The following world record links take you to AIDA’s website, which is the worldwide federation for breath-hold diving (free diving). AIDA manages and oversees the recognition of records, organizes competitions, and sets the standards for free diving education.
Rottnest Island is a former prison island that is about 19km or 12 miles from Perth, Australia. Noted as one of the biggest dive sites in Australia it has over 100 different sub dive sites within it. There is a great array of limestone over hangings, various wrecks and even a sunken grotto which can be found in the Fishhook Bay area. There are no cars allowed on the island so you will need to rent cycles to get around. You will also need to rent all of your diving gear which is available from one of the many stores on the island. A visitor map will suggest to you a range of trails to ride on that will lead you from one dive site to another. Your private sea garden is just a quick journey away and you will easily see why Rottnest Island is such a tempting place to visit since it has so much to offer.
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Advanced or master free diver courses are geared to competent and comfortable free divers in safety and problem solving, proper technique, training, and equipment for advanced free diving. Competition standards and procedures are covered, as well as the psychological aspects of advanced free diving competitions. The course also covers static and dynamic apnea development and training. This course teaches you to dive to a depth of 99 feet (30 m).
What is Nitrox?
Nitrox is any combination of oxygen and nitrogen. The air you breathe today is a form of Nitrox, which is 79% nitrogen and 21% oxygen. Nitrox mixtures with greater than 21% oxygen are referred to as Enriched Air Nitrox (EANx). The “x” refers to the percentage of oxygen in the mixture. The most commonly used Nitrox mixtures are EAN32 (32% oxygen and 68% nitrogen) and EAN36 (36% oxygen and 64% nitrogen).