Questions tagged [engine-failure]

An engine failure occurs when one or more engines on an aircraft stop functioning normally. This is often assumed to mean a complete loss of power from the engine, but partial power loss and excess power are also engine failures.

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80
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7answers
25k views

How miraculous was the miracle on the Hudson?

The "miracle on the Hudson" was extremely unusual - dual engine failures and successful off-field landings in commercial A320-size aircraft are very rare. The event has been dramatized and the crew (...
54
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2answers
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Can the Airbus A380 safely fly with two engines out on the same wing?

I know twin-engine jets can safely take off and fly with one engine out (i.e. all thrust only on one side). Of course quad-engine jets are also able to fly safely in case one engine is out. But is ...
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3answers
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Can the A380 ferry an extra engine, like the 747?

A useful little quirk about the 747 is that it can ferry a fifth engine on the wing, for when another aircraft is stranded somewhere in the world. Does the A380 have the same capability? If not, how ...
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10answers
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Is it even remotely feasible to turnback a single engine aircraft with an engine failure?

Note before reading further that I'm asking this question purely on theoretical grounds, though you are more than welcome to talk about practical aspects as well. Now, my question. It's common ...
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7answers
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Have there been any incidents caused by an inability to shut down an engine?

I read many items on the avherald.com site where it says "engine shut down during flight" or words to similar effect. I'm wondering if there are any instances where an engine could not be shut down ...
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6answers
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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 ...
26
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7answers
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Can fighter aircraft glide?

In case of engine failure, do the fighter jets have such a stable airframe so that they can glide their way through to the nearest landing strip (As it happened in the case of Gimli glider)?
24
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9answers
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Why should you not turn in the direction of an inoperative engine?

In two-engine aircraft with wing-mounted engines when one engine quits the aircraft will have a natural tendency to turn to the dead engine. So if you need to turn, it seems logical it should be ...
23
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3answers
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In an engine failure, should I expect less range than with the engine in idle?

I fly a C172 (fix pitch propeller) and when my instructor and I practice a simulated engine failure, we do not turn off the engine, instead we set the engine to idle. In an actual engine failure, ...
22
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1answer
3k views

Does a jet engine keep running when it can no longer be controlled from the cockpit?

On the Qantas Flight 32 incident, the Airbus A380's number two engine suffered from an uncontained engine rotor failure and partially damaged the controls of number one engine as well. According to ...
21
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10answers
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Why are all engines identical in typical commercial airplanes?

I come from the IT world where redundancy is in place to cover several cases, among other: a statistical failure of a device (so we use more of them expecting that the event is independent) a rogue ...
21
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4answers
25k views

What is a Vmc roll?

Many aviation discussions of the TransAsia GE235 accident include comments like "that was a Vmc roll". What is a Vmc roll and how should you avoid it and/or recover from it?
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5answers
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Why do uncontained engine failures still occur?

One of the absolute requirements of an aircraft turbine engine (usually some sort of turbofan or turboprop) installation is that, in the event of a destructive failure of the engine, the engine ...
18
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2answers
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Are modern aircraft provided with analog consoles in case of a software failure?

I am curious about the redundancy they provide in modern era commercial aircraft. Here are the questions: If an aircraft suffers partial or complete software malfunction, do the pilots have the ...
17
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4answers
6k views

Does windmill restart often work for airliner engines?

There seems to be a certain class of airline accident where an airliner engine flames out followed by further unfortunate events. Very often, pilots are recorded as having attempted to restart a ...
17
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1answer
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Do commercial flights continue with an engine out?

Do commercial flights continue with an engine failure? If you look closely at the attached picture it seems that one of the engines has a much smaller contrail than the other three. This seems to ...
17
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3answers
13k views

Can an aircraft continue flying and land safely following an engine failure?

Is it possible that an aircraft could continue to fly and then land safely on a single engine if another stopped working?
17
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3answers
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In which direction should a turn-back be made after an engine failure on a multi engined airplane after take off?

In case one of the engines fails after taking off (let's suppose the left engine is the one that fails), which direction should we turn to go back to the airport? A left or a right traffic pattern?
16
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9answers
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Does a windmilling propeller create more drag than a stopped propeller in an engine out scenario?

For this question lets assume that we are talking about a fixed pitch propeller and not a variable pitch propeller. I do understand that variable pitch props should be feathered during an engine ...
16
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2answers
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Is there any legitimate reason for adding momentary power when descending at idle with full carburettor heat on?

Scenario: While demonstrating a simulated engine failure emergency landing a flight instructor puts on carburettor heat and reduces the throttle to idle of a small single engine Cessna. After a couple ...
16
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3answers
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How fast does cabin air pressure leak after a total engine failure?

When an airliner loses all engines while at cruising altitude, two things happen: The plane is a glider. It will descend no matter if you want to or not. The cabin pressure is no longer maintained. ...
16
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3answers
4k views

Would in flight engine failure of the passenger jet be reported?

A passenger plane with two or more engines would probably land without big difficulties with one engine inoperative. Would the passengers be notified, asking to take the brace position during ...
16
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2answers
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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?
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6answers
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Can the APU provide emergency thrust?

By David Monniaux (Own work) [GFDL, CC-BY-SA-3.0 or CC BY-SA 2.0 fr], via Wikimedia Commons Many larger airplanes have gas turbine APUs (auxiliary power units). It seems that their exhaust is ...
15
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2answers
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Why isn't there a procedure for dual-engine failure in twin-engine airplanes?

I'm licensed to fly multi-engine aircraft. I currently fly the DA-42NG. However, nowhere in my training and in the official POH was I introduced to procedures for handing a dual-engine failure in-...
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2answers
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What happens if an engine fails between V1 and V2?

