Before to borrow in diving, it is very important to pass a curriculum under direction of the professional instructor. In the world some systems of training and certification of the scuba diving, differing are created by high standards of preparation. One of the most authoritative is the international organization PADI based in 1966 by John Kroninym in Los Angeles (USA) where now there is headquarters PADI.

PADI the biggest is in the world professional underwater association, its branches and regional offices are in Australia, Canada, Switzerland, England, Japan, Norway and Sweden and serve more than one million members of association. Among them not only instructors and teachers, but also it is simple fans of the underwater world.

Primary goal PADI is to make a scuba diving for people with various physical preparation by the hobby bringing only pleasure. Therefore PADI has established and supports high standards of training and the certifications of skin-divers directed on a safety during immersings, and also emphasizes a role of the diver in preservation of beauty of the underwater world.

Translations of educational materials PADI are available in twenty languages of the world. The manuals developed by professional methodologists, help to master a technique of immersings and the safety precautions under water, and also give the full information on many corners of the Earth where it is possible to plunge. For the message to the members of the latest news of a scuba diving, PADI also publishes magazines and newsletters.

Process of training PADI includes carrying out of theoretical employment in a class and practical in pool and on the open water. The method has six levels of certification of skin-divers.

Last a rate of diving, the plastic card, containing data of the skin-diver and a photo stands out. The card prevents illegal possession of certificates of the skin-diver and not authorized use of underwater equipment by the person which is not the owner of a card.
Official site PADI