China- Chinese airliner, Boeing 737, carrying 132 people crashes in southern China, 21 March 2022

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Flight 5735 news pilot may have regained consciousness before crash | World | News | Express.co.uk
rbbm.
''Analysing the data from the flight, aviation expert Sally Gethin suggests that passengers must have been knocked out by the g-force during the vertical fall of the plane.
However, she says that the route that the plane took indicates that one or more of the pilots might have regained consciousness and tried to save the plane in the last few seconds''

''There was a brief ascent in altitude at about 8,000 feet, which indicates a “10 to 20-second spell where one or more of the pilots regained consciousness and tried to save the plane," Gethin told the Sun.''
''Although Ms Gethin noted that all the people on board would have been unconscious at the time of the crash.''

''Reports say that there were three pilots on the plane, two of which were very experienced, while the third one was a trainee.''

China Eastern Airlines Flight MU5735: air safety experts study video and flight data in search of crash clues | The Star
''The first thing accident investigators are going to have to determine is: was the aircraft all in one piece when it hit the ground, or did something fall off the aeroplane before it hit the ground?” said Juan Browne, a Boeing 777 pilot and popular aviation vlogger who analyses air incidents. “The video data to me suggests that the aircraft was in one piece.”

It is “extremely rare” for an aircraft to end up in that near-vertical attitude, said Browne.
Jean-Paul Troadec, a former director of the French Bureau of Enquiry and Analysis for Civil Aviation Safety, told Agence France-Presse that data was “very unusual”, but stressed that it was “far too early” to draw conclusions.''

''As investigators examined the wreckage, they would be particularly focused on the “trim” setting on the aircraft’s elevator, the moving surfaces at the rear of the plane that control the pitch of its nose, said Browne.
Trim refers to the mechanism that keeps the elevator in a certain position without the need for sustained pilot input.''
 
I hope they can find the black box..
No survivors found in China Boeing 737-800 plane crash; black box search may be difficult (msn.com)
''According to Xinhua, the search for the plane's black box, which holds its flight data and cockpit voice recorders, would be challenging and involve both drones and manual searching.

Aerovise aviation expert Josh Verde told USA TODAY that if the plane nosedived, the impact force would be "tremendous," and there would be no guarantee of anything on the plane, including the black box, surviving.''

''1 of 15 Photos in Gallery In this photo taken by mobile phone released by Xinhua News Agency, a piece of wreckage of the China Eastern's flight MU5735 are seen after it crashed on the mountain in Tengxian County, south China's Guangxi Zhuang Autonomous Region on Monday, March 21, 2022. A China Eastern Boeing 737-800 with 132 people on board crashed in a remote mountainous area of southern China on Monday, officials said, setting off a forest fire visible from space in the country's worst air disaster in nearly a decade.''

AAVmy2U.img
 
China plane crash pilots didn’t respond during dive, authorities say | Asia – Gulf News
''WUZHOU, China: Pilots of a doomed China Eastern Airlines Corp. Flight 5735 failed to respond to multiple calls from Chinese air-traffic controllers after tipping into a deadly nosedive, authorities said at a press conference.

Investigators are sifting through evidence to understand why the Boeing Co. 737-800 NG plane carrying 132 people crashed in southern China on Monday. It’s too early to draw any clear judgments about the cause, a Chinese air-safety official said at a press conference late Tuesday.''


''Despite a huge boom in travel, China has a strong flight safety record.
Chinese media reported that the airline will now ground all its Boeing 737-800 jets. The deadliest Chinese commercial flight accident was a China Northwest Airlines crash in 1994 that killed all 160 people onboard.''
 
March 23 2022
China Eastern Airlines Flight 5735 crash: crews recover one black box | CP24.com
''WUZHOU, China (AP) -- A Chinese aviation official said Wednesday that one of the two “black box” recorders had been found in severely damaged condition, two days after a China Eastern flight crashed in southern China with 132 people on board.

The device is so damaged that investigators were not able to tell whether it is the flight data recorder or the cockpit voice recorder, said Mao Yanfeng, the director of the accident investigation division of the Civil Aviation Authority of China.

He told a news conference that an all-out effort is being made to find the other black box.''

''An air-traffic controller tried to contact the pilots several times after seeing the plane's altitude drop sharply, but got no reply, a grim-faced Zhu Tao, director of the Office of Aviation Safety at the Civil Aviation Authority of China, said at a Tuesday evening news conference.''
 
