Questions tagged [fire]

Questions about airport or aircraft fires/firefighting, including engine and cabin fire suppression systems and equipment, in-flight fire procedures, and ground firefighting procedures.

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5
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2answers
92 views

Why close isolation valve and APU bleed air for engine fire?

For engine fire, the reason to close the packs (affected side) is to prevent smoke from filling up the cabin? But why the Isolation Valve and APU Bleed Air need to be closed too?
0
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1answer
99 views

Regarding 49 CFR 830, what is considered an in-flight fire?

49 CFR 830.5 requires immediate notification for in-flight fires. Does that mean there must have been visible plasma? Would the presence of smoke alone be enough to report that there was a fire, or ...
3
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1answer
133 views

What is the correct procedure for operating the engine fire extinguishers on an ATR72?

I am developing an application for airport fire crew and ground staff. Part of the application is to familiarize users with emergency procedures of various aircraft. I have a few questions about the ...
4
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2answers
802 views

Why would engine fire cause loss of control?

I was wondering why engine fire would cause of loss of control or crash. There is loss of power and even drag. But could some expert please expand on the troubles of a engine fire?
3
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2answers
330 views

When evacuating after a rejected takeoff, what is the minimum distance you should be from the plane and which direction should you run?

In case of a rejected takeoff, and due to a malfunction or engine explosion, how far do you have to distance yourself from the plane and in which direction would you run towards? In my opinion (...
30
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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 ...
13
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1answer
997 views

Can a tail pipe fire occur in cruise? If not, why not?

I was reading the news for an incident where an A321 had to divert due to: the aircraft returned suspecting a tail pipe fire on the #1 engine, the crew did not receive any engine fire indication or ...
50
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6answers
19k views

Why can't helicopters or Zeppelins drop fire-fighting material on burning buildings?

There have been a number of tragic cases where tall buildings have caught fire for various reasons, and fire-fighters on the ground appear to have been unable to reach the upper stories with fire ...
2
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1answer
2k views

What is the requirement for fire fighting equipment on board a passenger flight?

What is the legal requirement regarding fire fighting equipment on a passenger flight, e.g. fire extinguishers and fire hoods? I imagine that the number is proportional to the airplane's max capacity. ...
11
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4answers
2k views

Can we eliminate the center tank of large passenger planes?

This is a safety question about fuel and fires. This all regards commercial aviation for large passenger planes. Most fuel is stored in the wings, but in the largest planes, there's also a center ...
2
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1answer
235 views

Is it possible for crew oxygen to exacerbate a flight deck fire?

Crew oxygen is, as I understand it, a very high percentage of purity. Oxygen-enriched air acts as an accelerant to a fire, causing things to ignite which wouldn't in ordinary air, and making fire ...
9
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2answers
2k views

Is an engine surge classed as an engine fire?

Sometimes flames come out from the exhaust due to bearing distress or turbine blade fracture. Can such flames/fire be considered an engine fire?
6
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2answers
217 views

How is smoke detected in the cabin when flying without passengers?

The Boeing website states that smoke detection devices are not present in the passenger cabin as the passengers/cabin crew are able to detect the smoke: A dedicated smoke detection system is not ...
14
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2answers
6k views

How does the pilot check if an engine fire is real?

I've read this question and its answers basically asking why putting out an engine fire is not left to the computer but a manual task. One of the points mentioned is that there simply might be a ...
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1answer
532 views

How do dry bays protect against fire?

How do dry bays protect against fire, and do civil aircraft also have dry bays like military aircraft?
16
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2answers
6k views

Why do jet engines sometimes spit out flames after ingesting birds?

After seeing this video of a 757's engine catching fire because of a bird, I wonder: What happens to the engine? Why does it periodically exhaust fire? Is this some safety feature?
1
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1answer
743 views

Can the pilot stop airflow between cockpit and cabin?

During normal operation the entire fuselage is pressurized equally: An aircraft fuselage does not contain separate compartments with different pressure values in each. The entire vessel is ...
3
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1answer
282 views

Do airplanes have sensors to detect landing gear fires?

