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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.

1
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1answer
157 views

What were the Concorde's emergency procedures for an uncommanded droop-nose extension in flight?

The Concorde had a droop nose, which swung down during taxi, takeoff, and (especially) landing, so that the pilots could see where they were going without the long nose getting in the way. During ...
3
votes
1answer
130 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 ...
5
votes
3answers
922 views

Nose gear failure in single prop aircraft: belly landing or nose landing?

Let's say we are flying a single prop airplane with tricycle format retractable gear, such as a Mooney Bravo or a Piper Comache. The nose gear fails mid-flight and is unable to be lowered. Is it safer ...
1
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0answers
60 views

Would throttle steering of a forward-swept-winged aircraft be possible?

Fortunately (or perhaps unfortunately, given the number of crashes that had to occur for us to figure it out), the use of throttle manipulation to control an airliner with disabled primary flight ...
1
vote
1answer
214 views

Why can't the 737 MAX's horizontal stabilizer autotrim be cut out by control yoke inputs?

According to this article, a horizontal stabilizer runaway on the 737 MAX, unlike with all other 737s, cannot be countered with yoke inputs: Older 737s had another way of addressing certain ...
8
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1answer
276 views

In what emergency situations would a pilot bail out of a helicopter?

The Hiller UH-12 POH actually mentions “Emergency Exit in Flight” as an emergency procedure. What emergencies would make the pilot do this and why don’t other helicopter POH’s mention this?
5
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1answer
2k 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 ...
0
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1answer
246 views

Is the in flight emergency manual of a Boeing 737 Max 8 available to read online? [closed]

I frequently read about pilots going through manuals/checklists/procedures in an emergency situation in an airliner while in flight. Is there an online resource where the public can actually read it, ...
26
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2answers
7k 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 ...
17
votes
1answer
5k views

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 ...
0
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0answers
50 views

Landing on water when gear couldn't be deployed [duplicate]

Would any airplane that couldn't get its gear down prefer a water belly landing instead of a land belly landing on an airport?
2
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1answer
88 views

During multiengine training, are pilots taught how to use the throttles for control?

The use of a multiengine aircraft’s throttles for steering and pitch control is critically important should the aircraft’s primary flight controls fail or severely malfunction; are pilots nowadays ...
5
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2answers
496 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
194 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
232 views

What warning lights can one safely fly with? [closed]

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 ...
7
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2answers
362 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 ...
5
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4answers
191 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
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1answer
322 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 ?
-4
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2answers
146 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
107 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
268 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
272 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 ...
9
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3answers
1k 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
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2answers
208 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
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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
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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
292 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
301 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
1k 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
405 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
345 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
229 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
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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
317 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
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3answers
349 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
297 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
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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 ...
0
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0answers
43 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
683 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
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2answers
466 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
427 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
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2answers
152 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
332 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
258 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
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0answers
83 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
259 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?
3
votes
1answer
1k 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,...
10
votes
3answers
604 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 ...