I bet Boeing is extremely interested in the "Black Box". I have never seen a plane into a complete straight dive perpendicular to the ground. The G force in the plane must have been tremendous.

Super eerie that it was on the same date as the plane flown by the German pilot. Good find @cujenn81
 
This is probably a dumb question, but why don't airlines utilize cloud storage instead of black boxes?
Very lengthy article.
Should black box data be stored in the cloud? | HowStuffWorks

Thinking Inside the Box
eyJidWNrZXQiOiJjb250ZW50Lmhzd3N0YXRpYy5jb20iLCJrZXkiOiJnaWZcL2JsYWNrLWJveC1jdXRhd2F5LmdpZiIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6MjkwfX19


Diagram of a basic black box
© 2014 HOWSTUFFWORKS

''Should black box data be stored in the cloud?
Cost is not the only factor barring the streaming of flight data -- or, at least, cockpit voice recorder data. Pilot unions have long balked at the idea of making their voice recordings (or proposed video recordings) available to anyone beyond accident investigators, and even they tend only to read the transcripts.

Here's a fun fact you might not know: CVRs equip an erase button, which pilots press after completing a safe landing (they don't work during takeoff or flight). True, encrypted streaming could preserve the same privacy and then allow for deletion after landing, but would pilots see it that way?

Potentially, new regulations -- perhaps spurred by public outrage over some fresh disaster -- could drive some sort of FAA mandate. But unless forced, it seems far less likely that black boxes will stream to the cloud, and more likely that outside technologies will join them in an augmenting or assisting role.''
 
One of two black boxes from crashed China Eastern jet found

One of two black boxes from crashed China Eastern jet found

The device is the plane's cockpit voice recorder, based on an early assessment, a Civil Aviation Administration of China (CAAC) official told a media briefing.



Investigators say it is too early to speculate on the cause. The plane went into an unexplained dive an hour after departure and stopped transmitting data 96 seconds into the fall.

One of two 'black boxes' found in China Eastern plane crash



Transponder turned off?
 
Holy Moly, my jaw is hanging open and that says a lot considering how often i post on Ws.!

I remember that crash and the investigation that followed that revealed the pilot purposely crashed the plane. He had lots of mental issues and should never have been allowed to fly. If my memory serves me correctly he didn't share some of his medical issues with the airlines company that employed him.
 
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The data being referred to is ADS-B data, which is transmitted via an antenna on the belly of the plane and received by ground stations. This data is what's made available on sites like Flight Aware.

A plane's position in the sky and in relation to the local terrain will effect the ability of the ground stations to get the data, and "dropouts" are to be expected in these circumstances (mountainous terrain, plane descending at an unusual angle/attitude) Imo

It's highly unlikely that any transponders were switched off during the dive.


One of two black boxes from crashed China Eastern jet found

One of two black boxes from crashed China Eastern jet found

The device is the plane's cockpit voice recorder, based on an early assessment, a Civil Aviation Administration of China (CAAC) official told a media briefing.



Investigators say it is too early to speculate on the cause. The plane went into an unexplained dive an hour after departure and stopped transmitting data 96 seconds into the fall.

One of two 'black boxes' found in China Eastern plane crash



Transponder turned off?
 
Haven't read the new posts yet - but there is a thread for this:

https://www.websleuths.com/forums/threads/275059/

oops - that link doesn't work - sorry - I'll see if I can find the actual one...

here it is:
Germanwings Airbus crash 24 March #1

There's also the Silkair 185 suicide crash.

What I find chilling among all the pilots discussion, is a post that describes the similar near vertical descent of this aircraft. Apparently after the Silkair crash, investigators tried all sorts of scenarios on the simulator and none came close to what actually happened.
Poster believes only "Sustained pilot input" would have caused this crash as well.
see post 132
China Eastern 737-800 MU5735 accident March 2022 - PPRuNe Forums

SilkAir Flight 185 - Wikipedia (Boeing 737-300)

Hopefully the found data recorder will have the necessary info to aid in a conclusion of the cause. Seemingly they don't know yet if it's the cockpit voice recorder or the data recorder.

eta...according reuters linked in an above post it is possibly the voice recorder. China finds first black box from crashed jet, U.S. discussing quarantine for investigators
 

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