Given that retracting a landing gear that happens to be on fire is a suicidally bad idea, for reasons that should be immediately obvious, do airplanes have temperature sensors on their landing gear in ...
0
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2answers
246 views

Do any airlines have Braille emergency checklists?

In reading the report into the crash of UPS Flight 6, I noticed that one of the items of feedback from pilots in a simulated inflight-fire scenario utilising a smoke-filled simulator was (page 287 of ...
0
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1answer
392 views

Why aren't cockpits airtight?

There are accidents where the pilots couldn't see the instruments and literally flew the aircraft blindly due to the excessive smoke in the cockpit, ranging from UPS Flight 6 to other accidents. ...
-1
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5answers
473 views

How about inventing a “fuel” that will not erupt into fire?

One of the most concerning factor in flight safety is the possibility of the plane erupting into fire due to a fuel spill and a spark. Is it possible---or have researchers ever worked on---to power an ...
32
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1answer
7k views

Has anyone considered filling aircraft voids with helium to reduce the risk of fire?

Watching air crash investigations, and aware of problems with batteries, the issue of fire and sparking is recurrent. As a noble gas, pure helium would not burn, and if I understand correctly would ...
6
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2answers
889 views

Is wheel well overheat detection (not brake temperature sensor) necessary for commercial jet aircraft?

Some aircraft do have this detection system (many Boeing aircraft), some do not. Why? What's the main purpose of the wheel well temperature detection system, even though there are brake temperature ...
12
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1answer
1k views

Is the life of pets considered when dealing with a cargo fire indication?

In this event, the crew of a 777 responded to a spurious cargo fire indication by activating the fire suppression system, which suffocates the cargo area. Presumably any pets held there would have ...
21
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2answers
13k views

How do fire crews handle hot brakes?

Let suppose an emergency aircraft has made an overweight landing. The brakes are white hot, and the fire crews are requested to be on scene. What can be done about the hot brakes? Can they just shoot ...
10
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4answers
5k views

Can an airplane engine fire be extinguished without shutting down the engine?

Airplane engines catch fire from time to time (and are falsely reported as being on fire even more often). In a modern airliner, the "fire handle" shuts down the engine, closes the fuel pipe, and ...
17
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3answers
7k views

Why don't airlines provide smoke hoods?

In Fire-involved Accidents and Incidents Reviewed , Rudolf Kapustin stated in 1993 that Nearly all aircraft accident fatalities that are not the result of crash/impact injuries are the result of ...
8
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4answers
3k views

Is it safe to fly on airplane with lithium batteries in cargo hold?

Lithium-ion batteries have the tendency to go on fire. I checked baggage policy of European low cost carriers (easyJet, Ryanair, WizzAir), and while spare batteries are banned from cargo hold, it ...
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1answer
436 views

Can an engine that is extinguished by foam be returned to service?

During the Qantas 32 accident, one of the engines could not be shut down as the control cable from the cockpit to the engine is cut. The fire crew eventually shut down the engine by shooting fire-...
1
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1answer
1k views

Are Cargo Holds Pressurized, Non-pressurized, or vacuumed? [duplicate]

I watched an episode of Air Crash Investigation, which depicts a plane catching fire due to it shipping many expired oxygen generators for planes. The narrator says that a fire in the cargo hold is ...
5
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3answers
1k views

Are drones used in firefighting, agriculture and pest control?

Well, as the question says I am interested in the use of drones in agriculture. Are there any drones designed to carry a tank of some chemical or water? How large are those tanks? I have seen that ...
27
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6answers
11k views

Why not just drop an engine on fire?

I am interested in the case of Qantas Flight 32 and similar incidents, where there was a fuel leak after a number two engine explosion due to the disintegration of the turbine disc. It was a very ...
21
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2answers
3k views

How to land the aircraft when the flight deck is full of smoke?

