The IANTD Advanced EANx Diver course is designed to extend the diver’s knowledge in the use of Enriched Air Nitrox for recreational diving. It further develops diving skills and provides a greater understanding of the EANx concept of diving. The purpose of this program is to qualify divers to conduct dives to 40 meters and conduct decompression stops with no limit of time, using 1 decompression gas mix.