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Questions tagged [emergency-procedures]

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

5
votes
2answers
375 views

Why would one want to slow to V2 following an engine failure during takeoff?

Reading about the crash of American Airlines Flight 191, the proximate cause of the final loss of control was the pilots' reduction of the aircraft's airspeed to V2, in compliance with the published ...
4
votes
1answer
156 views

Can Ospreys land without running engines?

I just have seen a video of a demonstration of an Osprey V-22. While this is an impressive aircraft I wonder whether this might land with failing engines (with the large "propellers" probably hinder ...
-2
votes
3answers
200 views

What warning lights can one safely fly with? [on hold]

Like many people, I often either ignore or reset warning lights in my car and continue to drive without issue for months or years (usually due to dodgy sensors giving a false-positive). What warning ...
5
votes
2answers
178 views

What do you squawk when multiple conditions apply?

There are three standard transponder codes for exceptional situations: 7500 (hijacking), 7600 (radio failure), and 7700 (general emergency). Which code do you use if multiple situations apply? For ...
4
votes
4answers
174 views

Do airline pilots use speed stability to cope with unreliable airspeed indications? If not, why not?

There have been a couple of airline accidents in which unreliable airspeed indications (or the fear thereof) have played a role: Birgenair Flight 301 in 1996, where one of the pitot tubes was blocked,...
-2
votes
1answer
217 views

Is it legal to shoot down hijacked passenger aircraft in some countries? [closed]

Are there countries which post-9/11 have adopted legislation allowing the shoot-down of passenger aircraft under any circumstances ?
-5
votes
2answers
122 views

Why shoot down a passenger plane without knowing it will crash? [closed]

Flights threatened by a passenger and flights with lost coms and even flights in technical difficulty without criminal intent and not posing a security threat are sometimes intercepted and escorted by ...
0
votes
1answer
89 views

What are the differences between the two main brace positions? [duplicate]

Why are there two different brace positions (pictured below) ? (If there is a difference between the official and true reason, please state both. In many planes the reduced seating spacing does not ...
0
votes
1answer
189 views

How to increase your chances of survival in a plane crash? [closed]

More than 90% of plane crashes in recent years had survivors. In America, for example, there were 568 plane crashes between 1983 - 2000: Out of the collective 53487 people onboard, 51207 ...
3
votes
1answer
240 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 ...
1
vote
1answer
153 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 (...
0
votes
2answers
201 views

How long can ATC operate for without main power? [closed]

This question pertains to large towers at large airports. I'm assuming there is backup power in case of a power cut / power failure. But how long does a typical reserve generator / unit supply power ...
0
votes
0answers
84 views

How does a plane land without any radio connections? [duplicate]

It has been reported today that the German government plane "Konrad Adenauer", operated by the Luftwaffe, had a total loss of radio connection and diverted to Köln. That made me think the following: ...
25
votes
1answer
3k views

What to do if carbon monoxide is present?

Most small, single engine aircraft are fitted with non audible carbon monoxide detectors that turn black if it is present. Carbon monoxide can incapacitate in mere seconds (and kill in minutes) ...
1
vote
1answer
142 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 ...
3
votes
1answer
274 views

Why is a plane escorted while in technical difficulties?

In a recent incident, where the pilots of an Embraer 190 lost control and started flying erraticly in Portugal, two fighter jets started escorting the troubled plane after the emergency was declared. ...
6
votes
2answers
986 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 ...
2
votes
1answer
390 views

Where to relocate a bomb on a plane to minimize damage?

In a video blog I saw today on the net, an airline Captain said: "if a bomb is found on board in-flight, pilots are trained to relocate it someplace where it would do the least damage" without further ...
3
votes
2answers
333 views

Does the crew have a professionally mandated responsibility to inform passengers of a potentially fatal emergency?

This follows on from the question here on an incident wherein a passenger asked crew about an aberrant situation during a flight. Gathering from the answers to the question, flight crew's priority is ...
4
votes
1answer
225 views

How to advise others of imminent danger?

In a case such as United 326 - where an aircraft got cleared for takeoff while other planes at the same time get cleared to cross that runway - how would an outside party that picks up on the mistake ...
31
votes
4answers
7k 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 ...
-1
votes
1answer
304 views

What happens if an ATC tower is completely disabled? [duplicate]

What is the procedure for aircraft, if the ATC they were relying on to land, is, in some way, completely disabled? (for example there is a fire that destroys the whole building and all equipment). If ...
5
votes
3answers
314 views

What is the correct procedure in case of vertical stabilizer failure?

What is the correct procedure in case of vertical stabilizer failure in cruise? Am I correct in guessing that one should descend to a lower altitude and decrease speed?
5
votes
3answers
250 views

Why aren't passengers trained and evaluated for operating emergency exits in commercial aircraft?

The passengers sitting on the overwing exit doors are expected to operate the doors in times of emergency, with only a verbal instruction. Is that enough? Q. Why can't we have a designated area in ...
17
votes
3answers
3k 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 ...
1
vote
0answers
40 views

How does a standby ADI remain accurate when flying over the curved earth? [duplicate]

How does a standby attitude directional indicator remain accurate when flying for many hours over the curve of the earth? While maintaining level flight, wouldn’t the pilot see an apparent movement of ...
48
votes
5answers
10k views

Can a door be shut while in flight?

