Who is not allowed to scuba dive?
A person with heart trouble, a current cold or congestion or who has epilepsy, asthma, a serious medical problem, or who is under the influence of alcohol or drugs, should not dive. It is recommended that individuals with a blood pressure exceeding 160/100 mmHg do not participate in scuba diving until the blood pressure has been treated appropriately.Never hold your breath. This is undoubtedly by far the most crucial of all safety rules for diving because failure to adhere could result in fatality. If you hold your breath underwater at the depths at which scuba divers reach then the fluctuating pressure of air in your lungs can rupture the lung walls.To avoid the effects of decompression sickness, the ascent must be moderate and include rest stops after each deep dive. However, with the proper equipment and practice, divers can descend to 1000 feet and explore for several hours. But their ascent will be extremely slow since they must make decompression pauses.For recreational scuba divers, most diving agencies recommend a maximum depth limit of 40 meters. This limit is in place for safety reasons, and diving within these boundaries is deemed relatively safe, provided recreational divers have the appropriate training and equipment.
What is the highest qualification for scuba diving?
The Master Scuba Diver rating places you in an elite group of respected divers who have earned this rating through both significant experience and scuba training. Fewer than two percent of divers ever achieve this rating. Saturation Diver If commercial divers go deep, saturation divers go deeper and stay longer. This is one of the most extreme underwater jobs in the world — both physically and mentally. It’s also one of the highest paying underwater jobs.The Master Scuba Diver rating places you in an elite group of respected divers who have earned this rating through both significant experience and scuba training. Fewer than two percent of divers ever achieve this rating.Upon completion, you’ll be certified to dive to a depth of 18 meters (60 feet) and be ready to explore the underwater world with confidence. The program is structured to ensure you enjoy a safe and rewarding scuba diving experience while developing the skills needed for lifelong underwater adventures.Oxygen becomes toxic at depths. The percentage of oxygen in your breathing gas determines the maximum depth you can dive at. At 100% your maximum depth is 6 meters. A mix of 100% is used for the last decompression stages at 6 and 3 meters when you’ve made a deep / long dive to decompress faster.
What is the rule number 1 in diving?
The most important rule in diving is never to hold yout breath. It is always necessary to breathe, continuously, slowly and deeply. We breathe by the mouth since the air is provided by our regulator. Never hold your breath. This is undoubtedly by far the most crucial of all safety rules for diving because failure to adhere could result in fatality. If you hold your breath underwater at the depths at which scuba divers reach then the fluctuating pressure of air in your lungs can rupture the lung walls.