What happens if an engine fails between V1 and V2 on a modern twin airliner? As I understand it, at V1 you have enough runway remaining to safely stop and abort the takeoff. V2 is the lowest single ...
14
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3answers
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Does an A320 revert to Direct Law if both engines flame out?

In the case of a flame-out in both engines on the two-engine A320, does the aircraft revert to Direct law or does it maintain Normal Law? An example is US Airways 1549 (the landing on the Hudson).
14
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1answer
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How do engine manufacturers minimize damage from bird strikes?

What are the ways that engine manufacturers currently minimize the damage caused to engines in a bird strike?
13
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4answers
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Are jet engines designed in a way to make an explosion result in the least damage possible?

I know most engines are super reliable today, but do manufacturers do anything to at least make an explosion result in the least damage possible?
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1answer
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How does an engine failure affect the flight of an airplane?

I'm not even close to an aviation enthusiast, but after watching some videos I found I have a deep misunderstanding on how airplanes work. . I've seen many cases where one of the engines fail and ...
13
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2answers
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Have there ever been any accidents within holding stacks?

At a busy airport, up to a dozen aircraft waiting to land may fly the same holding pattern at the same time, separated vertically by 1,000ft. — a stack. Some ATC towers have dedicated Stack ...
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1answer
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How can a passenger tell if a flame-out / engine failure has occurred?

Reading this page, a retired American Airlines pilot quotes: We tell passengers what they need to know. We don’t tell them things that are going to scare the pants off them. So you’ll never hear me ...
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4answers
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During a takeoff emergency, is it safer to abort or continue the takeoff if either can be done within the available runway?

In a multi-engine airplane, if an engine failure occurs at the exact moment that a decision needs to be made to reject or continue the takeoff, and there is plenty of runway available to do either, ...
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4answers
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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 ...
10
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2answers
3k views

Do airline SOP normally recommend an in-flight engine restart in the case of an unexplained shutdown?

You're flying along at cruise in say a 737 or similar twin-engined yet. Suddenly, one of your engines shut down for no apparent reason. (or no abnormal indications such as low oil or similar) Do you: ...
10
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4answers
2k views

Is a single engine failure on the HondaJet recoverable?

Is it possible to recover from a single engine failure at cruising altitude on the HondaJet and safely land the aircraft?
10
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1answer
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What Caused the Engine-Failure of Southwest Airlines Flight WN-3472?

What caused the damage on Southwest Airlines Flight WN-3472? The inlet section of the engine is missing but the fan and nose-cone are still visible. Pictures taken during flight even seem to show ...
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2answers
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Why is there a maximum altitude to restart a jet engine?

On all the turbojets that I have flown the maximum altitude a pilot can attempt a restart is 30,000 FT MSL. What factors go in to deciding what the maximum altitude is for an engine restart / relight?...
10
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2answers
740 views

How can the pilot tell the center engine failed on a piston aircraft with three engines?

There are a few aircraft, such as the Britten-Norman Trislander, that use three piston engines -- one on each wing and one mounted along the centerline somewhere. This is fine and good, but how do ...
10
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3answers
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Single engine failure in a light twin after lift-off: what to do?

In a previous question the case about if a turnback would be feasible, specifically for a single engine aircraft, has been analysed. But given a twin-engine general aviation aircraft and a single ...
9
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2answers
1k views

Can a tiltrotor fly safely with one engine?

I am curious about tilt-rotor feasibility (such as AW609) against fixed-wing and rotor-blade aircraft (conventional helicopters). One important issue that immediately arises in my mind is that both ...
9
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7answers
6k views

Will the landing gear work mechanically in case of total power loss?

In case of a total power failure in all the aircraft systems like engine failure and APU failure, would it be possible to use mechanical means (manually) to open the landing gear bay door and deploy ...
9
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2answers
2k views

What keeps an aircraft engine from flaming out at high altitude?

High altitude atmosphere has lower oxygen level. How do aircraft, especially the military ones, prevent engine flameout?
9
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1answer
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Do airline pilots identify failed engines in the same way as light aircraft pilots?

Do the two old adages of light multi-engine flying, namely "Dead foot, dead engine" and "Raise the dead", still apply when flying transport-category aircraft? Or do airline pilots need to rely on ...
9
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3answers
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Does engine failure shut off the auto-pilot?

After answering this question it got me wondering whether there can be a situation where a complete flameout of engines could cause a serious loss of control if the auto-pilot were to continue to try ...
9
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2answers
1k views

Is it common for a cold reciprocating engine to stop at idle?

The other day I started the engine of a PA28 and put it at 1200 RPM as per the checklist but the sound didn't seem right - so I tried each magneto and the power dropped a lot on one of them. I then ...
9
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1answer
7k views

What are the reliability statistics for modern jet engines?

What is the actual numerical reliability statistics of the modern, large-aircraft, commercial turbofan engines available today? e.g. How many running hours can we expect a failure after? Are there ...
9
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1answer
2k views

Can a Boeing 747 or A380 produce a positive rate of climb with one engine only?

Assume that a Boeing 747 or Airbus A380 takes off at max takeoff weight. Minutes after takeoff, 3 engines fail, leaving only 1 engine operating. Can the aircraft achieve a positive rate of climb in ...
8
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3answers
4k views

Why weren't the Airbus A330 engines designed with a system to stop their fans?

Why wasn't the Airbus A330 designed to stop its fans (with some kind of 'handbrake')? To clarify, I am specifically talking about the aircraft that flew Air Asia flight D7237. During the flight the ...
8
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1answer
1k views

Can the four-engined Lockheed JetStar II fly on one engine?

As we know, there are no four-engined business/private jets currently in production. Some Dassault Falcon models are actually trijets, but this is not the case. The only four-engined business jet in ...