Questions tagged [emergency-procedures]

Questions specifically about procedures to be used in emergency situations. Use the "emergency" tag for more general questions.

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How are fly-by-wire airliners controlled in case of complete electrical failure?

In this comment, it is postulated that even fly-by-wire aircraft (Airbus) are demonstrated to fly without any electrical systems. All Airbus aircraft are demonstrated controllable with complete ...
Sanchises's user avatar
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38 votes
12 answers
17k views

Can a passenger jet be towed to safety if it breaks down in midair?

A car can be towed by a tow truck to the repair shop when it breaks down on the highway. Is it possible for a passenger plane to be towed by an emergency tow plane along the air corridor to the next ...
Question Overflow's user avatar
26 votes
1 answer
5k views

Is there any emergency situation in which jet engines would not be shut down before passenger evacuation of a transport aircraft?

A comment to this answer discusses the possibility of evacuating passengers risking ingestion into the engines if evacuating over the leading edge of the wing. That particular question discusses the ...
user's user avatar
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16 votes
2 answers
5k views

How are Airbus pilots trained for using the mechanical backup control systems?

The A320 and friends have mechanical-only control capability (manual pitch trim + rudder pedals) for cases of total fly-by-wire computer or electrical failure. Obviously, this would be covered in ...
UnrecognizedFallingObject's user avatar
25 votes
5 answers
7k views

May an emergency aircraft land on a closed runway?

Let's say that you're on approach to a remote airport to refuel (for arguments sake, Funafuti International Airport, Tuvalu), with 1-2 hours of fuel remaining in your aircraft. Contacting ATC to ...
Danny Beckett's user avatar
13 votes
3 answers
4k views

How are landing aircraft handled during an emergency runway closure?

A Hypothetical scenario A landing aircraft at a busy airport such as London Gatwick LGW has an issue during landing that requires the immediate closure of the runway. My understanding is that ...
Notts90's user avatar
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12 votes
2 answers
2k views

What are the ejection injury and fatality rates?

Most of us have probably heard about how ejecting from a military aircraft is dangerous in and of itself, and that ejection is not a get out of jail free card. The most common dangers seem to be: ...
AEhere supports Monica's user avatar
11 votes
1 answer
1k views

In this 2nd brace position, should your head lean against the seat in front?

Air Crash Investigation: M1 Plane Crash (S14E01) motivated this question, the relevant timestamps for which I greened. Neither the audio or picture below (in which the hands are hiding the front of ...
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33 votes
4 answers
9k views

What do flight attendants do if a passenger asks what is going on in case of a potential emergency?

This is related to, but not the same as, another question I asked on Interpersonal Skills. I was on a flight last year, on a route I fly on a fairly frequent basis. Shortly after takeoff, I heard the ...
gparyani's user avatar
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23 votes
3 answers
7k views

Are engines automatically stopped in an emergency landing?

This answer made me wonder if engines are stopped automatically after an emergency landing as soon as one of the exit doors are opened. (...) if the engine is still running, you're about to run ...
Arsenal's user avatar
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10 votes
1 answer
8k views

What if there are no volunteers to sit in the emergency exit row?

I'm currently seated in the emergency exit row, and had an interesting thought. If I was unable or unwilling to assist the crew in an emergency and operate the emergency exit, then I am supposed to ...
Roddy of the Frozen Peas's user avatar
7 votes
3 answers
1k views

Is it practical to use ground effect to extend range in an emergency?

Imagine a piston engine airplane (let's say a DC-3) flying at cruise speed and altitude over a calm sea, trying to reach an unreachable airstrip straight ahead, just above sea level. Fuel is very low ...
user721108's user avatar
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7 votes
2 answers
9k views

How to calculate the best glide speed if there is none on the POH?

I am studing the POH of Seneca II and could not find the Best Glide Speed. Where can I get this information from? I thought to multiply Vs clean for 1.4 to get an approximate result but I am not sure ...
Andrea Ghilardi's user avatar
3 votes
2 answers
1k views

What were the procedures to follow in US Airways Flight 1549 during descent?

In the documentaries, and in the texts about the US Airways Flight 1549 ("The Miracle on Hudson"), procedures and checklists are mentioned and shown as a good example. What procedures were ...
culebrón's user avatar
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2 votes
1 answer
7k views

Why is FAC 1 cycled OFF to ON during a dual engine failure?

I was reading in the Airbus A320 FCTM regarding the dual engine failure procedure. The ECAM tells us to recycle FAC 1 OFF THEN ON. Why do we have to recycle FAC 1 specifically? I opened the QRH and it ...
Jai's user avatar
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34 votes
5 answers
10k views

Do pilots need a clearance to go around?

