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INTERNATIONAL ASSOCIATION OF NITROX & TECHNICAL DIVERS

We, IANTD, has been at the cutting edge of diver training for more than 30 years. From the first nitrox course in the world to our Tek Lite programs which allow for reduced narcosis in the entry-level tech depth range, through to CCR Cave and Expedition Trimix, we've been setting the standard since the very beginning.
We offer a complete range of training courses from Open Water Diver through to Expedition Trimix using both open and closed circuit equipment and a full range of cave diver training programs. Our instructor trainers and instructors represent some of the very best technical divers and educators in the USA and all over the world.
All our programs, from entry level upwards, equip a diver with the skills and knowledge to become a safe, responsible, self-sufficient diver, in depth survival skills mentally and physically. It's a philosophy reflected in our Open Water Nitrox Diver course - why not start with the safety benefits of Nitrox from your very first dive? - and continues throughout all our training programs.
In 1985, we released the world's first enriched air diver certification - 10 years before other agencies followed suit. Since then, we've stayed at the very forefront of diver education, leading the way so that others may follow.

Welcome to IANTD

Did you know?

IANTD & Diving Pioneers
IANTD was founded by the pioneers of technical and scientific diving!
IANTD was the First to Teach EANx
In 1985 IANTD introduced the use of Nitrox mixtures for sport diving 10 years earlier than others!
IANTD was the First to Teach Trimix
IANTD was the first to teach diving with Trimix!
IANTD was the First to Teach Open Water Sidemount
The Side Mount Diving was introduced by IANTD to sport diving in open water in 2006, six years ahead everybody else!
IANTD was the First to Teach Trimix for Recreational Sport Divers
The Recreational Trimix & Advanced Recreational Trimix Diving was introduced by IANTD to sport diving in 2006, six years ahead everybody else!
IANTD was the First to Teach In Water Recompression
The In Water Recompression was introduced by IANTD to sport diving in 2012 and we are the only ones who has this program!
IANTD was the First to Teach Rebreathers
IANTD was the first to introduce and offer rebreather training at all levels, recreational and technical market. IANTD also has the most complete selection of training programs including Open Water Diving to Expedition Trimix Diving.


International Association of Nitrox Divers, IAND, was formed in 1985 in response to the needs of the diving public. Up until that time, mixed gas diving and the use of decompression gasses was limited, in a formal way, to military and commercial divers.