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Questions tagged [accident-investigation]

Use only when final reports are released or for the process of investigating accidents. Questions inviting speculation or opinions are off-topic.

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4 votes
1 answer
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Which underwater crash sites of medium to large aircraft have been captured in sonar imagery?

For which crash sites of medium to large aircraft are sonar images available ? Scope: The crash site should already be confirmed (not speculated). For the purpose of this question, let's define "...
summerrain's user avatar
  • 3,474
6 votes
5 answers
3k views

What is a "rapid changes in gravitational force"

I've been reading an article on the BBC Website about the 21/May/2024 incident on Singapore Airlines. According to this article: "The rapid changes in G over the 4.6 seconds duration resulted in ...
Stormcloud's user avatar
3 votes
2 answers
382 views

Illegal flying - does anyone ever ask to see your license?

This video tells the story of a pilot who, according to government records: [Committed] four counts of identity theft related to his use of the victim pilot’s passport and personally identifying ...
Cloud's user avatar
  • 13.5k
0 votes
0 answers
98 views

What could have been done better in United Airlines Flight 232 when differential thrust was used?

In United Airlines Flight 232, on their DC-10, all hydraulic fluid and pressure was lost on all three systems, simultaneously. Fitch, who was a training check airman on the DC-10 was on board and ...
AlphaCentauri's user avatar
33 votes
1 answer
5k views

Will the NTSB be involved in the investigation of the crash that killed the President of Iran?

On 19 May 2024, the President of Iran died following the crash of a Bell helicopter, originally built in America. My understanding is that following the crash of an aircraft, the international ...
nick012000's user avatar
15 votes
3 answers
6k views

Can a piece of duct tape bring down a plane today (Flight 603, 1996, Perú)?

According to Wikipedia, the reason for the crash was that: adhesive tape had been accidentally left over some or all of the static ports (on the underside of the fuselage) after the aircraft was ...
Gabriel's user avatar
  • 261
3 votes
1 answer
529 views

Incidents where airline pilots recovered effectively from errors

I am training airline instructors in competency-based assessment and grading skills, and could use examples of pilot resilience where there are both good and not-so-good competencies in play. To this ...
skyatis's user avatar
  • 33
4 votes
0 answers
206 views

Could MH370 happen again today?

This month being the 10th anniversary of the tragedy that shocked the world, Malaysia Airlines Flight 370, I wonder if this could happen again today. Can I pilot of a airliner make an airplane "...
Gabe's user avatar
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6 votes
3 answers
5k views

What possible causes can there be for a crash in good weather conditions? [closed]

The preliminary report for the TNFlygirl crash says: About 1019, the airplane entered the first of a series of climbs and descents with corresponding fluctuations in its observed groundspeed. During ...
Cloud's user avatar
  • 13.5k
-2 votes
2 answers
309 views

Are accident reviews comprehensive enough?

There is lots of speculation on accident causes. How complete is the FAA / NTSB analysis of accidents in terms of detailed responses from the manufacturer and expected corrective actions that will be ...
Ernie Laitinen's user avatar
4 votes
3 answers
2k views

Do aerobatic rolls exert high G-forces on an airframe?

In an accident where a flight instructor performed multiple aerobatic manoeuvres in an uncertified aircraft, the load on the airframe caused it to break apart. I know in this accident the instructor ...
Cloud's user avatar
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1 vote
2 answers
307 views

How much wind will rip an aircraft apart?

I would like to know how to calculate how much wind would be required to rip any particular aircraft type apart. In the case of N3079M, (video breakdown here), it took some severe storms (estimated 40 ...
Cloud's user avatar
  • 13.5k
2 votes
3 answers
513 views

How do you find the center of gravity of an Anthropomorphic Test Device

In regards to the aircraft seat testing process in which the occupant's center of gravity is required, I am quite interested to know how people calculate the C.G. of an Anthropomorphic Test Device (...
SG-005's user avatar
  • 21
9 votes
3 answers
3k views

What is the best way to deal with a stuck throttle?

Recently I watched a fascinating video of Cathay flight 780. What interested me about the end of this incident is that the pilots opted to land the aircraft with the engine 1 still at 80%, over ...
Cloud's user avatar
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6 votes
2 answers
1k views

Where can I find crash information/reports based on the aircraft's Bureau Number?

I am writing a book about my military service. I was working the catapults as a final checker and the F-14 lost the shuttle and went into the sea. Both crew survived. This was with squadron VF-124 in ...
gr8dain's user avatar
  • 61
0 votes
1 answer
245 views

Could what happened to Yeti Airlines Flight 691 happen on an Airbus or Boeing?

The Yeti Airlines crash involved an ATR 72 and was likely due to pilot error - a stall resulting in an incipient spin. Would this accident be more avoidable on say a Boeing 737 or an Airbus A320?
Sam's user avatar
  • 1
5 votes
0 answers
248 views

How was the lost F35 from the Queen Elizabeth recovered?

