Class II DoEL – Offshore Commercial Diver: 50m SSDE

Class IV, III + II Offshore Commercial Diver (50m SSDE) Overview
This all-inclusive program combines the Class IV, III, and II levels to provide complete training for offshore commercial diving operations up to 50 meters. It is designed for individuals pursuing full professional certification and readiness for offshore work environments.
Practical Course Dates – 2026
Duration: 13 Weeks
| Start | End | Bookings |
| 12-Jan-26 | 10-April-26 | Fully Booked |
| 16-Feb-26 | 15-May-26 | Fully Booked |
| 23-Mar-26 | 19-Jun-26 | Fully Booked |
| 27-Apr-26 | 24-Jul-26 | Fully Booked |
| 1-Jun-26 | 28-Aug-26 | Bookings Open |
| 6-Jul-26 | 2-Oct-26 | Bookings Open |
| 10-Aug-26 | 6-Nov-26 | Bookings Open |
| 7-Sep-26 | 4-Dec-26 | Bookings Open |
Course Structure
- Theory Component: Completed online independently prior to the practical training start date. Topics include advanced diving theory, decompression management, offshore safety systems, surface-supplied diving operations, and first aid with oxygen administration.
- Practical Training: Delivered at The Academy of Diving and Offshore Medicine or another approved training facility. This intensive phase emphasizes advanced SSDE use, underwater tool handling, communication, offshore procedures, and complex diving operations under supervision.
Certification and Skills
Graduates of the Class IV, III + II package are certified as Offshore Commercial Divers qualified for professional diving operations up to 50 meters using surface-supplied systems. They are equipped for both inshore and offshore commercial environments, capable of performing underwater inspection, maintenance, and construction tasks safely and effectively.
Course Overview
- Course 1
Air Chamber – Safe Use of Oxygen and BIBS
Ensure safe oxygen and BIBS use in air chambers.
- Course 2
Umbilical Management and Tendering for Class III
Master umbilical handling techniques for safe diving operations.
- Course 3
Surface-Supplied Diving Equipment
Study the components and operation of surface-supplied equipment.
- Course 4
Surface Plant and Equipment Class III
Learn about surface-supplied diving systems setup and operation.
- Course 5
Diving Physics
Understand how pressure and buoyancy affect divers, including gas laws and their implications.
- Course 6
Diving Physiology
Explore how the body responds to diving pressures, including decompression sickness risks.
- Course 7
Practical Diving First Aid (PDFA) – Diving Module
Learn diving-specific first aid techniques for emergencies like decompression sickness.
- Course 8
Oxygen Administration for the Commercial Diver
Understand safe oxygen therapy administration in diving emergencies.
- Course 9
Decompression Theory and Tables
Understand decompression theory to plan safe dives and avoid sickness.
- Course 10
Diving Equipment – Introduction to SCUBA
Learn about SCUBA gear components and proper maintenance.
- Course 11
Diving Legislation
Familiarize yourself with diving laws and regulations for compliance.
- Course 12
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 13
Diving Medical Emergency Response Plan (DMERP)
Create a comprehensive plan for responding to medical emergencies.
- Course 14
Approaches to Safety
Develop strategies to minimize diving hazards through risk assessment.
- Course 15
Diving Safety: Underwater Hazards
Identify and navigate common underwater hazards like currents and marine life.






