This program is designed to extend the divers knowledge with Nitrox mixtures of 22 to 40% and up to 50% for decompression use. The Program will further develop the individuals diving skills and provides a greater understanding of the Nitrox diving concept.   This program will qualify divers to conduct dives to 140 fsw and perform decompression stops on dives for up to 15 minutes using 50% Oxygen as a decompression gas.

Prerequisites:          Nitrox Diver & IANTD Deep Diver

                                      25 Logged Dives

Program Content:   120 Mins. Min. of OW Bottom Time over 4 Dives

                                       2 Dives between 100 fsw and 140 fsw