I have read about the missed-SFO-accident and watched the 2:22 movie. I want to ask about going-around (or canceling takeoff) when the pilot is fully aware of an emergency that the tower is not (or is ...
usr-local-ΕΨΗΕΛΩΝ's user avatar
34 votes
3 answers
11k views

What can a pilot do if an air traffic controller is incapacitated?

I watched this video: where a Las Vegas controller is on duty alone and suffers a stroke. The pilots become quite uncomfortable with the situation and basically ...
Christian's user avatar
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30 votes
2 answers
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 ...
Adham81's user avatar
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26 votes
2 answers
8k views

If the Captain's screens are out, does he switch seats with the co-pilot?

If captain's screens are out, and let's say that the airplane is about to land and the captain is supposed to land it, will he/she switch the seats with the co-pilot? or does he/she depend on the ...
Nean Der Thal's user avatar
23 votes
4 answers
7k views

Aborted take off. What happens next?

A rare -- as I was told -- situation of aborted take off for a large passenger jet. What is next? Everything goes as smudge as possible after getting jetliner to full stop. Plane clears the runway ...
trejder's user avatar
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22 votes
1 answer
4k views

Declaring an emergency: How should you report fuel remaining?

When a flight has to declare an emergency, they are asked for souls on board and fuel remaining. Sometimes the ATC will want fuel in minutes (or hours) and sometimes in pounds. Could we get a ...
CGCampbell's user avatar
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21 votes
1 answer
4k views

Why does ATC ask emergency aircraft about fuel on board?

From what I hear, it looks like it's a standard procedure that ATC asks about fuel on board whenever an aircraft declares an emergency. Do they need the information for their own planning purpose or ...
lemonincider's user avatar
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20 votes
6 answers
9k views

What is the procedure when an aircraft with an emergency can't land due to a blocked runway?

This is a hypothetical scenario, but I'm interested to know if there are any regulations/guidance for what ATC should do in this situation. The hypothetical nightmare scenario: The runway is blocked ...
stripybadger's user avatar
19 votes
3 answers
5k views

On an engine failure, can I contact the tower instead of 121.5?

Let's say I am cruising at a very high altitude with my Cessna, like at 5000ft+ AGL, and I got an engine failure. After going through the checklist, my engine is still not working, but I realized ...
skylover's user avatar
  • 333
19 votes
4 answers
2k views

Does cargo heat failure require a diversion? What about if there are live animals in cargo?

There was a story in the news recently that an Air Canada 787-8, enroute from Tel Aviv (TLV) to Toronto (YYZ), diverted to Frankfurt (FRA) when the pilots discovered a problem with the cargo heat. ...
Nate Eldredge's user avatar
16 votes
2 answers
4k views

Do airliners have a "switch" or other means of rapidly squawking emergency?

A standard means of informing Air Traffic Control of an emergency situation is to enter the code 7700 into the radar transponder. However, in a situation where the radios are busy and the crew is ...
Michael Hall's user avatar
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14 votes
4 answers
3k views

Can computer imposed inputs be overridden on the Boeing 737-MAX?

During Lion Air Flight 610, a Boeing 737-MAX, it seems that the angle of attack sensors caused the software to believe the aircraft was stalling, thus initiating a nose-down pitch to recover from the (...
Cloud's user avatar
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12 votes
3 answers
2k views

What are the consequences of falsely and/or unnecessarily declaring an emergency?

I'm curious as to what would happen to a pilot should they falsely declare an emergency to expedite their landing. By 'falsely' or 'unnecessarily' I mean that the hypothetical pilot is not ...
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12 votes
1 answer
3k views

How is the emergency exit row handled when there are no passengers aboard eligible to sit in an exit row seat?

Based on Roddy's question about nobody volunteering for the exit row, I can imagine a related but more extreme scenario: what if there are no passengers on the plane who are eligible for an exit row ...
UnrecognizedFallingObject's user avatar
11 votes
2 answers
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 ...
gsamaras's user avatar
  • 1,767
11 votes
5 answers
3k views

Why does spin recovery involve cutting the throttle?

When recovering from a spin, the first step is generally to cut the throttle: ... Otherwise, to recover from an upright spin, the following generic procedure may be used: Power is first reduced to ...
Vikki's user avatar
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11 votes
3 answers
3k views

What happens with the avionics if in midair there is loss of power or fuel flow interrupted? [duplicate]

What happens if in midair there is loss of power, how will the avionics perform in such a situation (cockpit display, flight plan)?
Hariom Singh's user avatar
10 votes
2 answers
3k views

Does the Airbus A350 have an Automatic Emergency Descent System?

In 2009 Airbus went public with a new feature in the Airbus A350, an Automatic Emergency Descent (AED) System. The system would detect a rapid depressurization and, after a defined waiting time, ...
Stefan's user avatar
  • 4,692
10 votes
1 answer
713 views

How are disabled passengers evacuated during emergency?

