Ship crash is one of the inevitable maritime accidents. There have been many accidents of medium and large sea shipwrecks in history. After the accident, only a few people can escape through lifeboat , while the remaining people can only wait on the deck to wait for rescue until the ship sinks completely. Why do they rather wait until the ship sinks rather than choose to jump into the sea to escape? Come on, follow the passers-by and listen to the passers-by.
Why did a ship crash occur?
Ship crash is also called a shipwreck. It refers to a major accident caused by natural or man-made reasons during the ship's transportation process. Usually, the ship's carrying capacity is very large, not only carrying thousands of people, but also carrying a lot of materials. Once an accident occurs, the losses are very large, and the casualties caused are also huge.
For example, the sinking of the Titanic in 1912 is also an incident that many people are familiar with. At that time, there were 2,224 people on board, and 1,514 people were killed;
1987, the "Dona Paz" of the Philippines collided with the Victor carrying gasoline, killing more than 4,000 people;
1994, the " Estonia " sank in the waters of the Baltic Sea in the southwest of Finland , causing nearly 900 deaths. There are two reasons for the ship crash.
. One is human factors , such as operational errors, causing deviation from the route, overloading, transporting illegal cargo, fires, etc.; . The second is natural factors . Weather is an important reason, such as storms, strong winds and waves, and the second is the underwater reefs, icebergs and marine organisms , such as collisions of large organisms such as sharks, whale , etc., causing damage to the hull.
Why don’t people jump into the sea to escape when a ship crash occurs?
Usually people choose to jump into the sea to escape only if they have no choice. For example, the following situations are: . First, fires occur on ships . Summer and winter are the peak seasons for fires in cruise ships and cargo ships. Electrical failures and natural weather are the main causes of fires. After the fire occurs, it will spread rapidly with the wind, and even explosions may occur.
For example, in July 2017, a fire broke out on the way from the US port of Charleston to Antwerp, Belgium and caused an explosion.
In January 2018, an oil tanker in the East China Sea collided with a cargo ship and continued to leak oil for a week and finally sank. It is understood that the "Sangji" ship carries a total of 136,000 tons of condensate, and condensate is colorless, odorless, and has a high toxicity. It may evaporate quickly after encountering water, and finally form combustible gas, causing a large-scale explosion. Therefore, if a fire occurs on the ship you are in, you need to escape as soon as possible.
Second, you must jump to . For example, when the hull is about to sink, you need to jump into the sea to escape. If you do not escape in time, you will easily be caught in the vortex caused by the wreck. Third, the wreck is close to land . If the accident occurs, you can jump into the sea to escape and swim to a safe place.
Except for the above situations where you must jump, it is not recommended to jump into the sea to escape, because this will only die faster! First of all, because of the height of . Take " Titanic " for example. The height from the waterline to the deck is 18.3 meters (equivalent to the height of 6 floors). You can imagine what it feels like to jump down at such a high height. It can be said that it is like hitting the concrete floor! The height of
10 meters can be elegantly fallen into the water for professional diving athletes, but for ordinary people, if the water falls into the water improperly, it may cause dislocation, fracture, etc. And further up is high platform diving . Usually women are 18-23 meters and men are 22-27 meters. This height is already a kind of adventure sport. If the angle is incorrect, life will be jeopardized.
The higher the diving height, the greater the impact force when falling into the water. According to data, when a 50-kilogram diving player freely falls into the water from a height of 27 meters, the final speed is about 22 meters per second, which is equivalent to entering the water at a speed of 80 kilometers per hour.
Moreover, because the impact of high-rise diving is too strong, athletes basically insert water directly into their feet. If the water is incorrect, they are easily affected by several times or even dozens of times the impact force of their body. In severe cases, they will lose their lives. You can imagine how dangerous an ordinary person without diving experience will face.
In addition, after jumping into the water, the human body will fall into deeper sea water with gravity. If you are not good at swimming, you may not be able to get up directly.
Secondly, even if some bold and lucky people jump into the sea, they still have to face the cold sea water while waiting for rescue. As they soaked in the water for a longer time, the heat in the human body will be lost in large quantities. When the core temperature of the human body is lower than 35℃, the symptoms of temperature loss will gradually appear, from shaking, numbness of hands and feet to confusion. When the body temperature drops below 28℃, the breathing and pulse will gradually weaken. If it is not treated in time, death will occur.
According to survey data, most people in the "Titanic" shipwreck accident were actually not drowned, but frozen to death. The water temperature at that time was 28 to 32 degrees Fahrenheit (-2℃-0℃). In water with such a low temperature, the human body will lose consciousness in less than 15 minutes, and the maximum survival time is usually no more than 45 minutes.
Movie "Titanic" Stills
In addition, dangers abound in the sea, and people also face attacks from marine animals , such as sharks, so unless they have to, it is much safer to be on the boat than jumping into the sea.
How to save yourself when you encounter a shipwreck?
First of all, be calm, and then immediately call 2395 to contact the maritime search and rescue center . According to statistics, in an emergency, 70% of people will panic, and 15% of people will make some irrational decisions and even forget to ask for help. Therefore, in order to increase the chance of survival, the first thing is to be calm!
In addition, before the cruise ship starts, the personnel on board will arrange exercises, such as the location and how to wear life jackets, the location of the lifeboat, the escape passage, etc. You must know these! The location of the lifeboat is limited. You must know how to save yourself when you have not received effective rescue. When you hear the accident warning, you must wear a life jacket in as soon as possible. Some boats will also have a water-soaked jacket. If so, wear a water-soaked jacket first and then a life jacket. The water-soaked jacket can increase buoyancy and also have a thermal insulation function.
If there is no life jacket, you can use your pants to make a temporary one, tie the two pairs of pants legs tightly, then fill the pants with air and then grab them tightly and act as a temporary floating device.
After everything is ready, you can stay on the deck and wait for rescue first. If necessary, jump into the sea to escape (such as when the ship has sunk), do not do unnecessary swimming in the sea. You can use the international "reduce heat loss" (HELP: HeatEscapeLesseningPosture) posture to reduce body temperature spread. That is, three people in a group, shoulders and shoulders are surrounded, and everyone curls up close to their abdomen, saves heat and physical strength, and waits for rescue.
OK, that’s all for today. Follow the passers-by and hear the passers-by say, See you next time. #Telebrity Creation Challenge#
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