After successfully completing the CLASS IV SCUBA, a trainee can progress to the CLASS III COMMERCIAL DIVE COURSE, this is the 2nd course of a commercial diving career. CLASS III is the COMMERCIAL DIVING CIVILS QUALIFICATION. The purpose of the qualification is to introduce the trainee diver to an underwater environment using DIVE HELMETS and DIVE MASKS supplied with air from an air bank or compressors through UMBILICALS,using the SCUBA equipment as backup for this equipment and not as his primary source. Theoretical and practical training is extensive, ensuring that the trainee is competent to dive with a variety of different DIVE HELMETS AND MASKS,and conducting a wide range of tasks and work needed by this class. You will be able to be employed anywhere in the world doing work underwater except on a oil rig offshore.


All trainees must be 18 years and older, must have passed a

DIVE MEDICAL at a DEPARTMENT OF EMPLOYMENT & LABOUR approved DIVE DOCTOR, and the trainee must successfully have completed the COMMERCIAL CLASS IV.

The trainee must be able to do basic mathematics-add/subtract/divide/minus,be able to speak, read and write English.

The trainee has to pass a swim test on the surface and underwater and be able to breath hold underwater.

He/she must have the right attitude and must be willing to learn and work hard-the course is intense.


LECTURES IN, History of diving,diving physics, diving physiology, diving procedures, decompression theory, diving emergency’s, compressors HP and LP, air banks, decompression chambers, diver communication, seamanship, HIRA, dive planning, dive equipment, safety, underwater hazards and diver legislation, decompression tables and the treatment of diving sicknesses and accidents, 1st aid course,

Tests will be done during the course.

PRACTICAL, orientation dive in our 3,5mtre deep dive tank, working dives in GORDONS BAY HARBOUR, cleaning vessels with scourers and HP water jet, propeller shines, underwater woodwork and shutter builds, concrete pour underwater, gravel pump use, airlift use, use of various hand tools-hammers, hacksaws, cold chisels, 4 foot shifting spanners, UNDERWATER WELDING (practical of 5-7 days), underwater thermic lance cutting, liftbag work, pneumatic tools work, surface welding. Diving with the AGA DIVATOR MASK, SCUBAPRO MASK, OCEAN REEF MASK, KIRBY MORGAN 18 BANDMASK, KIRBY MORGAN 17 HELMET, GENESIS BANDMASK, OMEGA DIVE HELMET and the EXO 26.


 0 – 19METERS 700MIN 18 DIVES
20 – 30METERS 100MIN 4 DIVES

This is the minimum dive requirements, at JACKS DIVE CHEST we strive to do a minimum of 35 dives and 1100 minutes on SURFACE SUPPLY DIVE EQUIPMENT.


The trainee will need his own wetsuit 5mm or 7mm, fins, mask, booties and Safety shoes. We supply all trainees with overalls, t shirts, caps, backpack, manuals for the course. On successful completion of the class III commercial dive course you are awarded a personalized DOGTAG as proof of your completion of the commercial dive course.

At JACKS DIVE CHEST we are proud to say we assist you in finding your 1st job,we cannot guarantee work but out of 44 divers trained in 2017 – 2018 we assisted in getting work for 36 divers. None of the other commercial dive schools in SOUTH AFRICA assist you in this way.

We are also proud that we train in you in a vast array of disciplines, preparing you for the industry, our course is the most practical course offered out of all the commercial dive schools in SOUTH AFRICA. Check us out on FACEBOOK-JACKS DIVE CHEST speak to any of our friends, check our wall posts-we post a stream of jobs for the divers.