2019 Semporna Diving Certificate Examination Course

In fact, many friends who are preparing to take the diving certification exam will be a little confused. They may not know how to swim, and they may not even know in advance what the class will be about. The editor below will introduce what you should do to get a diving certification. However, different instructors have different classes, so it is enough for everyone to refer to. The first lesson

The first lesson, confined water diving. The counterweight is 4 lead weights, about 4kg, and the sea depth is about 12m.

Since I have experienced diving (DSD) several times before, I jumped into the water on my back, breathed and drained the snorkel, inflated and deflated the BCD (buoyancy adjustment device), and balanced ear pressure and mask cavity pressure. , identify or demonstrate standard hand gestures, clear water in the regulator, etc. The instructor directly asked me to do it myself.

The main learning content is: safety inspection before entering the water, exchange of snorkels and regulators, swimming at least 50 meters wearing scuba gear and breathing through the snorkel on the water surface, taking off and putting on the mask underwater, Loosen the lower mirror and allow it to fill with water and then drain it. Remove the regulator underwater and retrieve it from behind. Take off the scuba gear and weight belt underwater and put them back on. Turn off the cylinder switch for 10 seconds underwater and observe. Pressure gauge, simulate a leaking regulator and breathe for at least 30 seconds (bite only one side of the respirator), techniques to help a buddy relieve cramps underwater, replace a buddy with his own backup air source underwater, and tow a tired diver for 25 meters . Second Lesson

Second Lesson, Confined Water Diving. Depth 12m, counterweight 4kg.

The first step after diving is to take off the mask, open your eyes and swim 15m. My heart is full of fear and a serious lack of sense of security. Then swam around the coach with the world a blur. In fact, after doing it, it’s not a big deal.

The next step is to use your feet to float up, remove the regulator, and inflate the BCD with mouth blowing until the BCD has enough buoyancy to float easily on the water. Because my legs were not strong enough, I choked on the water on my first try. Choking on water was really painful, and I coughed out tears. The coach asked me with concern if I wanted to try again tomorrow. I said I would continue after I rested for a while. On the second try, I kicked upwards hard and finally succeeded.

The last step is to learn buoyancy control, suspending cross-legged in the water for 1 minute. This is probably the most difficult thing for all beginners to practice. Anyway, I'm always swaying around, up and down. The coach said that this requires long-term practice, so he took me to wander on the bottom of the sea again. Lesson 3

The third lesson is open water diving. Depth 18m, counterweight 4kg.

The main learning content today is not only to control emergency swimming ascent but also to continue to control buoyancy. All I can think about is how to maintain my neutral buoyancy with breathing. Because I was very focused on practicing, it was pretty good. Although it sometimes floats slightly up or down, through your own timely adjustments, you can probably stabilize yourself in a relatively balanced state. There was no water in the mask or blur at all.

It is still 20 minutes of practice time. The remaining time is spent playing and taking photos on the seabed. The fourth lesson

The fourth lesson, open water diving, depth 18m, weight 3kg.

Continue learning to control buoyancy and swimming.

After wearing invisible lenses, the mask I used was not very good and it still fogged up easily. I followed Julius' example and left a little water in the mask, and the mask really wasn't that easy to blur.

The weather was very hot, so I only wore a jellyfish suit when I came out. Who knew that it would be extremely cold when I dived into slightly deeper water. The water temperature here seems to be lower than other dive sites. After holding on for a while, I still couldn't bear it, so I told Julius through gestures that I was going up. He was so good and agreed without asking why. The fifth lesson

The fifth lesson, AOW course, dive to 32 meters. Counterweight 4kg.

Except for a slight injury when my foot accidentally hit a rock, everything else went well. I could barely control my direction in the water. The mask I had in the morning was gone and replaced with another one. It actually doesn’t fog up so easily.

Theoretical test

After dinner, tell Julius that I am ready. Then he took out the test paper. The exam is divided into Paper A and Paper B. Paper B is easy and Paper A is difficult. The teacher will monitor the exam all the time and the entire exam will be closed book. As long as you read the book carefully, it's not too difficult. There are 50 questions, 49 multiple choice questions, and 1 ranking question. It took about half an hour to finish.

The teacher took out another test paper. It is about the topic of "Recreational Diving Planner". It’s the one pictured below. The sixth class

The sixth class, AOW course, PPB. Depth 16 meters, counterweight 3kg.

Today’s learning content is PPB, which means peak buoyancy.

Julius asked me to continue floating cross-legged. The seventh lesson

The seventh lesson, AOW course, wreck diving. Depth 18 meters, counterweight 3kg.

I was very lucky today. As soon as I dived, there was a big sea turtle waiting for me.

When entering the sunken ship, there were two coaches escorting each other, one behind the other, so that we felt safe.

The space inside this sunken ship is very small, so neutral buoyancy is particularly important when traveling inside. Sometimes I would be so focused on myself that I would forget that there was an air bottle behind me and hit the boat door twice.

Lesson 8

The eighth lesson, AOW course, underwater navigation. Depth 14 meters, counterweight 3kg.

Before entering the water, the teacher gave me a north compass and asked me to practice using it on land to make a circle from the starting point back to the starting point.

Practice after entering the water is a little more difficult than on land. You must control your swimming speed to complete it successfully. Lesson 9

Lesson 9, AOW course, underwater photography. Depth 18 meters, counterweight 3kg.

What photography classes actually require is the skill of controlling buoyancy. If you can't stay still and move up and down, you won't be able to take photos of living things.

This is also the first time since I have been taking classes here that I have held a GoPro all by myself.