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Questions tagged [fuel-dumping]

Fuel dumping is a procedure used by aircraft in certain emergency situations before a return to the airport shortly after take-off, or before landing short of its destination to reduce the landing weight.

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43
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6answers
15k views

When are aircraft required to dump fuel for emergency landings?

I've heard that in a lot of instances a jet that is making an emergency landing is required to dump excess fuel. In a lot of instances this would make a lot of sense. For example, if the gear cannot ...
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5answers
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Why does the F-111 sometimes squirt a giant fire plume behind it? (NOT afterburners!)

As seen in multiple pictures: First, this one, it appears the aircraft is spraying copious amounts of fuel into the exhaust! Surely this provides no thrust, not in the way an afterburner (which the ...
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2answers
8k views

How is fuel dumped in aircraft?

I have heard incidents in which commercial aircraft are required to dump fuel in event of an emergency to avoid landing over maximum landing weight. What systems do aircraft have in place to dump fuel?...
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2answers
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Why doesn't the 737 have a fuel dump nozzle?

I was watching a documentary on aircraft incidents which mentioned that the 737 does not have the facility to dump fuel. Instead they're required to fly in circles to burn off excess fuel in an ...
41
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4answers
36k views

How is fuel dumping safe?

The answers to this this question make it clear how modern airliners dump fuel in the case of an emergency. As far as I understand, fuel dumping might be done to lower an aircraft's weight to the ...
21
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6answers
7k views

Can a wide body airliner land safely with a full fuel tank?

Can a commercial double-aisle jet aircraft (e.g., 777, A330) land safely with a full fuel tank (minus the fuel spent on taxing and takeoff)? Has that ever happened?
7
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5answers
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Is it possible to recover dumped fuel?

During emergencies pilots are authorised to dump fuel, but is there any way or method to recover the fuel that has been jettisoned?
10
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1answer
489 views

What are possible explanations for fuel being expelled in this video?

In another question, I asked about whether or not a fuel spill would be reportable or not. The answer was "no", because the aircraft was not in flight. What are the possible causes of the spill ...
6
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3answers
1k views

Jettison and Dump fuel - Do they have separate meanings?

According to the definitions, is there any difference between Jettison and Dump fuel? Does one of them use a different procedure, or they are simply synonyms?
10
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3answers
851 views

Why isn't dumped fuel burned?

Fuel dumping seems to have a lot of restrictions, like the need to do it above a certain altitude and over water. It also has to end up somewhere, even if it vaporizes, which is less than desirable. ...
6
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2answers
3k views

What factors determine where an aircraft can dump fuel?

An aircraft flying over a densely populated area–far away from the sea and mountains–declares an emergency, request fuel dump, and a landing as soon as possible. How does an air traffic controller ...
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2answers
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How often does fuel dumping from planes in flight actually occur?

There are a couple of questions about the emergency procedure of fuel dumping, used to reduce the weight of airplanes to be able to land. This is certainly interesting, regarding environmental ...
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2answers
2k views

Would the Aeroflot Flight 1492 have been able to dump its fuel first before landing?

In the recent Aeroflot Superjet 100 crash, it seems to me that (at least) the landing gear was spiked upwards, penetrating the fuel tanks, which might be one of the factors that lead to disaster. In ...
9
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1answer
4k views

What is the minimum altitude for dumping fuel?

In this question, a comment mentioned that if a 4-engine airliner suffers a 3-engine failure shortly after takeoff, the only way to stay aloft may be to dump fuel. What is the minimum altitude which ...