Technical Diving

Tec 40 Course

The Tec 40 is the first subdivision of the full PADI Tec Deep. You will learn to how to 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. You will use a single cylinder of decompression gas with up to 50% oxygen (EANx50) to add conservatism to the required decompression.

Course Duration - 3 Days

Tec 45 Course

The Tec 45 course picks up where Tec 40 leaves off and takes your training as a Tec diver further and deeper. It is the second sub-course in the full PADI Tec Diver course. You will learn the skills, use of equipment and planning needed to dive to a maximum of 45 metres / 145 feet. You will acquire 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.

Course Duration - 3 Days

Tec 50 Course

This course completes your training as an entry-level Tec diver taking you past the limits of recreational diving. During your training you will make actual decompression dives as deep as 50 metres / 165 feet. You will be using enriched air Nitrox and / or oxygen for decompression and use desktop decompression software to create custom dive tables and plan your dives. By the end of the course you will qualify to make technical decompression dives independently.

Course Duration - 3 Days

TDI Helitrox Course

The Helitrox course examines the theory, methods and procedures for planned staged decompression diving utilizing Helium in the breathing mixture. The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 45m. No more than 20% helium is permitted in the mix and no less than 21st oxygen.

This can be taught as a standalone course or in combination with Advanced Nitrox.

Prerequisites

• Minimum age: 18 years
• Have a minimum certification of TDI Advanced eanx (or equivalent)
• Show proof of 50 logged open water dives.

Course Duration: Four dives are required, with two dives deeper than 30m. Generally 3 days.

If Advanced Nitrox is taught in conjunction with the Helitrox course only a total of six dives are required. Generally 5 days.

TDI Advanced Nitrox and Decompression Procedures

Ever wondered what it would be like to stay underwater longer or visit dive spots few others see? The TDI Advanced Nitrox and Decompression Procedures course lets you do just that. This course teaches you to safely use nitrox mixes from 21% all the way to 100% oxygen, opening up opportunities for longer, more rewarding dives. You'll also get comfortable with decompression stops, which means more time exploring and less time worrying. If you're looking to take your diving to the next level, this is a fantastic place to start.

What you'll need before you jump in:

• Be at least 18 years old
• Have logged at least 20 open water dives
• Hold a TDI Nitrox Diver certification or something similar

TDI Sidemount Diver Course

Want to shake things up? The TDI Sidemount Diver course offers a fresh approach to diving—tanks are worn at your sides instead of your back. This setup makes moving in the water feel natural and balanced, plus it's often more comfortable. Sidemount diving is a favourite with cave and wreck enthusiasts, but honestly, anyone can enjoy the lighter, more flexible setup.

Here's what you need to sign up:

• SDI Open Water Scuba Diver or an equivalent certification
• Be 18 or older (or 15, with your parent's OK)

TDI Rebreather Diver Course

Imagine gliding through the water almost silently, surrounded by sea life that stays close instead of darting away. That's the magic of rebreather diving. With a rebreather, your air lasts longer, and you'll barely leave a bubble trail behind. In the TDI Rebreather Diver course, you'll learn everything you need—like how to care for your equipment, handle your gas supply, and manage any surprises underwater. It's a great way to experience peaceful, longer dives.

You'll need:

• To be at least 18 years old
• 20 open water dives in your logbook

TDI Advanced Trimix

The TDI Advanced Trimix Diver course is the top level of training for open circuit divers wishing to dive to depths as deep as 100 metres / 330 feet utilizing hypoxic levels of oxygen (below 17 percent). This course is perhaps one of the most informative and challenging and upon completion you are among some of the most elite divers.

Prerequisites

• Minimum of 18 years old
• Minimum of 100 logged dives, with more than 25 deeper than 30m
• An existing Extended Range diver or Trimix diver (or equivalent from a different agency)

Course duration: Four dives with a minimum accumulation of 100mins of bottom time. Generally, 5 days.

BSAC has a wide variety of technical diving courses, all focused on helping you dive deeper and stay safer. Interested in sidemount diving, different gas mixes, cave or wreck exploration, or advanced decompression? BSAC can now do them all. These programs help you build fundamental skills and confidence, and many are offered locally in the UK through BSAC branches.

BSAC Evolution & Inspiration CCR

This is the entry level certification course for divers wishing to utilize a Closed Circuit Rebreather (CCR) for air diving. The objective of the course is to train divers in the benefits and hazards and proper procedures of diving a CCR and developing basic CCR diving skills to a maximum of 40m using an air diluents for minimal decompression diving.

Prerequisites

• Minimum of 18 years
• BSAC Sports diver (or equivalent)
• Have a minimum of 50 logged dives
• BSAC advanced nitrox diver (or equivalent)

Course duration: 8 open water lessons with a minimum of 380 minutes. Generally 5 – 6 days.

Regaldive recommend the destinations of Malta or Egypt if divers are travelling from the UK to partake in these courses. Please ask Regaldive for information and quotes on the dive centres that have the facilities to run these courses.

PADI, one of the world's top diving organisations, also has a strong selection of technical diving courses. You can learn all about open and closed-circuit systems, try solo diving for extra independence, and pick up the skills needed for cavern and sidemount diving. PADI Rebreather courses help you stay down longer without disturbing marine life, while sidemount setups give you flexibility and comfort. Want to dive solo or explore caverns? There's top-notch training for that, too—each course gives you real-world skills so you can safely push your limits and experience something new every dive.

Please note that prices, contents and structure of courses may vary slightly in different resorts.