/EAN diving theory and skills. Min age 15. Prerequisite: Open Water Diver. 2 open water dives (optional). Ratio 4:1.

Marine ecosystem awareness and identification. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Underwater navigation using compass and natural references. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Night diving and limited visibility skills. Min age 15. Prerequisite: Open Water Diver. 3 open water dives at night. Ratio 4:1.

Advanced buoyancy control skills. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Underwater search patterns and object recovery. Min age 15. Prerequisite: Advanced Open Water Diver. 4 open water dives. Ratio 4:1.

Shark biology, behavior, and conservation. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Sidemount configuration and diving techniques. Min age 15. Prerequisite: Open Water Diver. 4 open water dives. Ratio 4:1.

Compass and natural underwater navigation. Min age 15. Prerequisite: Open Water Diver. 2 open water dives. Ratio 4:1.

Wreck diving skills and exploration techniques. Min age 15. Prerequisite: Advanced Open Water Diver. 4 open water dives. Ratio 4:1.

Advanced dive physics, physiology, equipment, and environment. Min age 15. Prerequisite: Advanced Open Water Diver. Knowledge-based course with no required dives.

Scuba equipment care, maintenance, and minor repairs. Min age 15. Prerequisite: Open Water Diver. Knowledge-based course.

Understanding aquatic environment factors. Min age 15. Prerequisite: Open Water Diver. Knowledge-based course.

SSI's primary first aid and CPR course. No prerequisites. Min age 15. Knowledge and practical skills. Ratio 8:1. Rec hours 4–8.

Emergency oxygen administration for dive injuries. Min age 15. No diving prerequisite. Ratio 8:1. Rec hours 3.

Renews SSI React Right Instructor certification. Prerequisite: Current or recently expired React Right Instructor credential. Ratio 12:1. Rec hours 8. Renews for 2 years.

Introductory freediving experience. Min age 12. Confined water session. Ratio 4:1. Rec hours 1–2.

Entry-level freediving certification. Min age 12. Pool and open water sessions. Ratio 4:1. Rec hours 10–12.

Full entry-level freediving certification to 20 m. Min age 15. Prerequisite: Basic Freediving or equivalent. Pool and open water. Ratio 4:1. Rec hours 14–16.

Advanced freediving certification to 30 m. Min age 18. Prerequisite: Freediving Level 1. Pool and open water. Ratio 4:1. Rec hours 14–16.

Expert-level freediving certification to 40 m. Min age 18. Prerequisite: Freediving Level 2. Pool and open water. Ratio 2:1. Rec hours 16–20.

Introduction to technical diving to 40 m with deco. Min age 18. Prerequisites: Advanced Open Water Diver, Enriched Air Nitrox, Deep Diving. 1 confined water, 4 open water dives. Ratio…

Technical nitrox diving with decompression to 45 m. Min age 18. Prerequisites: Extended Range. 1 confined water, 4 open water dives. Ratio 3:1. Rec hours 20.

Deep technical trimix diving to 55 m. Min age 18. Prerequisite: Extended Range Nitrox Diver. 1 confined water, 5 open water dives. Ratio 2:1. Rec hours 25.

Advanced wreck penetration diving. Min age 18. Prerequisite: Extended Range. 4 open water dives. Ratio 2:1. Rec hours 20.

First SSI leadership level. Min age 18. Prerequisite: Stress & Rescue, 4 SSI Specialty certifications, React Right. Ratio 4:1. Rec hours 40.

SSI Assistant Instructor certification. Min age 18. Prerequisite: Dive Guide. Ratio 6:1. Rec hours 30.

Primary SSI Instructor certification. Min age 18. Prerequisite: Dive Guide. Ratio 6:1 confined, 4:1 open water. Rec hours 80.

SSI Specialty Instructor authorization. Min age 18. Prerequisite: Open Water Instructor. One authorization per specialty.

SSI Instructor Trainer certification. Min age 18. Prerequisite: Open Water Instructor with active certifications. Ratio 6:1. Rec hours 40.

SSI React Right (first aid/CPR) Instructor certification. Min age 18. Prerequisite: React Right provider-level. Ratio 8:1. Rec hours 12.

SSI Freediving Instructor certification. Min age 18. Prerequisite: Freediving Level 2. Ratio 4:1.

Entry-level nitrox course for recreational and aspiring technical divers, focusing on the use of enriched air nitrox to extend no-decompression limits.

Introductory technical diving course designed to refine foundational skills, buoyancy, trim, and equipment configuration in preparation for further technical training.

Advanced nitrox course qualifying divers to use enriched air nitrox from EAN 21 through EAN 100 percent within their certification depth limits for no-decompression and decompression support.

Course preparing divers to plan and execute staged decompression dives using appropriate gases and procedures.

Entry-level helium-based mixed gas course using Helitrox to reduce narcosis on dives requiring limited staged decompression.

Course extending diver depth and decompression capabilities using air or nitrox to depths beyond standard sport limits.

Mixed gas course teaching the use of trimix for deep dives requiring staged decompression, reducing narcosis and gas density.

Highest level open-circuit trimix course, qualifying divers to use hypoxic trimix for deep decompression dives to very great depths.

Entry-level overhead environment course introducing safe cavern zone diving techniques and limitations.

Course providing training for limited penetration beyond the cavern zone into simple cave passages.

Full cave diving course teaching complex penetrations, navigation, and emergency procedures in cave environments.

Technical-level wreck course covering hazard management and limited penetration in overhead wreck environments.

Advanced wreck penetration course focusing on complex overhead navigation, line work, and emergency procedures inside wrecks.

Entry-level closed circuit rebreather course using air diluent within no-decompression limits.

Technical support course teaching the blending of nitrox mixes for diving operations.

Advanced blending course covering trimix and complex gas mixtures for technical diving.

First leadership-level rating in the TDI technical pathway, focusing on guiding technical dives and assisting instructors.

Instructor-level certification for teaching TDI core technical courses such as Advanced Nitrox and Decompression Procedures.