On the PADI Deep diver course you’ll learn how to plan and execute dives to 40 meters. Although diving that deep is alluring, there’s a number of considerations you’ll need to look into, in order to dive safely to that depth.
In the clear waters of the Philippines, deep diving is deceptively easy. When you dive to forty meters here, there is still plenty of lights, even if the almost all colour is stripped, leaving the seascape in shades of blue. Sometimes, when you look up – you can see the tiny boat above you – as well as the inverted bubble shower your exhaled air form all the way to the surface. Diving to forty meters many other places in the world equals perpetual darkness at depth and passing through chilling thermoclines on the way down. When you dive in such places, you can feel you’re deep. The lack of these characteristics and the warm water makes deep diving in the Philippines easier, but can also instil false confidence in the novice diver. This is important to keep in mind, because excepting the cold of the water elsewhere, diving that deep affect you the same way physically as diving there would. The laws of physics are the same, no matter how clear the water is, and no matter how easy it appears.
The course entails:
Three or four dives over two day (you may be given credit for one dive through the Advanced Open Water course)
Recognising and dealing with gas-narcosis
Calculating gas consumption, turn pressures etc.
Accident and gas-sharing preparedness
Simulated emergency decompression
Looking at ascend rates and deep stops
Practising team coherence, ascend rates and stops
Dive gear setup and gas sharing options
Diver attitude to deep diving
Recognising and dealing with decompression sickness
A diver need to be at least 15 years old and be at least a certified PADI adventure diver or Advanced Open Water Diver (or similar from another training organisation.)