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Questions tagged [accidents]

For questions relating to aviation accidents, or the avoidance thereof.

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0answers
142 views

Was the colliding object in the Guadalajara accident ever identified?

In December, four months ago, a 737 landing in Guadalajara apparently hit an object and damaged its nose. At the time it was suggested that it might have been a small drone. Has the object been ...
1
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1answer
225 views

How much data is stored in the flight data recorder per hour in a typical flight of an A380?

One drawback or impediment to the storage of flight recorder data on the cloud is the amount of data that'd be transmitted and at cost. How much data in GB or TB is stored in the flight data recorder ...
3
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1answer
132 views

Do aircraft engineers take into consideration engine placement to avoid ground strikes in a cross-wind landing?

On a multi-engine airplane with wing-mounted engines, do aircraft designers have a standard way of ensuring that the banked landings associated with cross-wind's do not cause a prop or engine-housing ...
8
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1answer
662 views

Are there more accidents in winter months, and if so, why?

I was watching The Flight Channel videos and have noticed that the accidents seem to happen more often in winter months (for the Northern Hemisphere). Are there some statistics to back this claim? It ...
0
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2answers
728 views

Why is it the ATC recording of Ethiopian Airlines Flight 302 is not yet available online?

I understand sites like liveatc.net constantly stream the conversation between the ATC and pilots. Why is it that there's no such recording for Ethiopian Airlines Flight 302 yet?
18
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3answers
10k views

Why would a jet engine that runs at temps excess of 2000°C burn when it crashes?

Airline engines are designed to work at very high temperatures. Yet, when a plane crashes they're burnt (see below). Is it something in their design? (bostonherald.com)
1
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1answer
234 views

Was the 1992 Gimli DHC-4 Caribou accident ever investigated?

On August 27, 1992, 3 people were killed when a de Havilland Canada DHC-4 Caribou crashed immediately after takeoff at Gimli Industrial Park Airport. Wikipedia describes the accident as follows: ...
2
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0answers
114 views

Are there any known cases of swing-nose or swing-tail cargo aircraft coming undone in flight?

Large dedicated cargo aircraft frequently (though not always) have swing-nose (Super Guppy) or swing-tail (Dreamlifter, CL-44) designs, in order to allow cargo to be shoved straight in rather than ...
20
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3answers
5k views

Does the ditching switch allow an A320 to float indefinitely?

I watched a documentary yesterday about the Hudson River ditching of US Airways Flight 1549. In the documentary, one of the investigators explained that the reason the water was entering so quickly ...
0
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3answers
737 views

Why is this video of a G36 Bonanza taking off so scary?

Why is this video of a G36 Bonanza so 'scary'? If they had clipped the top of the trees, would it really have brought the plane down? (And even if yes, it looks pretty ...
7
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1answer
4k views

Why doesn't a full yoke deflection also change the stabilizer trim on the Boeing 737 MAX?

Various websites have stated that during the 737-MAX crash in Indonesia, the pilots could not pitch up because of a faulty AOA sensor pitching the plane down. The stabilizer has a rear fulcrum and ...
4
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1answer
234 views

Has turbulence ever killed a passenger?

The question is on my mind, because many passengers think there is no need to wear the seatbelt when the seatbelt sign is not illuminated.
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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 ...
4
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0answers
177 views

What is the longest time after which plane crash survivors were rescued?

I found: Aviator Bob Gauchie detains the record for solo arctic survival by a downed airman, enduring 58 days of arctic weather before his rescue in Canada 1967. After 72 days on the glacier, 16 of ...
0
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2answers
146 views

What's the exact moment were the spoilers are supposed to be deployed on a A320?

Are they deployed when the levers are pulled back to 'IDLE' or only when pulled back to 'Reverse'? I still can't figure out, 12 years after, why flight TAM JJ3054 crashed into a gas station and a ...
8
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1answer
277 views

Are there countries where not all plane crashes are investigated (even if deadly)?

background information I was struck by the news of this deadly plane crash on 20 Dec 2018 which claimed 8 lives and apparently is not investigated as the plane and its potential survivors were not ...
2
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2answers
170 views

Can pilots turn off warning alarms? Re: Aeroperu Flight 603

I just watched the Mayday S1E4 episode concerning Aeroperu Flight 603. Gut wretching to see the pilots in that situation. On listening to the recording tape, alarms were blaring constantly, some for ...
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0answers
155 views

Where can I find official information about a recent crash in Mexico?

