PADI Divemaster Course Instructor Guide, PADI

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Disadvantages: 1. ) unless there are other supervisors at the surface. 2. Some divers don’t like diving in a group. It may reduce their enjoyment if they prefer to explore independently. c. Procedures: 1. Identify most likely problem sources – diver, environmental effects, etc. and accompany group where you can best prevent or respond to these problems. 2. ) 3. Out of water supervision – you supervise from boat or shore. 3-30 Three: Knowledge Development What types of equipment can assist in supervising certified divers?

2. Concerns a. Diver training and experience – remind divers to make deep dives within the limits of their training or experience, and to increase their experience under appropriate supervision. b. Dive site selection 1. Currents can be a problem in deep water sites and need to be planned for. 2. Dives along walls/slopes have the concern of accidentally descending below the planned depth or recreational depth limits. 3. Temperature at depth may be cooler than at the surface. c. Decompression sickness 1.

4. Avoid sawtooth profiles. Make each dive progressively shallower and start at the deepest point and work shallower. 5. Avoid rapid ascents. 6. Watch air supply closely to avoid emergency ascent situations. e. Provide ascent/descent line and emergency breathing equipment at 5 metres/15 feet if practical and appropriate. C. Boat diving activities 1. Equipment a. The boat itself – style affects diving techniques and conditions in which it may operate and the number of divers it may carry. b. ). c.

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