Questions tagged [safety]

Safety includes all aspects of protecting aircraft, passengers and crew from accidents, mistakes and other potentially dangerous situations.

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48
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3answers
26k views

What is the technique or procedure to disable/disengage the MCAS on Boeing 737 Max 8 & 9 Aircraft? [closed]

With regard to the recent crashes involving the Boeing 737 Max 8 aircraft, where according to preliminary reports, it appears to be related to the MCAS, which is a safety system that pushes the nose ...
0
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0answers
18 views

Comparing Argus, Wyvern, and IS-BAO

I'm interested in how Part 135 operators pilots, ops directors, etc., view the Argus, Wyvern, and IS-BAO ratings - and how you view the differences in tiers - Platinum, Gold +, Gold, Wingman, ...
19
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5answers
4k views

Are planes allowed to fly in circles, and is there a minimum legal altitude for takeoff and landing?

I live near a small, possibly private, airport. Every day there are small planes flying low over the neighborhood in circles for over half an hour. They appear to just be flying for recreational ...
13
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2answers
4k views

How can pilots differentiate runways and taxiways during landing?

There have been many incidents where pilots landed or attempted to land the aircraft on a wrong surface (for example Continental 1883 and Air Canada 759). Are there any tips for pilots to avoid that? ...
3
votes
3answers
2k views

Which is safer? The Piper Tomahawk or the Cessna 152?

I have booked my first flying lesson for 2 weeks time, in my first step to obtain a PPL or LAPL. I had done all of my research on the Cessna family, assuming that is what I would learn in. I was ...
12
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3answers
534 views

Are there benefits to opening a flight plan if I'm flying over populated areas?

Here in Idaho we have a lot of mountains and desert areas where if I had to make an emergency landing or crashed it may take a very long time to find me. In that case I can see the benefit to opening ...
2
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1answer
79 views

What is meant by these criteria for a stabilized approach? [closed]

Based on regulation, there are several criteria for when an approach is stabilized. I want to ask: Only small changes in heading/pitch. How small? The aircraft is in correct landing configuration. ...
12
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3answers
2k views

Could the GPS be used to aid the autopilot with speed?

In the AF447 incident, the autopilot system was offline due to the aircraft's pitot tubes being obstructed by ice particles. Since the physical condition of the plane in air is cold and risky, the ...
12
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1answer
211 views

What year did the seat belt sign come in to use?

What year did commercial airlines start using a lighted seat belt sign?
6
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2answers
2k views

Which fighter jet is the safest outside of combat?

I've heard that the Bloodhound SSC project decided to use a Eurofighter engine, because this was "safe". This got me wondering if there are any numbers on which fighter jets are safest. Something like ...
0
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2answers
201 views

Does the payload of an ICBM or regular airplane bomber explode if the ICBM or bomber is shot down?

As the top says, does the payload of an ICBM or regular airplane bomber (please excuse my ignorance) explode if the ICBM or bomber is shot down? So, say a defense laser in space (yes, I know; this is ...
20
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2answers
3k views

Would deploying the Space Shuttle's landing gear early have improved safety? [duplicate]

Due to the space shuttle orbiter’s high weight (potentially up to 110 tonnes [121 short tons] in certain abort scenarios, although nominally around 85 tonnes [94 short tons]) and abysmal subsonic ...
0
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2answers
151 views

Was flying a helicopter below building height against FAA regulations? [duplicate]

I'm referring to this incident: https://twitter.com/Dacheslow/status/1267638389421072384 Some people were saying it was illegal under FAA rules to fly that low and close to a crowd, and also to use a ...
22
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4answers
2k views

What scientific evidence is there about the effectiveness of pre-flight walk-arounds?

As a student pilot, often on my walk-around, I get the impression that there are any number of hazards that could pass me by, simply because I can look at every part on the checklist but I wouldn't ...
27
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4answers
19k views

What is the maximum safe bank angle of a 747?

This question arose during the comments of another question, linked for the curious: What does it take to turn a 747 around 180 degrees? Because the discussion was interesting, (and to avoid ...
23
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3answers
2k views

Do (or can) pilots observe religious fasts when flying?

This question is about religious fasts like the Muslim Ramadan and others. Is there a civil aviation regulation about this? Must a pilot eat and drink by the regulations (or abstain from flying), or ...
7
votes
1answer
5k views

What qualifies as “overwater”?