What is the best way to shut a door that has popped open in flight? I had a door on a Cessna 172 pop open shortly after takeoff and was unable to get it closed, but I was fortunate enough to be able ...
3
votes
1answer
459 views

Best glide speed vs. best glide angle? Maximum glide range?

I have some open questions regarding best glide in a descent: I understood, that there is a best glide speed. This best glide airspeed occurs at the highest lift-to-drag ratio (L/D). This best glide ...
1
vote
2answers
437 views

What to do when fuel is exhausted and we are denied landing by ATC?

What to do when fuel has exhausted and we are denied landing by ATC? If we were denied landing it means we are close to the runway, and thus if we are intending for a forced landing, the runway could ...
8
votes
3answers
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)...
12
votes
2answers
403 views

Is if safe/legal for an aircraft to return to cruising altitude after passenger oxygen masks have been deployed?

I was reading reports [1,2,3,4] about a recent Air China flight where one of the pilots was allegedly smoking and, in an effort to prevent the smoke circulating to the cabin, accidentally de-...
0
votes
2answers
136 views

Is communication with cabin crew or ATC included in emergency checklists?

In a serious but non-catastrophic situation on a commercial flight (for example, a single engine failure on an A320), I understand that the pilots will follow a standard checklist (from the QRH) to ...
6
votes
0answers
226 views

Why didn't NWA 85 request/receive fighter jet help with their mysterious rudder failure? [closed]

I recently watched a documentary about the Northwest Airlines Flight 85. The flight experienced a grave rudder malfunction when it was over the Bering Sea and had to turn back for an emergency landing ...
4
votes
2answers
249 views

Why are emergency-instructions by cabin crew like “heads down!” not given via PA?

I just saw a YouTube video of a landing airliner with the gear not fully extended and the cabin crew gave the instructions "Stay down! Heads down!" repeatedly to passengers but without any technical ...
0
votes
0answers
61 views

Does ATC also do blind transmission in loss of communication situation? [duplicate]

Since squawk 7600 doesn't necessarily mean that both voice-in and voice-out direction of radio communication fails, what is the ATC procedure in case an aircraft signalizes loss of communications? If ...
4
votes
1answer
229 views

What procedures are in place at London City Airport for emergencies after V1?

Given the challenging operating environment at EGLC, what procedures are in place for emergencies after V1. Is it possible to return to the airport?
4
votes
1answer
813 views

What is the A320's procedure for dual engine failure at very low altitude?

What is the procedure for a dual engine failure in an Airbus A320 (perhaps a large bird strike, since these engines only tolerate medium birds) at a very low altitude, shortly after takeoff (approx 1,...
9
votes
3answers
501 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 ...
7
votes
2answers
2k views

What is the horizontal stabilizer failure procedure?

During the final flight of Alaska Airlines Flight 261: The CVR transcript reveals the pilots' continuous attempts for the duration of the dive to regain control of the aircraft. At one point, ...
3
votes
1answer
175 views

Can the thrust reversers still be activated if the landing gear won't extend?

In the case of Boeings, I understand that the thrust reversers cannot be activated unless the landing gear is extended. However, would it still be possible to activate the thrust reversers if the ...
7
votes
5answers
532 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 ...
2
votes
2answers
329 views

Why isn't the application of “carb heat” in initial piston multi-engine failure emergency procedures?

What is the rationale for not including the application of carb heat in the initial multi-engine airplane's engine failure procedure? I've recently starting flying light multi-engine airplanes again ...
1
vote
0answers
54 views

What is the procedure after an missed approach at the destination alternate since alternate fuel does not contain a missed app. at the alternate?

I am currently studying the fuel policy planning criteria for ATPL EASA(A) and i just learnt that the alternate fuel does NOT comprise the missed approach at the alternate destination aerodrome; in ...
3
votes
2answers
383 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 ...
6
votes
2answers
1k views

Is there a minimum start altitude for autorotation landings?

If a helicopter is flying relatively low, say for sightseeing, can it still land using autorotation if required? What about if there was an issue during a routine landing? Is there any cutoff point ...
5
votes
1answer
366 views

Why are emergency water landings the majority of the pre-flight safety briefing if they're so rare?

According to an article published in the New York Daily News a few months after the "Miracle on the Hudson", when US Airways flight 1549 safely landed (watered?) on the Hudson River to the survival of ...
2
votes
1answer
207 views

What course of action to take when having to go missed during IMC and lost comms?

Under FAR Part 91 operations what course of action should a pilot take if radio communication is lost after being cleared for an instrument approach in IMC and then a missed approach becomes necessary ...
10
votes
2answers
476 views

Do commercial airlines have procedures for evacuating pets from the cabin in an emergency?

I recently got into an offsite discussion about flying with pets in the cabin and what would happen in an emergency on board. I brought up the fact that United Airlines' pet policy states, "In the ...
3
votes
2answers
297 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, procedures and checklists are mentioned and shown as a good example. What procedures were they following in that case, and ...
-2
votes
2answers
403 views

What would a pilot do if a medical emergency occurs slightly further from the destination than the nearest diversion?

Imagine a long-haul flight and that a passenger on board starts suffering from a heart attack. At that very moment, they notice that they are 3 hours away from where they came and 3.$m$ hours, such ...