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A person can use a parachute, and a large parachute is needed to pull a person. If it is an airplane, 100 tons of weight * aircraft speed (two or three hundred meters per second) = momentum, do you know how big this momentum is? At least 10 parachutes the size of Tiananmen Square are needed.
And with such a large area, the quality of the parachute is required to be higher, and there can be no unevenness. I dare say that no country in the world can make such a parachute. It's like if you ask a company to make a 10-kilometer-long railroad track, and the bend width cannot exceed 1 meter, no country in the world can do it!
And no one will try it for you, because if you bend a little, you will have to redo it, and the cost will exceed the ** of 10,000 high-speed rail!
And this parachute is likely to weigh more than the plane, and once opened, it will be overwhelming. Iron rope hanging in **? On a plane?
The plane is just an iron frame, and with such a large momentum, it will break the plane from the air into pieces in one fell swoop! You don't have to fall to your death, you will die in the air!! So people who mention this kind of thinking can be said to be p who don't understand and lack brains!!
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There is definitely a problem, just think about it carefully, large planes weigh hundreds of tons, with a parachute at least 30 tons, when flying at almost the speed of sound, as soon as the parachute is opened, it will be blown up, even if the parachute does not blow up the plane will be torn off instantly, even if the plane does not tear off the person, it will be strangled by the seat belt. Boring.
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In fact, it is still possible to do it with a parachute of this size, but it costs a lot of money. This parachute is not necessarily cheaper than an airplane. Although it is said that safety comes first, after all, the wool is out of the sheep, and your plane ticket will be doubled by then.
Another problem is that the parachute itself is a safety hazard of the aircraft, and if it is opened due to a malfunction during normal flight, the consequence is that the plane is destroyed and people die.
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Cirrus series of private jets have, because it is Cirrus patent, the others are unknown. The following is an open umbrella experiment.
Besides, all the materials used to make parachutes today cannot withstand the weight of civil airliners.
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It's not completely impossible.
But when you land on the ground, the parachute covers the plane.
When it reaches the ground, the plane will taxi for a while, so that the parachute will jam the wheels of the plane.
There is no way to collect a parachute.
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Now some small aircraft are in use, and it is not impossible for large passenger planes to start using them.
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Why is there no parachute on the plane?
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And then who will collect this umbrella?
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Civil airliners are not equipped with parachutes。Aircraft accidents are generally too late to complete the preparation for parachuting, the flight altitude is high, the parachuting conditions are harsh, many passengers do not know the technical operation, and it will greatly increase the weight of the aircraft, take up a lot of space, and the passengers will cause great confusion if they jump first.
The reason why there are no parachutes on civil aircraft is because:
First of all, the weight of the aircraft, as well as the space requirements, did not allow carrying a parachute。Imagine that there are 200 seats on the plane, if each seat is equipped with a parachute, there is no such place to store, which will greatly increase the weight of the aircraft and make the aircraft fly to face potential safety hazards.
Secondly, the cruising altitude of civil airliners is usually more than 10,000 metersBecause of the low temperature and low pressure, people die in a few seconds after leaving the cabin. In addition, the death rate of untrained skydives is definitely higher than that of forced landings.
Third, plane crashes usually happen in an instant, even if each passenger has a parachute, there is no time to complete the preparation for the jump.
Fourth,At this stage, the aircraft is generally designed with only two front and rear doorsIn the event of an emergency, it can cause extreme confusion as passengers scramble to jump first, which can affect the pilot's operation, which has the potential to lead to a bigger accident.
Guarantee content of civil aviation flights:
Civil aviation flights require complex and multifaceted comprehensive support. Flight support mainly includes aircraft maintenance support, flight control, meteorological support, field support, aviation and defense support, etc., and any one of these supports cannot meet the basic needs of flight, which will pose a threat to flight safety and may make the flight impossible.
Even as aircraft performance continues to improve, maintainability increases, and reliance on ground equipment decreases. However, real-time navigation dispatch and command, smooth communication. Accurate and timely weather forecasts, safety and defense of landing sites, and close ground-air coordination are indispensable conditions for the smooth implementation of air evacuation.