If a fire occurs in flight, the crew will likely try to land on a diversion airport. However landing presupposes seeing the primary instruments, switches and controls. Source In case the fire is not ...
8
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1answer
817 views

How can an airline flight crew handle an in-flight oxygen system fire?

The first step in the "Smoke, Fire, or Fumes" checklist for any pressurized aircraft is for the crew to put on their oxygen masks and set them to EMERGENCY, so that the crew can breathe, and thus ...
7
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1answer
1k views

How does the Boeing 747 smoke evacuation work?

(source, inset source) I recently watched Mayday's dramatization of UPS Airlines Flight 6. Then I recalled the Boeing 747 having a SMOKE EVAC handle. How does ...
4
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2answers
526 views

What are the consequences of disobeying cabin crew during emergency? [closed]

I was wondering what would be the consequences of disobeying flight crew due to emergency. I was watching a video of Singapore B773 enroute on Jun 27th 2016 that landed, had a wing on fire, and ...
4
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1answer
131 views

Which evacuation incidents were followed by a large fire?

Are there statistics about how many Aircraft emergency evacuation incidents (land-based) in the recent past (say, last 10 years) actually were followed by significant fires? By "significant" I mean ...
7
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1answer
409 views

What is the time before an alarm is given after a fire sensor perceives a fire?

I've got a very specific question: When a fire sensor perceives a fire, does it wait 20 or 60 seconds before giving the alarm?
11
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2answers
825 views

What do firefighters do on ordinary days?

Some not very busy airports can have no even a minor incident for years and accident probably won't happen in a major airport during several decades. Training of course is done sometimes. I don't know ...
5
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1answer
300 views

Do airplanes have any kind of fire insulation?

Commercial airplanes sometimes suffer from a bird strike or something else that could ignite a part of the engine. So apart from noise insulation, do airliners have fire insulation?
11
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2answers
15k views

How does a fire suppression system work?

On fire events, some aircraft have a complex system, usually called a Fire Suppression System. Where are they located? Do they work automatically, or it is necessary for the crew to activate them?
4
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2answers
2k views

Should I open a door or window when there is smoke in the cockpit?

Let's say when flying, I encounter smoke and the smell of something burnt in the cockpit. Should I open the door or a window to clear the smoke? My thoughts: the smoke may be toxic; opening the door ...
2
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1answer
913 views

Might a large commercial jet dump fuel if an engine were on fire?

In my mind this seems like a bad idea for a lot of reasons, like the dumped fuel lighting on fire itself, or perhaps leaving fuel vapor in the wing tanks (which may be even worse than regular liquid ...
14
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5answers
3k views

Should depressurization be considered in the event of an inflight cabin fire?

Uncontrolled cabin fires only need a few minutes to spread throughout the cabin of an aircraft, killing everyone onboard and destroying the airframe. Now, we all know that depressurization and fire ...
14
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1answer
2k views

Wind speed over which a Canadair fire fighting plane cannot safely fly?

We recently had some forest fires in Athens, Greece while the weather was very windy. The news said it had 8 beaufort of wind speed (34-40 knots, 38–46 mph) and in these conditions it's dangerous to ...
27
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5answers
6k views

Why don't aeroplanes automatically put out engine fires?

When an engine fire is detected the fire handle lights up and the pilot pulls it to extinguish the fire. Why doesn't it do that automatically? Why does the pilot have to pull the handle?
22
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4answers
4k views

When the brakes are checked, what do the firemen actually do?

Watching this video (at 06:58 mark), this plane had just made a mayday landing, due to a bird-strike. Because of the right engine being shutdown, it was forced to land immediately, with a full load of ...
10
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3answers
2k views

Is all jet fuel the same? [duplicate]

I'm a Chemistry student preparing an in-class lab demonstration that involves the combustion properties of jet fuel used in typical US based airliners. Is all jet fuel the same, or do I need to ...
4
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1answer
2k views

What kind of insulation is used on commercial aircraft?

How are commercial aircraft insulated and what kind of fire barrier material is being used? How much insulation is required in a typical Boeing 747 vs. a Boeing 787?