Why is underwater navigation important when utilizing EANx?

Underwater navigation is essential when utilizing Enriched Air Nitrox (EANx) because it helps divers maintain optimal control over their dive depth and time. When diving with EANx, it’s critical to manage exposure to nitrogen to minimize the risk of nitrogen narcosis and decompression sickness. By effectively navigating, a diver can stay within their planned depth limits and adhere to their dive profile, ensuring that they do not exceed safe nitrogen absorption levels.

Divers using EANx may have longer bottom times compared to regular air due to its lower nitrogen content. Accurate navigation ensures they can utilize that time wisely while making sure they do not stray too deep or venture off-course where exposure to nitrogen could increase. Proper navigation aids in controlling ascent rates and ensuring that safety stops are maintained, further mitigating the risks associated with nitrogen loading, thus enhancing the safety and effectiveness of the dive.