Class IV, III + II DoEL – Offshore Commercial Diver: 50m SSDE

Offshore Commercial Diver (Class IV, III + II – 50m SSDE)
Train for a professional offshore diving career. Start your theory online and progress to full offshore commercial diver certification up to 50 metres.
Planning your offshore practical training? Click below and complete the contact form. Our team will help you plan your training pathway and secure your place in the next intake.
Reserve Your Offshore Training Spot
We typically respond within 24 hours.
Why Choose This Programme?
- Complete offshore commercial diver certification pathway
- Train up to 50m using surface-supplied diving systems
- Start your theory training immediately online
- Progress to offshore-level practical training
- Prepare for global offshore diving careers
How the Programme Works
Step 1: Complete Theory Online
The theory component is completed online independently prior to practical training.
Topics include advanced diving theory, decompression management, offshore safety systems, surface-supplied diving operations, and first aid with oxygen administration.
Step 2: Offshore Practical Training
Practical training is delivered at The Academy of Diving and Offshore Medicine or an approved facility.
This intensive phase focuses on advanced SSDE use, underwater communication, offshore procedures, tool handling, and complex commercial diving operations.
Practical training fees are invoiced separately by The Academy of Diving for EFT / SWIFT payment.
Entry Requirements
- Minimum age: 18 years
- Independent English User (minimum IELTS 5–6 / CEFR B2)
- Understand and able to do basic math
- Course fees paid in full
- Correct visa requirements and return flight dates
- Dive medically fit (SAUHMA)
- Watermanship fit (able to swim 200m freestyle with no buoyancy aid in under 8 minutes)
Practical Training Dates
Duration: 13 weeks
Important:
The prerequisite online theory is to be completed prior to practical onsite training.
Even if a practical intake is fully booked, you can still start your theory training online NOW to prepare for practical training in the 2027 calendar year.
Upcoming dates available for onsite training:
| Start Date | End Date |
| 11-Jan-27 | 09-Apr-27 |
| 15-Feb-27 | 14-May-27 |
| 22-Mar-27 | 18-Jun-27 |
Reserve your practical training spot here
For accommodation, meals, or airport transfers, please use our contact form to request a quote and availability.
Certification and Skills
Start your theory training now and begin your offshore commercial diving career!
Course Overview
- Course 1
Class II Final Exams
Overview of Exams The following table outlines the details of the Class II exams you will be undertaking: Exam Type Weight Standard Time limit...
- Course 2
Class III Final Exams
These exams are designed to assess your knowledge and skills in various critical areas of commercial diving. As you prepare for these assessments, it is...
- Course 3
Class IV Final Exams
These exams are designed to assess your knowledge and skills in various critical areas of commercial diving. As you prepare for these assessments, it is...
- Course 4
Air Chamber Operations for Offshore
Learn air chamber operations for offshore diving environments.
- Course 5
- Course 6
Kirby Morgan Hat: Operator User Training
Overview and training on operating and maintaining the Kirby Morgan helmet.
- Course 7
Air Chamber – Safe Use of Oxygen and BIBS
Ensure safe oxygen and BIBS use in air chambers.
- Course 8
Umbilical Management and Tendering for Class III
Master umbilical handling techniques for safe diving operations.
- Course 9
Surface Decompression Diving Operations (SurD02)
Understand procedures for safe surface decompression dives.
- Course 10
Surface-Supplied Diving Equipment
Study the components and operation of surface-supplied equipment.
- Course 11
Surface Plant and Equipment Class III
Learn about surface-supplied diving systems setup and operation.
- Course 12
Diving Physics
Understand how pressure and buoyancy affect divers, including gas laws and their implications.
- Course 13
Diving Physiology
Explore how the body responds to diving pressures, including decompression sickness risks.
- Course 14
Practical Diving First Aid (PDFA) – Diving
Learn diving-specific first aid techniques for emergencies like decompression sickness.
- Course 15
Practical Diving First Aid (PDFA) – First Aid
Master basic first aid skills tailored for diving emergencies.
- Course 16
Portable Oxygen Administration for the Commercial Diver
Understand safe oxygen therapy administration in diving emergencies.
- Course 17
Decompression Theory and Tables
Understand decompression theory to plan safe dives and avoid sickness.
- Course 18
Diving Equipment – Introduction to SCUBA
Learn about SCUBA gear components and proper maintenance.
- Course 19
Air Chamber Attendant (CHATT)
Master air chamber operation and maintenance for assisting and treating patients.
- Course 20
Diving Legislation
Familiarize yourself with diving laws and regulations for compliance.
- Course 21
Hygiene
The following study units focus on essential hygiene practices and safety measures, particularly related to hand washing and sanitation in various contexts. Each unit is...
- Course 22
Diving Medical Emergency Response Plan (DMERP)
Create a comprehensive plan for responding to medical emergencies.
- Course 23
Approaches to Safety
Develop strategies to minimize diving hazards through risk assessment.
- Course 24
Diving Terms
Learn essential diving terminology to ensure effective communication and safety
- Course 25
Diving Safety: Underwater Hazards
Identify and navigate common underwater hazards like currents and marine life.