The above content refers to Encyclopedia Flight Support.
The above content refers to China.com Is there a parachute on the plane Why is there no parachute on a civil aircraft?
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Civil airliners are generally not equipped with parachutes, regardless of whether they are Chinese or foreign.
There are several reasons for this:
First, not everyone can skydive, 99% of the population can't skydive, and skydiving also requires relevant skills.
Second, airplanes generally fly in the stratosphere, flying at 10,000 meters, the temperature is minus 30 degrees, the air is thin, and you will freeze to death if you go out at this altitude.
Third, it's too late. There are only about 3 minutes to fall, and it is too late to put on the umbrella bag, let alone line up for a parachute jump.
Fourth, even if everyone is dressed, the plane will not be able to complete the parachute jump during the high-altitude fall.
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Civil aircraft are not equipped with parachutes, passengers do not, and neither do the crew.
This is because if each passenger is equipped with a parachute, it will greatly increase the weight of the aircraft, and it will take up a lot of space on the aircraft, which will greatly affect the ability of the aircraft to operate.
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Civil aircraft do not have parachutes. Passengers on civil aircraft are not professionally trained, and the layout of the aircraft is not suitable for parachuting.
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The design is not safe, the technology is not in place, and although the chance of a wreck is small, it is not saved.
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There is no parachute on the plane.
There are five reasons why airplanes are not equipped with parachutes. They are: time reasons, height reasons, ground reasons, ground reasons, and other reasons.
1. Time reasons: Plane crashes usually occur in an instant, and most of the dangers or failures are when the plane takes off and lands and lowers, even if each passenger has a parachute, it is too late to complete the preparations for parachuting.
2. Altitude reasons: Generally, commercial airliners are in the stratosphere.
Flight, flight altitude.
It is about 10,000 meters, and the height suitable for skydiving is about 1,000 to 800 meters, at that altitude the air is very thin, the temperature is very low, and it is impossible to survive outside the cabin, and the flight speed of the passenger plane is very fast, even if the altitude is reduced to the height that can be parachuted, jumping out of the cabin will be like hitting a wall heavily due to the resistance of the air, and the human body can not withstand this degree of impact.
An untrained person in the process of free descent will experience cold, panic, foreign body impact, extremely easy coma, and due to air resistance.
All clothing is stripped of the body, so a safe nine-kilometer descent with a parachute bag is almost impossible.
3. Ground reasons: Even if the parachute is not stripped of the body and can be opened normally, the chance of surviving the parachute is still basically zero, because the ground conditions are often not suitable for landing at all, such as the sea, mountains, and so on. Untrained people, unable to maneuver a parachute, can easily wrap themselves in an umbrella bag and smash it to the ground like a stone.
4. Weight reason: if per passenger. Equipped with a parachute, it will greatly increase the weight of the aircraft, and it will take up a lot of space, which will greatly affect the ability of the aircraft to operate. Equipped with a parachute, it will significantly increase the weight of the aircraft.
5. Other reasons: In the design of the aircraft at this stage, there are generally only two front and rear doors and an emergency door. In the event of an emergency, it can cause extreme confusion as passengers scramble to jump first, which will affect the pilot's operation and may lead to a larger accident.
The cabin of the airliner is sealed, and if the door is opened, it will lead to a serious loss of pressure accident, and the result is that all passengers in the cabin will freeze to death or suffocate to death. Not everyone can use a parachute, and skydiving requires considerable experience and skill. Let's talk about large airliners.
In the event of an emergency, the fall speed is fast and irregular, and even if the hatch can be opened, it is difficult for a person to jump out with such a large pressure.
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Civil airliners with stove oaks are not worthy of talking about parachutes on the side. Aircraft accidents are generally too late to complete the preparation for parachuting, the flight altitude is high, the parachuting conditions are harsh, many passengers do not know how to operate technically, and it will greatly increase the weight of the aircraft, occupy a lot of debate space, and passengers will cause great confusion when they jump first.
A parachute is an aviation tool that uses the principle of air resistance and relies on an deployable aerodynamic reducer that is inflated relative to air movement.
