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Expert Analysis of the Causes of the Missing KRI Nanggala-402

Jakarta

Submarine owned TNI AL KRI Nanggala-402 until now it has not been found after losing contact in the waters of the island of Bali. Numerous analyzes of alleged causes loss of KRI Nanggala-402 was sticking out.

Sepuluh Nopember Institute of Technology (ITS) submarine expert Wisnu Wardhana suspects that the loss of the KRI Nanggala-402 was due to human error factors and technological errors. According to Wisnu, these two factors departed from torpedo firing training.

“If I have several causes, it could be human error, it could be technological error. Human error is like this, for example in torpedo training, the Naggala Submarine is in the context of torpedo training, wants to fire torpedoes, that’s the story, he said. so, “said Wisnu when contacted, Thursday (22/4/2021).

Wisnu then explained the process of installing the torpedoes in the submarine. Wisnu said there were two doors in the torpedo installation, namely the inner door and the outer door on KRI Nanggala-402.

“Now the process of installing the torpedo has a torpedo tube in the submarine, the torpedo enters, the outer door is closed, the outside door must also be closed, that’s the torpedo firing procedure. Then the outer door is opened, the water will enter the torpedo tube, well then it will be fired. the torpedo, “he said.

After the torpedo is fired, the submarine’s outer door should be closed tightly again, and the sea water that was in the torpedo tube put into the tank. If the inner door is not closed properly, according to Wisnu, this is a danger for KRI Nanggala.

“After the torpedo is fired, the outer door must be closed, the outer door closed, the water in the torpedo tube is channeled into the torpedo tank, so it is empty again, then the inner door is opened. So the process must be like that. “The inner door is not closed properly, so as soon as the outer door is opened, he immediately plunges into the water with high pressure,” said Wisnu.

“Now that’s the danger, which I was worried about at first because of that. Because of what? Because I read in his report that sonar communication was lost after a torpedo experiment. That’s why I thought that the inner door was not closed neatly,” he continued.

According to Wisnu, the error in closing the inner door was the cause of the loss of the KRI Nanggala. The impact of this alleged error could have an impact on technological errors so that the equipment at KRI Nanggala was damaged.

“Now that’s a human error, because in closing and locking the door inside the torpedo it has to be neat, don’t let water enter the ship, if it’s not fiber, the inner door is open and the high pressure water crashes into the pressure hull “They can attack people, they can enter into attacking equipment. So why did the communication fail? Because the incoming water attacks the sonar equipment,” said Wisnu.

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