I noticed that the saftey cards on a recent domestic US flight were the "overwater" version. Two questions about this: What qualifies as "overwater"? Is there an official (i.e., FAA) definition? Do ...
1
vote
1answer
197 views

Does the jet blast from a large aircraft pose any risk for other aircraft nearby?

We know that the jet blast of jetliners - A320, B737 and bigger - are dangerous for people passing by, airport vehicles and even small planes, and we must always maintain a huge distance to avoid ...
10
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5answers
1k views

How can cargo be jettisoned from a C-124 in flight?

I was reading about a C-124 that was carrying three nuclear weapons over the Atlantic, and developed engine trouble. The article said that two of the weapons were jettisoned into the ocean for safety ...
24
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3answers
3k views

Is it recommended to get a life raft for short overwater operations?

I'd like to fly to Santa Catalina Island (AVX) from the mainland around Los Angeles. There is a portion of this overwater flight where my Cessna 172 will be beyond gliding distance from land. I know ...
8
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1answer
1k views

Could a landing gear jettison mechanism be practical when ditching?

Reading this answer about GA aircraft ditching, I wondered if, considering conventional fixed landing gear aircraft (taildraggers) which often operate overwater, having the ability to jettison the ...
16
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5answers
2k views

Why don't both black boxes hold the same data?

As I understand, there are two black boxes on-board an aircraft. One black box, the Cockpit Voice Recorder holds the cockpit conversations and the other, the Flight Data Recorder holds essential ...
4
votes
1answer
227 views

How should ground crews act to safely extinguish an airliner's brake unit fire?

When the brake unit was overheated and had just begun to catch fire due to excessive braking because of long taxi distance upon arrival, the ground personnel (not firefighters) made the first ...
2
votes
3answers
437 views

Who activates the fasten seat belt warning on commercial flights?

Who activates (and de-activates) the "fasten seat belt" warning on commercial flights? I would guess it is either the pilot in command (normally the captain) or the first officer (co-pilot). If the ...
2
votes
1answer
261 views

Why isn't cabin air quality in airliners directly monitored with sensors?

Airliner air conditioning systems refresh the cabin air volume every couple of minutes. A portion of it is filtered and re-circulated into the cabin, however AFAIK there are no direct cabin air ...
1
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0answers
66 views

Why is crushable-block EMAS the only overrunning-aircraft-stopping system in wide civilian use?

Because runway overruns often end badly, and many runway ends (especially older ones) don’t have enough clear space available beyond the runway end for a full-size runway safety area (RSA), EMAS has ...
0
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2answers
216 views

What prevents the use of an EMAS along the sides of a runway?

The NTSB report about the crash of American Airlines Flight 1420 discusses whether an EMAS would have mitigated the severity of the accident, but concludes, based on testimony from a representative of ...
2
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0answers
136 views

Why do so few non-US runways have EMAS beds?

As occurrences of an aircraft running off the end of the runway and hitting things tend to leave both the aircraft and whatever it hits rather the worse for wear, much effort over the years has gone ...
24
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2answers
6k views

Is it true that cockpit doors are bulletproof?

I read about 9/11 and read somewhere that after 9/11 all aircraft cockpit doors were replaced with bulletproof ones. Is this true?
2
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0answers
48 views

Why does an A300/310 in LAND or GO-AROUND mode have to be at least 400 feet AGL for manual control column movement to disengage the autopilot?

Each of the A300/310’s two autopilots has two modes of operation: In CWS (Control-Wheel_Steering) mode, the autopilot(s) attempt to hold the attitude that the aircraft had at the moment of autopilot ...
23
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6answers
6k views

What is the difference between a flow and a checklist?

Use of checklists is a 'special emphasis area' during FAA private and commercial checkrides but there are a lot of comments in pilot forums about using flows instead, often - but not always - in the ...
12
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3answers
8k views

What's the right way to take a dog in a small plane?

I would like to take my friend and his dog for a flight. What's the safest way to take the dog? and what's a good way to protect the dog's hearing?
34
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7answers
9k views

How do pilots stay disciplined and use checklists, even after they have become routine?

I originally asked the same question on Space Exploration but will repeat it also here: Before every takeoff and every landing, there are several routine checks which need to be done in order to ...
49
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6answers
17k views

How dangerous was the turbulence on this commercial flight?

