You’ll learn why diving with air that has higher oxygen and lower nitrogen content gives you more bottom time, along with enriched air equipment considerations.
Safety considerations and propulsion techniques for navigating and exploring wrecks. Surveying and mapping a wreck, using penetration lines and reels to guide exploration.
Specialized deep diving equipment, dive planning, buddy contact procedures and buoyancy control along with managing your gas supply, dealing with gas narcosis and safety considerations.
Putting on and taking off your dry suit with minimal assistance, mastering buoyancy control using your dry suit and dive safety procedures when using a dry suit.
Methods to estimate distance underwater, compass navigation while making at least five turns, marking or relocating a submerged object or position from the surface and underwater map making.
Light handling and communication techniques, entering, exiting and navigating in the dark and Identifying how plants and animals differ or change behavior at night.