Technical Scuba Diving Courses

  • Close-up of a mountain bike leaning against a wooden bench and brick wall, with a black backpack nearby.

    Extended Range (45m)

    This entry-level course helps recreational divers transition into technical diving, covering new equipment configurations such as twinset or sidemount diving, handling a stage cylinder, buoyancy control and advanced dive planning. On completion, you’ll be certified to dive to 45 metres with limited decompression. This course also includes the option to use trimix for an additional fee.

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  • Scuba diving gear including tanks, regulator, and buoyancy control device, stored outside near a wooden bench and a building wall.

    Technical Extended Range (60m)

    The Tec XR programme is the natural next step from the Extended Range course, building on the skills already developed to take you down to 60 metres with unlimited decompression time. You’ll learn to make multiple gas switches, dive with two stage cylinders and seriously extend your bottom time.

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  • Two scuba tanks are secured with black straps and surrounded by green hoses, and are set against a concrete wall outdoors. There is a stone wall and some equipment and tools in the background.

    Hypoxic Trimix (100m)

    The most advanced technical diving qualification, divers taking the Hypoxic Trimix course will learn how to handle three stage cylinders, work with travel gases and plan dives to depths of up to 100 metres. The course requires mastery of technical skills including perfect buoyancy, stage rotation and team dynamics.

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  • A scuba diver in black gear exploring underwater near rocks.

    Extended Range Cavern

    Drawn to the dark? Take your first steps into the wonderful world of cave diving with a course that qualifies you to make penetration dives within the daylight zone. Over four days, you’ll focus on buddy communication skills, gas management and the use of specialised cavern diving equipment. 

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  • A scuba diver swimming under a sunken shipwreck in the ocean.

    Extended Range Wreck

    Explore further than ever before with the Extended Range Wreck course, which certifies divers to enter a sunken vessel up to anywhere within the daylight zone, without the recreational 40-metre linear restrictions. You’ll become proficient in handling lines and reels, tying off safely and perfecting simple navigational practices to ensure safe entry and exits.

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  • Underwater view of a sunken shipwreck with fish swimming around.

    Technical Wreck

    This challenging course hones your skills so you can perfect complex navigational techniques such as jumps, circuits and multiple line laying, deal with minor restrictions and recover lost lights, lines and divers. By the end of the course, you’ll be certified to enter wrecks to any distance using the rule of thirds penetration limit.

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  • A diver in a black wetsuit and beanie hat with the logo 'SSI PADI' on it, sitting in shallow clear water with a rocky bottom, surrounded by scuba diving equipment including tanks and regulator hoses.

    Technical Sidemount

    Already a sidemount diver but keen for more bottom time? The Technical Sidemount course teaches you to manage up to two additional cylinders, enabling you to enjoy longer dives and paving the way for a future in technical diving.  

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  • Close-up of a black diving mask with a flexible hose, resting on a black bag against a rough, beige stone wall.

    Extended Range Foundations

    One for perfectionists: this skill-focused course aims to tighten up loose ends and make you the best tec diver you can be. Whatever your setup – CCR, sidemount or twinset – you’ll spend time in-water sharpening buoyancy, communication, trim and fin techniques to become a more confident diver and better dive buddy.

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  • A metallic panel with two labels: 'Oxygen' and 'Helium'. A green and black valve is visible at the bottom of the panel.

    Gas Blender

    Your gas is your responsibility, so it’s a good idea for any serious diver to know how to blend their own. In this non-diving two-day course, you’ll learn the proper techniques for blending nitrox and helium-based trimix gases, as well as the correct application of maths and physics to do so safely.

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  • Two divers swimming above a coral reef underwater with blue water and sunlight above.

    Technical DPV

    Tired of finning? Take a break – and see more – with a certification in DPVs (diving propulsion vehicles). You’ll learn how to safely use these underwater scooters, managing buoyancy, direction and buddy communication to take you further into the blue than ever before.

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  • A scuba diver swimming underwater near a coral reef and sea grass, wearing full diving gear including tanks and mask.

    Tec Tune-up

    Taken some time out and feeling a little fuzzy on tec techniques? Request a tec tune-up to refresh your memory on specific skills or dive theory to boost your confidence before returning to the water. We’ll tailor the session to focus on whatever you need, whether that’s in-water skills, planning or equipment setup.

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  • Set of scuba tanks, with regulators and hoses, on a concrete dock by clear blue ocean with a rocky shoreline and a cliff in the background under a bright sky.

    Bespoke Package

    At PartFishDiving, we work with maximum flexibility to make sure we meet your needs. So if you’re short on time, looking to take multiple courses or have a specific training request not outlined here, we’re confident we can accommodate you. Simply get in touch and we’ll make it work.

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