Basically the title. However, I would request if someone can throw some light on how FAA or the airlines train the crew to handle emergency evacuations with a disabled person on board. Are the ramps ...
Firee's user avatar
  • 9,111
10 votes
6 answers
2k views

Flying VFR in uncontrolled airspace, what to do if one spots an apparently out-of-control fire on the ground?

Suppose I'm flying VFR in class G (uncontrolled) airspace, monitoring the local CTAF frequency while doing so. Maybe I'm alone in doing circuits around the local airport, or maybe I'm practicing ...
user's user avatar
  • 6,984
9 votes
2 answers
4k views

Brace position - does it really save lives?

There are some people say the brace position was invented so that passengers don't experience pain when they die in a crash. The brace is designed so that you die quicker (by breaking your neck). One ...
Cloud's user avatar
  • 13.3k
9 votes
1 answer
7k 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 ...
kevin's user avatar
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9 votes
1 answer
2k views

What happens to en route flights when a major earthquake etc. destroys facilities?

Suppose you're flying a big plane in to an airport like Mexico City, already in final descent, when an earthquake strikes. Large cracks appear in the paved infrastructure catching some vehicles by ...
WBT's user avatar
  • 286
9 votes
2 answers
1k views

What would be the best alternative during a dead-stick approach?

(Disclaimer: I am not a pilot so my understanding of things may be really broken) If a plane has lost engine power, has limited altitude to work with, and is upwind of a landing strip, and the pilot ...
Russell Borogove's user avatar
8 votes
2 answers
3k views

During an engine failure should I deploy 10° of flap or keep it clean?

Imagine I have an engine failure in cruise flight with a Cessna 152 or 172. Should I select 10° flap to increase glide angle? Would it give me more range to reach safety?
Andrea Ghilardi's user avatar
8 votes
3 answers
3k views

Who has final say over an aircraft flight path? [duplicate]

This question got me thinking... if there was an emergency situation on a commercial airliner (let's say both engines have flamed out or something) and the pilot wants to do one thing (land in the sea)...
Cloud's user avatar
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7 votes
2 answers
5k views

How to navigate an aircraft without GPS? [duplicate]

In case of loss of GPS: how can an aircraft not only be navigated but navigated so precisely that it can pinpoint its destination airport ? (case in point: Finland and Norway are telling airline ...
summerrain's user avatar
  • 3,364
7 votes
3 answers
12k views

What is the maximum G load a 747 can withstand during an emergency course reversal?

In an emergency course reversal, passenger safety first priority, to avoid say, a column of ash from a new volcano, what it the most G a 747 can withstand with an average passenger complement?
Chris Baker's user avatar
6 votes
1 answer
3k views

Why do airlines use their own procedures instead of manufacturers'?

Why is it that airline A and airline B can have different (though similar) procedures for exactly the same operation and exactly the same aircraft? Why don't they all use the same procedure since it ...
Gabe's user avatar
  • 1,467
6 votes
1 answer
7k views

What are the checklist items for a runaway stab trim on a B737 MAX 8 and MAX 9?

This is a follow up question to this question. This question is not directly related to the MCAS system in the new B737 MAX aircraft, instead, my question is about the checklist for a runaway stab ...
Devil07's user avatar
  • 8,554
6 votes
1 answer
2k views

How is an airplane towed/recovered after an emergency off-field landing? [closed]

I understand that there may be many different scenarios and situations, and that a similar question has some answers to this, but I was wondering if there are answers with existing examples. Some ...
RaajTram's user avatar
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4 votes
2 answers
173 views

What open-loop control inputs can guarantee non-divergent descents in fixed-wing aircraft?

(Inspired by What's the best way to get through clouds when not instrument rated? which has at its heart a good question, but isn't getting good answers because everyone is jumping on the "...
Kenn Sebesta's user avatar
  • 5,092
4 votes
1 answer
683 views

co-pilot incapacitation: land alone or with a passenger-pilot?

Pilots are trained to safely fly the aircraft in case of co-pilot incapacitation: "A commercial aircraft can be landed with one pilot at the control and Delta pilots are fully trained to do so if ...
summerrain's user avatar
  • 3,364
4 votes
1 answer
1k views

Could the Olympus 593 have been windmill-restarted during supersonic flight?

The Rolls-Royce/SNECMA Olympus 593 (which powered the Concorde) used a complex intake-ramp system to improve the engine's efficiency and prevent an engine shutdown or failure during supersonic flight ...
Vikki's user avatar
  • 28.3k
3 votes
2 answers
875 views

Why is V1 based only on using brakes?

V1 is the speed that an aircraft may abort a takeoff so long as the airspeed is below it, or is committed to flight if it is over that speed. V1 calculations are based only on the brakes (not sure ...
jwzumwalt's user avatar
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