What do they do?

The theory part of the training (different at every level) involves understanding the basic physics of what happens to human beings/diving equipment under water. One should know what happens to the body when the pressure increases. One must try and learn how one reacts to the diving apparatus under water and how the equipment functions. Advanced levels again deal with theories of physics and how to provide first aid and rescue along with more detailed theoretical understanding of how equipment functions. Certifications are a must to qualify as divers and instructors. There are various bodies that can get you the certification.

Skills Needed

• High level of skills as a mature diver - you have to be well-prepared where your lessons are concerned
• Lot of patience. You are dealing with people who could be afraid of drowning, darkness, and sea creatures
• Knowledge of marine life so you can point it out to people/your students when you take them diving
• You should be good with the concepts and theories of physiology and physics

How do I get there?

To become a SCUBA (Self Contained Underwater Breathing Apparatus) diver, one requires international certification. Once you start diving, you can slowly add points and proceed to the instructor level. You get certifications from PADI (Professional Association of Diving Instructors), based in SantaClara, California, USA); BSAC (British Sub-Aqua Club), NAUI (National Association of Underwater Instructors), SSI (Scuba Schools International), and CMAS (French Diving Federation).