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Technical diving is scuba diving’s “extreme” sport, taking experienced and qualified divers far deeper than in mainstream recreational diving. Technical diving is marked by significantly more equipment and training requirements to manage the additional hazard this type of diving entails. Tec diving isn’t for everyone, but for those who hear its challenge call, the PADI TecRec courses are the answer.

Technical scuba diving is defined as diving other than conventional commercial or research diving that takes divers beyond recreational scuba diving limits. It is further defined as and includes one or more of the following:

• diving beyond 40 metres/130 feet deep
• required stage decompression
• diving in an overhead environment beyond 40 linear metres/130 linear feet of the surface
• accelerated decompression and or the use of variable gas mixtures during the dive

Because in technical diving the surface is effectively inaccessible in an emergency, tec divers use extensive methodologies and technologies and training to manage the added risks. Even with these, however, tec diving admittedly has more risk, potential hazard and shorter critical error chains than does recreational scuba diving.

Please contact us for prices & Course prerequisites

• Use decompression software and dive computers to plan and make decompression dives with no more than 10 minutes of total decompression and not deeper than 40 metres/130 feet.

• Use a single cylinder of decompression gas with up to 50 percent oxygen (EANx50) to add conservatism to the required decompression.

• The skills and equipment and planning need to dive to a maximum of 45 metres/145 feet

• The knowledge to plan and execute single and repetitive decompression dives using a single stage cylinder of EANx or oxygen to accelerate or add conservatism to the decompression stops.

• There would be no time limit to amount of decompression

• Prepare for and respond to foreseeable technical diving emergencies 

• Master the basic skills and procedures you’ll need as you move into deeper technical diving

The PADI Tec Trimix 65 course is intended to extend the depth range of technical divers already trained and qualified to use air, enriched air and oxygen for technical decompression dives beyond 50 metres /165 feet.

This course is for Tec 50 divers (or those holding a qualifying certification from another training organization). The course extends your depth range capabilities by training you to use trimix
(a blend of helium, oxygen and nitrogen).

You will:
• Plan and execute at least five trimix decompression dives using various trimix blends
• Use decompression software to create custom dive tables and dive plans
• Make training dives as deep as 65 metres/210 feet