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Published byJocelyn Capener Modified over 10 years ago
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Copyright 2012 CFT NITE/1 ISO 24801-2 / EN 14153-2 "AUTONOMOUS DIVER" Night Diving
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Copyright 2012 CFT NITE/2 We will cover Why and Who should go Dive Planning Extra Equipment Personal Boat Shore Based Dive Brief & Buddy Checks During the Dive After the Dive
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Copyright 2012 CFT NITE/3 Why go Night Diving? Underwater life different Challenge, pushing out the envelope Different procedures, new skills
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Copyright 2012 CFT NITE/4 Who Should Go Recommended Club Diver (Diver **) Experienced Diver
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Copyright 2012 CFT NITE/5 Planning Local Knowledge Dive the site in daylight Note hazards & alternate exit point Lights on shore to aid navigation
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Copyright 2012 CFT NITE/6 Personal Equipment Torch or Lantern, types, min. one per diver Back up light recommended Good batteries Light sticks Whistles Min tank size of 12 l.
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Copyright 2012 CFT NITE/7 Boat Equipment Lights to be seen by other vessels Lights to see diver on the surface Correct use of lights & backups Shot line light or strobe
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Copyright 2012 CFT NITE/8 Shore Based Equipment Marking of exit point Use of Leading Lights Emergency Vehicle Slip or other boat recovery area
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Copyright 2012 CFT NITE/9 Dive Brief Correct use of lamps Procedure if a torch fails Procedure for lost buddy Depth and direction / navigation Beware of looking only at the lit area Procedure if lost on the surface Diver recall signals Extra care by coxn.
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Copyright 2012 CFT NITE/10 Signals Using Dive Torch O.K.Something wrong (Click on images)
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Copyright 2012 CFT NITE/11 Buddy Check All the usual checks Lamps OK? Compasses OK? Demonstrate use of lamps
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Copyright 2012 CFT NITE/12 During the Dive All the normal procedures Dont shine in buddies face (or your own) Check buddy often Monitor direction constantly Look all around, not only down
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Copyright 2012 CFT NITE/13 After the Dive Report to the shore marshal Complete logs and debrief Take care in the boat & unloading Check for gear left behind
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Copyright 2012 CFT NITE/14 Summary Extra Planning & Equipment New Skills - Use of lamps Maintain Night Vision Safety in Boat Handling Safety & Consideration on Shore
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Copyright 2012 CFT NITE/15 ISO 24801-2 / EN 14153-2 "AUTONOMOUS DIVER" Questions
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Copyright 2012 CFT NITE/16 When may a dive be classified as a Night Dive? a)Between sunset & sunrise b)During hours of total darkness c)After midnight
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Copyright 2012 CFT NITE/17 When may a dive be classified as a Night Dive? a)Between sunset & sunrise b)During hours of total darkness c)After midnight
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Copyright 2012 CFT NITE/18 Divers lamps and torches are used to: a)Illuminate hand signals b)Allow the diver to be seen c)Allow the diver to see d)All the above
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Copyright 2012 CFT NITE/19 Divers lamps and torches are used to: a)Illuminate hand signals b)Allow the diver to be seen c)Allow the diver to see d)All the above
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Copyright 2012 CFT NITE/20 Night diving can be more stressful and result in: a)Night blindness b)Loss of feeling in the hands c)Greater air consumption d)Fear of depth
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Copyright 2012 CFT NITE/21 Night diving can be more stressful and result in: a)Night blindness b)Loss of feeling in the hands c)Greater air consumption d)Fear of depth
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Copyright 2012 CFT NITE/22 We must not shine lamps directly into other divers eyes, because: a)They will see us b)Their Night Vision will be reduced c)They will be seen by the coxn d)We will see them
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Copyright 2012 CFT NITE/23 We must not shine lamps directly into other divers eyes, because: a)They will see us b)Their Night Vision will be reduced c)They will be seen by the coxn d)We will see them
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Copyright 2012 CFT NITE/24 A coxn MUST carry spare lamps, so that: a)A diver, whose lamp has failed may borrow one b)The assistant coxn will have a light of their own c)There will always be a light in the boat
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Copyright 2012 CFT NITE/25 A coxn MUST carry spare lamps, so that: a)A diver, whose lamp has failed may borrow one b)The assistant coxn will have a light of their own c)There will always be a light in the boat
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