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do-jet-planes-dump-fuel-35 Email icon An envelope. But aside from this page of FAA policy, that's about it when it comes to regulations. Set up later Close icon Two crossed lines that form an 'X'. This article needs additional citations for verification. Shows Good Morning America. Gone with the Wind?

Rats that were fed kerosene showed no increase in tumors, the agency said in a summary. The Los Angeles County Public Health Department said students that were exposed to the fuel vapor were sent home with instructions on how to clean themselves with soap and water and to thoroughly wash their clothes and to discard them if the odor remained. Delta sent cleaning crews to work with Los Angeles Unified School District crews to clean outside areas of the campuses and all reopened Wednesday.

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Colorado suspect got assault weapon 6 days before shooting Mar 23, PM. Narrator: On March 23rd, , a year-old woman on a flight from Shanghai to New York began having trouble breathing. When she started slipping Do Jet Planes Dump Fuel Model in and out of consciousness, the pilot knew there was only one thing to do to save her: dump more than 65, pounds of fuel into the sky. Anthony Brickhouse: Fuel dumping, simply explained, is an aircraft losing weight before it lands.

And what he's talking about is officially called a fuel jettison. 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, gallons of fuel, which is about three elephants weighing it down. So, landing with a full tank is pretty risky. But most flights aren't landing with a full tank.

They might not be taking off with a full tank either. Before takeoff, the flight planner calculates the amount of fuel needed to complete the trip.

So that enough fuel gets burned off over the course of the flight and the plane's weight comes down and then it's safe to land. A pilot will choose to dump fuel only on very rare occasions.

Brickhouse: Unless you have a medical emergency on board, someone Do Jet Planes Dump Fuel 3d is dying, you don't really have time to fly around and burn fuel. So, in that case that's when you would dump fuel so that you can lose weight quickly. Narrator: If the pilot has a little more time or doesn't have the capacity to dump fuel like in a lot of smaller crafts, they might dirty up the plane, this means purposefully creating drag and flying around in circles in order to burn off the excess fuel.

But if a passenger is critical, like the woman from , they might not have time for that. Fuel jettisoning systems can dump thousands of pounds a second. Most can get a plane back down to its max landing weight in 15 minutes or less, and it's usually as easy as flipping a switch in the cockpit.

Most systems are a series of pumps and valves that divert the fuel to the tips of the wings. The fuel streams behind the plane in what looks like contrails and yes, there is a fail-safe in place to stop the pilot from expelling all the fuel at once.

But it's not just a pilot's judgment that decides when and how fuel gets dumped. The Federal Aviation Administration has a handful of regulations in place: the plane has to be at least 2, feet above the highest obstacle along the route, at least five miles from any other aircraft and away from populated areas and bodies of water whenever possible.

But aside from this page of FAA policy, that's about it when it comes to regulations. Dumping fuel into the atmosphere isn't free of consequences, but the Environmental Protection Agency just isn't worried about it.

It regards the practice as exceedingly rare and leans into the fact that airlines don't promote it because it's a waste of money. Brickhouse: If we get to a point where we're seeing more aircraft with the capability to dump fuel and we're seeing more aircraft dumping fuel and maybe not from an emergency point of view, then maybe yes, that would be something that the EPA would need to look into.

Narrator: British Airways estimated in that only. If that number still holds up today, we're looking at almost two million gallons dumped in by U.

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