In 2021, an F35 Lightning II from the Royal Navy carrier Queen Elizabeth crashed into the sea on take-off. It was later reported that the aircraft was recovered from a mile below the Mediterranean. ...
DrMcCleod's user avatar
  • 391
5 votes
1 answer
176 views

Has FDR data from a previous flight ever been useful in an accident investigation?

Has there ever been an accident investigation in which FDR data from a prior, seemingly uneventful flight was useful, for example by showing that a problem had begun to develop prior to the accident ...
Someone's user avatar
  • 7,097
2 votes
1 answer
225 views

What would have been the pitch angle of this McCauley Prop before impact?

I'm trying to determine the pre-impact pitch of a two blade McCauley variable pitch on a Cessna 210 that hit shallow ocean water (8 feet, mostly sand) shortly after takeoff from an altitude of 300 ...
Argonaut5's user avatar
2 votes
1 answer
765 views

Why do planes explode upon high velocity impacts?

I usually see fatal plane crashes end with a huge explosion, what causes the fuel to ignite?
boeing757_nz's user avatar
1 vote
0 answers
328 views

Was the Yeti Airlines Flight 691 crash the first time a commercial airline crash was livestreamed from a plane?

The Yeti Airlines Flight 691 crash that happened on 2023-01-15 was livestreamed by a passenger in the plane. Was the Yeti Airlines Flight 691 crash the first time a commercial airline crash was ...
Franck Dernoncourt's user avatar
0 votes
0 answers
235 views

What was the story of a serious incident with Galaxy C5 in about 1973

I am guessing it was a flight in support of the Yom Kippur War in October of 1973 that due a pitot tube failure that Galaxy C5 had to do an emergency landing on Azore with assitance from another plane ...
user2617804's user avatar
-4 votes
1 answer
505 views

What happened to the engines on takeoff here (loud popping sound then silence) [closed]

What is the cause of the sound shortly after rotation in this short video? And does anyone know what flight this was and what happened? (i.e. incident report) as I can't find any news about a fatal ...
Cloud's user avatar
  • 13.5k
-5 votes
3 answers
556 views

Were the Airbus A320 rudder hardover issues fixed after Indonesia AirAsia Flight 8501 crashed due to uncommanded rudder deflection?

Indonesia AirAsia Flight 8501 crashed when the rudder made an uncommanded deflection 2 degrees to the left: When the crew was required to fly the Airbus A320 manually, there was an unexplained nine-...
Lars Knowles's user avatar
3 votes
0 answers
505 views

Did Helios Flight 522 take off with its pressurisation mode selector in manual? [closed]

I'm currently doing a write up on the Helios Flight 522 disaster. Full disclosure, this is a journalistic piece, and I'm not an aviation expert. I'm many hours in at this point and most of it so far ...
Nick Bird's user avatar
1 vote
1 answer
294 views

Kinetic energy to perforate skin/fuselage of aircraft

I know that most aircraft have skins that are either aluminum or an aluminum alloy variant. I'm trying to figure out the minimal amount of kinetic energy that would be required for a projectile to ...
Hannah Sanders's user avatar
0 votes
2 answers
2k views

Could the pilots really not trim manually to overcome MCAS, as shown in the Netflix Downfall documentary?

In the recent Netflix documentary, a claim is made that once MCAS activated, after several activations, the pilots physically could not trim the aircraft due to the speed and pitch. Is this true? I ...
Cloud's user avatar
  • 13.5k
2 votes
1 answer
276 views

Why did the NTSB issue a full report for this accident?

The NTSB issued a full aircraft accident report https://libraryonline.erau.edu/online-full-text/ntsb/aircraft-accident-reports/AAR73-10.pdf for what seems to me to be a small general aviation crash. ...
PlaneFan's user avatar
9 votes
2 answers
3k views

What caused this crash landing?

Watching this video, my attention was triggered by the quite firm right rudder deflection, just before the right wing stalls. There's no information about what ...
user avatar
10 votes
2 answers
5k views

Did commercial air planes in 1972 really not have some sort of automatic distress call equipment?

I've recently watched the 1993 movie Alive, "based on" the real events of Uruguayan Air Force Flight 571. I don't know how accurate it was, but the basic idea is that the pilots did a ...
Laubinger's user avatar
  • 109
2 votes
1 answer
475 views

Have there been any fatal accidents involving a transatlantic flight since AF447?

I'm trying to confirm there has been no commercial airline transatlantic flight accident (with fatalities) since AF447 in 2009. This would include any flight that crossed the Atlantic ocean, even if ...
Cloud's user avatar
  • 13.5k
0 votes
2 answers
229 views

Airplane accidents that happen during take off and landing [closed]

I have just seen some documentary about Munich Air Disaster in 1958. I found that the real reason behind this disaster is related to the aircraft performance with the thick snow runway during take off....
John Enrique's user avatar
3 votes
1 answer
732 views

Why it was thought that 25% of the passengers could have survived the Crash in the Desert?

I read on Wikipedia: The Controlled Impact Demonstration (or colloquially the Crash In the Desert) was a joint project between NASA and the Federal Aviation Administration (FAA) that intentionally ...
Deschele Schilder's user avatar
4 votes
1 answer
545 views

Why did the Soviets not make radio contact with Korean 007?

