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Why can't planes land with fuel?

The reason to dump fuel
dump fuel
Fuel dumping (or a fuel jettison) is a procedure used by aircraft in certain emergency situations before a return to the airport shortly after takeoff, or before landing short of the intended destination (emergency landing) to reduce the aircraft's weight.
https://en.wikipedia.org › wiki › Fuel_dumping
is simple: to drop weight. Any given aircraft has a Maximum Landing Weight (MLW) at which it can land, and in most cases that weight is lower than its Maximum Takeoff Weight (MTOW).
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Why can't planes land with full fuel?

Planes are designed to land below certain weights. A heavier plane is more likely to hit the ground hard and get damaged. It's got 5,000 gallons of fuel, which is about three elephants weighing it down. So, landing with a full tank is pretty risky.
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What happens if a plane lands with full fuel?

Larger planes like the Boeing 747, on the other hand, have fuel jettison systems. If the aircraft tried to land without dumping the fuel first, it is considered an overweight landing attempt and could place immense stress on the airframe. It could also increase the risk of fire and fuel leaking onto the tarmac.
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Can a plane land with fuel in tank?

Yes! But it is safer to land an aircraft below its published MLW. Using the B777-200 as an example. So this particular aircraft may have to drop roughly 46,000 Kg of weight if taking off at its maximum before it can land safely.
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Why can't planes land on water?

If a plane breaks upon impact, there is a huge risk of flooding. Anderson: You're not going to float for very long, and if you land too hard, the chances of breaking it are very high because water is going to get in and it's going to start sinking. Narrator: And if a plane flips over, flooding will occur much faster.
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Why Pilots Dump Fuel Before Landing

Is it safer to crash a plane on land or water?

It's the same with aviation. By planning for the worst-case scenario, should the unexpected happen, we know that the safety of the aircraft and its occupants will not be jeopardized. As a result, flying over water really is no riskier than flying over land.
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Why can't planes fly in the rain?

Rain is just water, no matter the pressure. Modern aircraft can generate lift regardless of the heaviness of the rain. Planes can and will take off and land in the rain. The only real problem with heavy rainfall is the decrease in visibility for the pilots.
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Do planes dump fuel while flying?

While fuel dumps don't happen every day, they're also not uncommon. Nor do they usually represent a major emergency. In fact if an aircraft is taking the time to dump fuel before landing, that's likely an indication that the issue forcing the plane to land is serious but not critical.
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Why do planes burn fuel before takeoff?

Fuel dumping (or a fuel jettison) is a procedure used by aircraft in certain emergency situations before a return to the airport shortly after takeoff, or before landing short of the intended destination (emergency landing) to reduce the aircraft's weight.
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How often do planes dump fuel?

Dumping fuel is only done when no other options are available. Unless a flight has a severe problem or a medical emergency that requires the plane to land immediately, the pilots would rather keep flying in circles to burn off fuel rather than dumping it.
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What happens to toilet waste on a plane?

Now when you flush an airplane toilet, a trapdoor in the base opens, liquid is released, and everything is sucked out faster than a Formula 1 race car. Waste whizzes through the plumbing to the rear of the plane, where it's stored in sealed tanks, well away from passengers, until the plane touches down.
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Can lightning hit a plane?

Summer is the season for thunderstorms, and sometimes lightning can strike an aircraft that is flying. However, a lightning strike on an aircraft is not dangerous, as aircraft are designed to withstand lightning strikes. For an airline the size of Finnair, lightning typically strikes planes dozens of times a year.
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What happens if a plane lands too hard?

A hard landing has the potential to result in Loss of Control and/or aircraft damage, and will necessitate a manufacturer defined hard landing inspection.
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Can planes dump fuel before a crash?

But narrow-body planes such as the Airbus A320 or the Boeing 757 are not designed with gasoline dumping capabilities. However, larger, wide-body planes with extra tanks, such as the Boeing 777 and 747 can spill gasoline. Most of the dumped fuel starts evaporating before it reaches the earth.
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Why can't planes land in wind?

Aircraft are designed to be able to fly in stronger winds than you may think, and although landings can seem scary in these conditions, they are not. Aircraft land into the wind, as this allows the aircraft to slow down and eventually stop on the runway.
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Can a plane land if all engines fail?

Some airplanes have a ram air turbine that is lowered when electrical power is lost to provide a backup to power a hydraulic pump and limited electrical generator. As for the loss of the engines, all airplanes can glide to a landing.
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Why do they wet planes before take off?

Spraying the aircraft with very hot, high pressure fluid removes snow, ice, or frost adhering to the wings. Fluids are tinted to make them easier for pilots and ground crews to identify.
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What speed do airplanes take off?

Typical takeoff air speeds for jetliners are in the range of 240–285 km/h (130–154 kn; 149–177 mph). Light aircraft, such as a Cessna 150, take off at around 100 km/h (54 kn; 62 mph). Ultralights have even lower takeoff speeds.
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Why do planes crash during takeoff?

Common causes of takeoff and landing accidents include: Collisions with ground personnel. Overshooting a runway can cause a collision with ground crews or vehicles that were not cleared to cross the tarmac. Bad weather.
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What is the white smoke behind airplanes?

These clouds are contrails, short for condensation trails. Water vapor is one of the byproducts of jet fuel combustion and will turn into ice crystals in the cold air at the high elevations where jet airplanes fly. Those ice crystals create a cloud (the contrail), which does not pose any public health risk.
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Where does plane store its fuel?

Fuel Storage in Airplanes

Believe it or not, an airplane's wings often contain a majority of the fuel the aircraft will use. Some planes also possess fuel tanks inside the aircraft's body; however, there are several benefits to placing fuel in the wings of an airplane.
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How much is jet fuel per gallon?

The price of jet fuel as of January 2022 is as follows: $2.46 (US dollars) per Gallon. 1 litre = 0.65 pence (pound sterling)
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Do planes fly in 100% rain?

Yes, planes can fly in rain. Nowadays, airplanes are designed to fly in most weather conditions, even heavy rain. Even small planes can comfortably fly in heavy rain. Rain only becomes a threat when associated with other weather conditions, such as snow, thunderstorms, or ice.
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Can planes land in 50 mph winds?

While high winds (a crosswind above 40 mph and a tailwind above 10 mph) can occasionally prevent planes from taking off or landing on time, winds won't put your flight in any danger.
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Can planes fly in 20 mph winds?

With reasonable proficiency, most private pilots can handle surface winds of up to about 20 miles per hour. However, the direction makes a lot of difference, and flight instructors find that one of the most difficult lessons to teach is crosswind landings.
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