I have heard about a helicopter crash involving an Agusta A 109 in Mexico, that seems to be causing some turmoil due to the deaths of a newly-elected governor and her husband. Is there any info about ...
43
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4answers
6k views

Can ATC handle a flight as emergency although the pilots have not declared an emergency?

The preliminary report for the LNI610 crash shows how much distractive conversation there was between ATC and LIN610 at a time when the pilots clearly didn't have the aircraft under control – as ...
7
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3answers
482 views

How to find black boxes underwater absent any pinger signals?

If CVR/FDR cannot be seen visually on the seafloor (because covered by a thick layer of mud/sediments) and no pinger signals are detected, how can they be found? Metal detectors? Any other methods? ...
0
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1answer
311 views

How to refute this geometrical method to find MH370? [closed]

A geometrical method to find MH370 has been published on the Net (see images below). I am sure it is wrong (because if it were that easy, thousands of people would have had this idea back in 2014). ...
0
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1answer
322 views

Why aren't cockpits airtight?

There are accidents where the pilots couldn't see the instruments and literally flew the aircraft blindly due to the excessive smoke in the cockpit, ranging from UPS Flight 6 to other accidents. ...
2
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2answers
346 views

Could a 30 knot direct crosswind make a Learjet roll over 90 degrees?

Could a 30 knot direct crosswind really make a Learjet roll over 90 degrees? A recent incident has prompted this question, but it's not explicitly about that incident (with its ongoing investigation)...
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2answers
3k views

Is there an abnormal condition that could have caused this fatal accident involving a stall?

In 2009, a Grob 103 glider stalled and crashed at Richmond Field, Michigan, killing the passenger but not the pilot. (NTSB accident report: CEN09LA353) The accident occurred after a failed winch ...
7
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2answers
1k views

What has Airbus done to address the dual input issue?

There have been a couple of fatal incidents involving Airbus aircraft, namely Indonesia AirAsia Flight 8501 and Air France Flight 447, that could have been prevented had the captains orders / input ...
8
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3answers
574 views

Why would a pilot on final to a towered airport not speak up when ATC clears another aircraft to land on the same runway, without mentioning them?

Every time I watch AOPA's Accident Case Study video Communication Breakdown, I'm left wondering. Here's an aircraft (in this case, '1DA) on final approach for landing on a towered airport, when ...
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1answer
133 views

Why does elevator dropdown occur in some loss-of-flight-controls accidents, but not others?

In some instances of an aircraft suffering a catastrophic failure of its primary flight controls, the loss of control force on the elevator allows said elevator to drop down under its own weight, ...
5
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3answers
477 views

Is there (some form of) penetration testing in aviation?

I just listened to the first Miles to go podcast about a near miss at SFO where an Air Canada flight nearly landed on a taxiway where 4 aircrafts were waiting to take off. The incoming Air Canada ...
22
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3answers
2k views

Can this aircraft wreckage be identified?

I live in Salinas (central coast California) and there’s an old plane wreck (located within the boundaries of Toro Park County Park in a remote section). On a hike yesterday, we located and took some ...
3
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2answers
381 views

Has a scheduled passenger flight ever stalled because of shifting cargo?

Has any scheduled commercial passenger - not cargo - flight ever experienced a stall due to cargo shifting, like the National Airlines Flight 102 did, back in 2013? Please note I am specifically ...
5
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1answer
206 views

Who is the woman that famously survived a light-plane crash in the arctic in the 1950s?

As a kid I read a book by a woman who crashed in the Canadian arctic and, along with the pilot, walked their way out of the bush. She lost some toes (and fingers?) to frostbite, but was otherwise OK. ...
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3answers
234 views

What is the autorotative rate of descent for a Bell 47-H?

I would like to estimate the amount of time a pilot would have before a forced landing after suffering engine failure in a Bell 47-H at 1,000ft. This is for purposes of understanding a historical ...
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2answers
224 views

Did Southwest airlines retire flight 1380 following the accident, and with what number?

Just wondering if Southwest Airlines flight 1380 was retired and replaced with a different flight number following the uncontained engine failure and depressurization accident in April 2018?
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1answer
130 views

What are heat detection sensors and how can they cause a speed error?