I was reading recently about the shootdown of Korean 007 and it is clear that it was very tense times between the American and Soviet governments. The one point which struck me as weird throught the ...
Jamiec's user avatar
  • 33.7k
10 votes
1 answer
2k views

How do witness marks on propeller blades provide data on estimated blade angles at the time of impact?

In the NTSB Powerplant Group Chairman Factual Report for the 2014 crash of the King Air B200 in Wichita Kansas (NTSB# CEN15FA034), I read: "Neither propeller was feathered before impact. Both ...
BtureP's user avatar
  • 755
13 votes
1 answer
535 views

Has a passenger's consumer electronic device ever actually caused a crash?

Most of us are familiar with the standard warnings and regulations against passengers using electronic devices (at all during takeoff and landing, and in some cases throughout the flight). This is ...
Robert Columbia's user avatar
6 votes
2 answers
533 views

Have attitude indicators ever had triple failure in a commercial aircraft?

I'm wondering about couple of well known crashes (mainly AF447 and AirAsia 8501) and thinking: is there any case where triple redundant attitude sensor failure has ever occurred? In those accidents it ...
Mikko Rantalainen's user avatar
0 votes
1 answer
961 views

How can a pilot involved in serious accident remain unknown?

Somewhat similar to this question. A short part from Wikipedia article about Emirates Flight 521 (emphasis mine): The captain was an unnamed 34-year-old UAE national who had been with Emirates since ...
trejder's user avatar
  • 4,162
5 votes
3 answers
2k views

Why are manufacturers assumed to be responsible in case of a crash?

I attended at a training concerning airborne software and the coach remarked that despite at the normal courts, when an aircraft crashes and the authority investigates, a manufacturer is guilty for ...
cyberdyne's user avatar
  • 181
0 votes
1 answer
111 views

Are there any characteristics of a hypoxic flight? [closed]

Any patterns that investigators look for? For example, what happens when the engine flames out? is it guaranteed to enter a high speed dive? And would this affect certain parts of the aircraft, ...
George Clooney In a Mooney's user avatar
1 vote
2 answers
206 views

What is MCAS' purpose? [duplicate]

In a recent question, one of the answers states: MCAS has nothing whatsoever to do with stall recovery or stall behaviour. It was implemented strictly to make the MAX's pitch stick force response in ...
Cloud's user avatar
  • 13.5k
4 votes
1 answer
999 views

Is there a reason that commercial jets do not have a “dead man’s switch”?

Following high-profile cases of disappearances such as MH370, as well as the lower-profile but no doubt common radar infringement and level / airspace busts that we don’t hear about often, is there a ...
Harvey's user avatar
  • 143
2 votes
2 answers
2k views

How far along was JFK Jr. in his instrument training?

I read up a little more about the infamous and tragic incident. JFK Jr. had over 300 hours logged, and about 36 in the Saratoga, half of which was solo. It's not like he was a newly minted VFR pilot ...
saigafreak's user avatar
4 votes
2 answers
578 views

What would happen if a hot air ballooon was punctured in mid-air?

I am writing a script for a film where a hot air balloon is punctured and it falls to the ground. There are two teenagers in the balloon when it is in the air. What I would like to know is how fast ...
Katherine's user avatar
1 vote
0 answers
36 views

What is the maximal delay between the publication of an investigation report recomending a study and the beginning of this study?

This question is focused on EASA regulations, mainly because the question arise when reading an investigation report written by the BEA. Investigation reports results in lots of recommendations to ...
Manu H's user avatar
  • 16.5k
1 vote
2 answers
449 views

What caused the Belgian aircraft mechanic who stole an F-16 to crash? [closed]

This is the story, from the late 80s: https://apnews.com/3b2ba1c5735b3817a3e7ae3562780e9b Why did he crash? Why would anyone crash in this scenario? I'd like to ideally hear from someone who is ...
AlphaCentauri's user avatar
0 votes
1 answer
130 views

ETH 409: Was the most obvious sign of fatigue being a factor due to one of the pilots calling out “go around” when they were climbing after T/O? [closed]

One of the pilots yelled out “go around” x6. It looks like they were making a right turn when they should have been making a left turn. The controller informed them for the second time to turn left, ...
George Clooney In a Mooney's user avatar
1 vote
2 answers
1k 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 ...
George Clooney In a Mooney's user avatar
5 votes
1 answer
449 views

Is there a typical time on site during an investigation of a major accident?

An answer to the question Why does it take months, sometimes years, for the BEA and NTSB to complete aviation accident investigations? said, Visiting the Site - First there will be a team that ...
Bob516's user avatar
  • 407
32 votes
6 answers
13k views

Has any accident been prevented by bending or breaking the rules?

I wonder if there is an incident that pilots saved the plane or minimized the damage by bending or breaking the rules like Sully? (As it's known Sullenberger started the APU at first which was the ...
Hakan's user avatar
  • 351