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.

Filter by
Sorted by
Tagged with
43
votes
6answers
16k 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 ...
84
votes
5answers
31k views

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 ...
29
votes
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?...
22
votes
2answers
10k views

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
votes
4answers
37k 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 ...
27
votes
5answers
3k views

What are the ways to burn fuel faster in case of emergency without fuel dumping system?

In many cases, the maximum landing weight of an aircraft is lower than the takeoff weight due to the amount of fuel it carries. While some aircraft have fuel dumping systems, others like the A320 ...
21
votes
6answers
8k 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
votes
5answers
2k views

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
votes
1answer
540 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
votes
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?
38
votes
3answers
14k views

Why can't an Airbus A330 dump fuel in an emergency?

It was reported recently that the Swiss flight LX18 from Zurich to New York had detected an engine issue shortly after take-off and decided to land back in Zurich. Apparently, the Airbus A330-343 ...
30
votes
2answers
7k views

Why didn't Philippine Airlines Flight 113 dump fuel prior to forced landing?

Philippine Airlines Flight 113 operated by a Boeing 777 bound for Manila suffered a compressor stall and engine fire. I wonder why the pilot didn't dump fuel from the left-side prior to the landing ...
11
votes
3answers
999 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
votes
2answers
4k 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 ...
15
votes
2answers
5k views

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 ...
11
votes
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
votes
1answer
5k 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 ...
6
votes
3answers
310 views

Planes returned to base after dumping fuel due toilet issues [closed]

A colleague of mine experienced this and I was astonished. Flying KLM from PVG to AMS a couple of hours into take off toilets became full. The pilot dumped fuel and returned to PVG. All passengers ...