Parachutes, commonly known as "safety umbrellas", are widely used in the aerospace field, and are mainly used for: emergency survival, stabilization, deceleration, **, airborne drop, and aviation sports.
The main components of a parachute are the parachute, the guide parachute, the paracord, the harness system, the parachute opening parts and the parachute bag, etc., which require a certain amount of skill to operate well.
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Precautions for baggage by air:
1. The carrier shall not transport baggage and articles that have not been checked by security;
2. Prohibited items, restricted items, dangerous goods, and other items with peculiar smell or easy to deface the aircraft stipulated by the state cannot be checked in as baggage or added to the baggage, and the carrier may refuse to accept or terminate the carriage at any time if it finds that the baggage contains any items that cannot be used as a size to disturb the baggage or are caught in the baggage before or during the transportation process;
3. Sharp or blunt instruments other than controlled knives carried by passengers should be checked in with checked baggage and cannot be carried on their person;
4. Passengers who are prohibited from carrying liquids on board domestic flights are prohibited from carrying liquids with them, but they can be transported, and their packaging shall comply with the relevant regulations of civil aviation transportation, and passengers shall carry a small amount of cosmetics for their own use, and each cosmetics shall be limited to one piece, and the container volume shall not exceed 100 ml, and shall be placed in an independent bag to receive the bottle for inspection;
5. Passengers from abroad who need to transfer to domestic flights at airports in China should carry duty-free liquids into the country in a transparent plastic bag with the bag intact and sealed, and must present the shopping voucher, which can only be carried after the security check is confirmed.
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1. Because the cabin of the passenger plane is sealed, if the cabin door is opened, it will lead to a serious pressure loss accident, and the consequence will be that all passengers in the cabin will freeze to death or suffocate to death. At the same time, next to the hatch is the engine, which can easily be swept into the engine after parachuting.
2. The parachute is an extendable aerodynamic reducer that uses the principle of air resistance and relies on the air movement to inflate the air. A modern parachute is an aviation tool that enables people or objects to safely land from the air to the ground. It is mainly made of flexible fabrics.
It is the combat and training of the Airborne Forces, the life-saving and training of aerospace personnel, the training, competition and performance of parachutists, the airdrop of materials, and the equipment and equipment of the first aircraft.
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Summary. The aircraft is not equipped with a parachute because it is not a practical safety device. First of all, the speed of the aircraft when flying from a high altitude is too fast, and it is difficult for humans to resist the action of air resistance and inertial forces and carry out free fall, which will lead to great injury and even death.
Secondly, aircraft usually encounter various environmental changes and bad weather during the flight, such as strong winds, rainfall, thunderstorms, etc., which can have a significant impact on the use of parachutes. Finally, considering the safety of pilots and passengers, the aircraft has been designed and manufactured to be very safe, equipped with multi-layered security systems and emergency equipment such as lifeboats, pontoons, etc., to guarantee the safety of passengers in special situations.
The aircraft is not equipped with a parachute because it is not a practical safety device. First of all, the speed of the aircraft flying from high altitude is too fast, and it is difficult for human beings to resist the action of air resistance and inertial force and carry out free fall, which will lead to great injury and even death. Secondly, aircraft usually encounter various environmental changes and bad weather during flight, such as strong winds, rainfall, thunderstorms, etc., which can have a significant impact on the use of parachutes.
Finally, with the safety of pilots and passengers in mind, the aircraft has been designed and manufactured to be very safe, equipped with multi-layered security systems and emergency equipment such as lifeboats, pontoons, etc., to ensure the safety of passengers in special situations.
What does this mean?
The significance of the C919 large aircraft is that it is a large trunk airliner independently developed by the country, which is fully developed in accordance with the international advanced airworthiness standards and has China's complete independent intellectual property rights. This means that China already has the ability to independently design, produce and sell large civil aircraft, which can compete in the global market in the future, and can make great contributions to the country's civil aviation industry. At the same time, the R&D and production of C919 have also promoted the upgrading and development of China's aviation manufacturing industry.
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