From this news article on Saratov Airlines Flight 703: A report handed down by Russian investigators has blamed human error for the crash of Saratov flight 703, saying the pilots didn’t switch on ...
1
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1answer
182 views

Are there any airliner crashes that can be definitively attributed to Mach tuck?

Mach tuck (the tendency of aircraft to develop an increasingly nose-down pitching moment at speeds above its critical mach number) caused a number of crashes of high-speed fighter aircraft before the ...
8
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2answers
332 views

Has there ever been an uncommanded lowering of landing gear?

Has there ever been an uncommanded lowering of the landing gear on a large commercial jet? I could not find any instance of it in a preliminary google search. Could a simple short-circuit cause such a ...
4
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1answer
434 views

What is the fluid released from the tail of this clipped Turkish airliner?

A Turkish A321 airliner was hit by an Asiana A330 on 13 May 2018 at Istanbul Airport. It seems a large amount of fluid was released from the damaged section. What is the fluid? There is no APU up ...
2
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3answers
436 views

Why not increase the number of Flight Data Recorders and add jettisoning capability?

With some Flight Data Recorders gone unrecoverable during crashes , what's the argument for not changing their locations, like wings or engines? Given their utility after accidents, why not increase ...
2
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1answer
886 views

How fast can a large passenger jet descend and slow from cruise to emergency land? [duplicate]

On 17th April 2018, Southwest 1380, a Boeing 737-700, was cruising about FL320 when it suffered a catastrophic failure to engine 1. It then took 5 minutes to descend to 10,000 feet, and I noted from ...
7
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1answer
373 views

Are engine casings expected to contain turbofan blade fragments?

On Southwest 1380, initial indications are that a fragment of the engine blade pierced the engine casing, which then hit the airplane window (or perhaps a part of the casing did). According to the BBC,...
0
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1answer
277 views

Is a pilot responsible for CTAF announcements in this scenario? [closed]

A Cessna 525 Citation Jet is coming in to land and a single-engine Cessna 150 is taking off at a small airport with no ATC. The Cessna 150 stays in continued radio contact and the Cessna 525 Citation ...
0
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1answer
285 views

How can I use a window for an emergency exit?

A survivor of US-Bangla Airlines Flight 211 crash reports exiting out of a broken window. My question is, in case you need to break an airplane window, what is the best way to do that?
9
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2answers
2k views

Can regular emergency exits not work after crashlanding?

Live accounts of survivors of Bangla Air 211 mention getting out after breaking windows but not out of the emergency exits. My question is can regular airline exits not work in such cases?
25
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2answers
3k views

How exactly can an airship lose lift?

On this wiki page (under 'Comparison with heavier-than-air aircraft'), the altitude record of the L-55 Airship states: The ultimate altitude record for a rigid airship was set in 1917 by the L-55 ...
5
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1answer
220 views

Did Hamilton Sundstrand Corporation fix this GPWS problem?

So I was reading about Garuda Indonesia Flight 152 and one of the reason it crashed was for a GPWS malfunction. Here is the Wikipedia article about the crash and GPWS: Garuda Indonesia Flight 152 ...
13
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5answers
4k views

Why would a plane descend rapidly in uncontrolled manner after a steep turn?

Here's some footage from 2010 Red Bull Air Race. At 0:17 the plane is passing through a gate and then makes a steep turn to the left and that requires the plane to have left wing pointing almost ...
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2answers
4k views

How do helicopters avoid colliding?

When helicopters fly over a city, how do they avoid colliding with each other? For example, after a shooting or accident, both police and news helicopters could head to the same spot.
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1answer
63 views

Any script to plot multi axis FDR / flight-test data (such as the ones used in air crash investigation)?

I am looking for a script or tool to create flight test and/or FDR plots with several vertical axis, such as the ones used in aircraft accident investigations. Does anyone have any hint on a MATLAB ...
12
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1answer
360 views

If a pilot's plane suddenly and unintentionally becomes inverted, what is the pilot's best course of action?

If a plane was suddenly inverted through no action of the pilot, say wake turbulence from a much large plane (think 747 vs. Learjet), should the pilot first try to right the plane or get the nose ...
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1answer
141 views

If an accident were to occur at a cross-border airport, who would investigate?

In the Wikipedia article Canada–United States border, there are several airports mentioned where the airport straddles the US-Canada border, in some cases the runway even being partially in the United ...