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DECO 50 Trimix

With TechWise Malta & Gozo


RAID’s foundation for technical diving, no previous experience required, you can start here, but prepare to be challenged. This program has a very clear outline for your skill development, and a thorough confined water skill development portion that needs to perfect before moving on to the open water section of the program.

This is a no fluff course that promotes team diving and group discussion. This program allows you to do accelerated decompression dives using a single ‘deco’ mixture of your choice. Total planned decompression is a maximum of 30min.

Trimix is used on a majority of the dives and this program takes into account equivalent narcotic depths as well as gas density as a factor. Single ‘Deco Stage’ for accelerated compression use. Maximum dive depth is 50m, and minimum oxygen content is set at 21%.

Although a very enjoyable course, the standards are set high!


1.     Be a minimum of 16 years old.

2.     Be certified diver for at least 3 months.

3.     Certified as a RAID Enriched Air Nitrox, Deep 40 and Master Rescue Diver (or equivalent), and have experience in Navigation and Night/Restricted Visibility diving.

4.     Must have logged at least 5 hours between 27– 40 m.

5.     Submit current Rescue Breathing, CPR Training and Oxygen Provider certificates.

6.     Have 50 logged hours underwater using open circuit.

7.     Documented proof of prerequisite requirements needs to be presented to the Dive Centre for approval prior to any in water training.


NOTE: Students that have already completed the DECO 40 program, must attend a Confined Water Skills workshop where all the additional DECO 50 skills will be presented.


• Confined water Sessions
• Open Water - minimum 8 hours underwater


- €850 (6 days)
This includes the hire of cylinders, deco/stages & weights, local land transport & tuition, agency fee’s and basic gasses for the duration of the course.


If you have any questions about whether RAID is the right technical agency for you, please don't hesitate to contact us on


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