EDIT: Having read these great answers I feel a little ashamed for the fear I felt on this recent flight. However, judging by my reaction to the experience and the reaction of those around me on the ...
1
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0answers
115 views

Are there regulations about carrying cargo on passenger seats?

We see that passenger aircraft have recently made cargo flights so that the supply chain does not decrease due to the Covid-19 crisis. It is seen that the cargo boxes are loaded on the passenger ...
1
vote
1answer
142 views

Why don’t flying-boom tankers have collapsible/frangible/breakaway refuelling booms?

There are two main types of aerial-refuelling systems in use today: Probe-and-drogue systems reel out a hose behind the tanker, terminating with a soft conical canvas bucket; the pilot of the ...
1
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0answers
43 views

How big does an object in one of the ILS critical areas have to be to cause a problem?

ILS installations have a critical area extending some distance back from the glideslope antenna (primarily due to most glideslope transmitters’ needing to bounce one of their two beams off the ground ...
4
votes
2answers
996 views

When is Minimum Safe Altitude Warning triggered?

I know that Minimum safe altitude warning (MSAW) alerts ATC and pilots if an airplane is under the risk of controlled flight into terrain. But when is this alarm triggered? What is the minimum ...
35
votes
6answers
8k views

Why can't the A320's computer-imposed limits be overridden?

Under the investigation section of US Airways Flight 1549, it is noted that [The pilot] asserted that insufficient credit was given to the A320's fly-by-wire design, by which the pilot uses a side-...
26
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3answers
13k views

Why is this airplane flying in circles randomly?

This G650 has been flying around for over an hour now. Is this somebody with a mechanical problem who is burning fuel before returning to their airport of origin?
2
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1answer
272 views

How do acrobatic pilots avoid pulling too many G’s and passing out?

I just watched a video of a acrobatic pilot doing stunts, it involved a type of stall, not sure which one though. Long story short he overcompensated(?) which caused him to pass out, and then he ...
0
votes
1answer
24 views

Could any complications arise if the two FMCs are using different OPS programmes, i.e U10.7 and U10.8A? [closed]

B737-300 FMCs ARE OF SMITH INDUSTRIES 2907a4/10-6225-003
11
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3answers
3k views

What is the requirement of a higher glidepath/approach angle and is this a flight safety issue?

To reduce noise in the London urban area, Heathrow airport has announced plans to trial a steeper approach for aircraft landing - changing from 3 to 3.2 degrees. If this is successful, they will ...
0
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1answer
141 views

Why are non-essential passenger flights still being flown? [closed]

I'm not asking about essential passenger flights like for "like food, supplies, and flying medical workers. Oughtn't non-essential passenger flights have been shut down in North America, to curb the ...
14
votes
1answer
563 views

Is medical evacuation aircraft D-AIGZ “Robert Koch” protected against decompression?

In 2014, Lufthansa engineers converted a A340 into a medical evacuation aircraft specially equipped to carry contagious patients, e.g. with Ebola fever (D-AIGZ, "Robert Koch", msn 347). This aircraft ...
7
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1answer
6k views

In what circumstances do passengers or flight attendants have to take their shoes off?

Three shoes-related facts: A passenger and a flight attendant in this Аэрофлот/Aeroflot aircraft have their shoes off or are ready to take them off: It's suggested that shoes are taken off for ...
7
votes
3answers
652 views

Were my airplane's wheels under-inflated?

I recently took a flight on a (Lufthansa) Bombardier CRJ900 aircraft. As I was about to embark, my eyes caught this image: And the aircraft wasn't even loaded with the passengers yet. If I saw this ...
-1
votes
2answers
228 views

Can a civilian helicopter regularly fly low & close to houses? [closed]

There is a helicopter which regularly (1 to 5Xs a month) at night or day flies very low & fast, has flown over a vehicle, playing a chasing game down neighbor's driveway and down the road. Who can ...
1
vote
2answers
225 views

What are some examples of pilot error with criminal negligence?

I’m having a hard time understanding why pilot error technically can’t be criminal negligence all the time? So I’m curious to find out some examples of this exact scenario, and how investigators ...
18
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4answers
36k views

Is flying during the day safer than flying at night?

Is there any correlation between night or day flight time and rate of accidents? To me it seems that there should not be a difference. If an airplane needs to execute an emergency landing, it has to ...

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