NAUI (National Association of Underwater Instructors) has announced the addition of the Inspiration and Evolution Rebreathers manufactured by Ambient Pressure Diving Ltd. and distributed by Silent Diving Systems LLC to their list of approved rebreathers for NAUI training courses that can be found in the Technical Diving Section of their website at In order for a rebreather to be added to the list, it must be independently tested and pass within the testing criteria as set forth by the National Oceanic and Atmospheric Administration (NOAA).

All around the world, countless police, fire and rescue personnel, government officials, public and private security teams are NAUI trained and certified divers. In the United States, US Navy SEALs, Coast Guard rescue divers and other special military forces are trained to NAUI’s high standards as part of their overall training with SCUBA and closed circuit rebreathers; the US National Parks Service and NOAA divers receive NAUI training and certifications.

NAUI Technical Diver Training Division was started over a decade ago to create a higher standard of training worldwide by codifying technical diving community training practices. NAUI was the first major training organization to offer certifications at all levels of diving from traditional recreational training through technical training For expert help, they asked the people who created the technology, protocols and training methods that produced a fledgling technical diving community to participate.

The NAUI advisory councils are comprised of professional divers, engineers, physicians and researchers and help develop all aspects of training. These are volunteers who serve on the Technical Diving Advisory Council and Rebreather Diving Advisory Council and assist in the development of technical diving training standards. You can find information in the Technical Diving Division Section of their website at

Formed in 1959, NAUI Worldwide is the most respected and the largest non-profit diver certifying organization in the world, whose members offer a full range of training programs from Skin Diver through Instructor Course Director, with dozens of specialty courses including Nitrox and Technical diving. Tens of thousands of NAUI member instructors, dive businesses, resorts, and service centers are located in countries throughout the world. For further information on NAUI affiliated stores, resorts, and certified diving instruction, contact NAUI at 813-628-6284 or visit