Aviation News

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Re: Aviation News

Post by Freightdog »

https://yenei.variflight.com/club/item/ ... ddd256026b

Preliminary report, apparently, for the China Eastern MU-5735 crash. Sadly, only in Chinese, and the only translations so far, courtesy of giggletrans, with the inherent errors. Any readers of Chinese, here?

The report will be limited to known facts, and no hypotheses, analyses or diagnoses of why. So, even if it can be read, it will likely only be dry reading.
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Re: Aviation News

Post by Artisan »

Translation from the link

Civil aviation headlines fly often and accurately
A briefing on the preliminary report of the "3·21" China Eastern Airlines MU5735 flight accident investigation



On March 21, 2022, the Boeing 737-800 B-1791 of China Eastern Airlines Yunnan Co., Ltd. was carrying out the MU5735 Kunming-Guangzhou flight. When cruising in the Guangzhou control area, the cruising altitude of the self-route dropped rapidly from 8900 meters, and finally crashed in Guangxi Near Mocong Village, Conan Town, Teng County, Wuzhou City, Zhuang Autonomous Region. The plane disintegrated after hitting the ground, killing all 123 passengers and 9 crew members on board.

According to the provisions of the "Convention on International Civil Aviation", within 30 days from the date of the accident, the investigating organization country must send the investigation preliminary report to ICAO and participating countries. and conclusions. At present, the "3.21" China Eastern Airlines MU5735 Aircraft Flight Accident Investigation Preliminary Report has been completed, and the report mainly includes factual information such as flight history, crew and maintenance personnel, airworthiness maintenance, and wreckage distribution. The main situations are as follows:

The plane took off from Runway 21 of Kunming Changshui Airport at 13:16 Beijing time, rose to a cruising altitude of 8900 meters at 13:27, entered the Guangzhou control area along the A599 route at 14:17, and the Guangzhou area control radar appeared "deviation" at 14:20:55. Command altitude" warning, the aircraft left the cruise altitude, the controller called the crew immediately, but received no reply. At 14:21:40, the last recorded aircraft information by the radar was: standard pressure altitude of 3380 meters, ground speed of 1010 km/h, and heading of 117 degrees. Subsequently, the radar signal disappeared.

The accident scene is located in a valley running from southeast to northwest near Mocong Village, Conan Town, Teng County, Wuzhou City, Guangxi Zhuang Autonomous Region. A puddle with an area of ​​about 45 square meters and a depth of 2.7 meters can be seen at the scene, which was determined to be the main impact point, located at 23°19′25.52″ north latitude and 111°06′44.30″ east longitude. The debris of the aircraft wreckage was mainly found on the ground and underground in the azimuth range from 0° to 150° of the impact point. The trailing edge of the right wingtip winglet was found approximately 12 kilometers from the main impact point. There were traces of fire in the forest vegetation at the scene of the accident. Major wreckage including horizontal stabilizer, vertical tail, rudder, left and right engines, left and right wings, fuselage parts, landing gear and cockpit parts were found at the scene. After all the wreckage was searched and collected from the scene, it was uniformly transported to a special warehouse for cleaning and identification, and placed according to the actual size and position of the aircraft, which was convenient for subsequent inspection and analysis.

After investigation

1. The qualifications of the flight crew, cabin crew and maintenance and release personnel on duty meet the requirements;

2. The airworthiness certificate of the aircraft in the accident is valid, the last A inspection (31A) and the last C inspection (3C) of the aircraft did not exceed the inspection time limit specified in the maintenance plan, and there was no fault report before the flight and short-term parking on the same day, and no fault reservation;

3. There are no goods declared as dangerous goods on board;

4. There is no abnormality in the navigation and monitoring facilities and equipment along the route involved in this flight, and there is no dangerous weather forecast;

5. Before deviating from the cruising altitude, the radio communication and control command between the crew and the air traffic control department were not abnormal. The last normal land-air call was at 14:16; the two recorders on the aircraft were severely damaged due to the impact, and the data was restored and Analysis work is still in progress.

In the follow-up, the technical investigation team will continue to carry out in-depth investigations such as wreck identification, classification and inspection, flight data analysis, and necessary experimental verification in accordance with relevant procedures, and scientifically and rigorously identify the cause of the accident.

04-20 17:25:20
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armchairlawyer
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Re: Aviation News

Post by armchairlawyer »

Chinese aviation has an excellent safety record, no communication from the flight deck, no evidence of calamitous event, plane goes into a deep dive. That all rules out a lot of causes. Not much left.

See the pprune thread.
https://www.pprune.org/rumours-news/645 ... -a-22.html
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Re: Aviation News

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Deliberate nosedive likely caused China plane crash, report finds

I think this is the conclusion arrived at by people on pprune some time ago

Late on Tuesday, the Wall Street Journal reported that flight data from one of the plane's black boxes indicated that someone in the cockpit intentionally crashed the jet.
The report cited people familiar with a preliminary assessment done by US officials, adding that there was no evidence so far of technical problems with the aircraft.
The pilots also did not respond to repeated calls from air traffic controllers and nearby planes during their rapid descent.


https://www.bbc.com/news/business-61488976

Anyone with a subscription can find more here:
https://www.wsj.com/articles/china-east ... 097?page=1
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Re: Aviation News

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Doc67 wrote: Wed May 18, 2022 2:55 pm Deliberate nosedive likely caused China plane crash, report finds

I think this is the conclusion arrived at by people on pprune some time ago

Late on Tuesday, the Wall Street Journal reported that flight data from one of the plane's black boxes indicated that someone in the cockpit intentionally crashed the jet.
The report cited people familiar with a preliminary assessment done by US officials, adding that there was no evidence so far of technical problems with the aircraft.
The pilots also did not respond to repeated calls from air traffic controllers and nearby planes during their rapid descent.


https://www.bbc.com/news/business-61488976

Anyone with a subscription can find more here:
https://www.wsj.com/articles/china-east ... 097?page=1
It’s still pretty sparse on information, though.
Much is made of the lack of radio calls, but in fact this can be just a distraction when the primary task is flying the plane.
There’s a mantra- Aviate, Navigate, Communicate.

3 pilots on the flightdeck are unlikely to act in concert to crash the jet. But one very determined person is very capable of taking up everyone else’s efforts (FEDEX-705) Which pilot? There’s a lot of speculation, and accurate guesses so far. But these still need confirmation. What if the CVR? The cockpit voice recorder information is probably still being interpreted.
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Re: Aviation News

Post by Doc67 »

Freightdog wrote: Wed May 18, 2022 4:02 pm
Doc67 wrote: Wed May 18, 2022 2:55 pm Deliberate nosedive likely caused China plane crash, report finds

I think this is the conclusion arrived at by people on pprune some time ago

Late on Tuesday, the Wall Street Journal reported that flight data from one of the plane's black boxes indicated that someone in the cockpit intentionally crashed the jet.
The report cited people familiar with a preliminary assessment done by US officials, adding that there was no evidence so far of technical problems with the aircraft.
The pilots also did not respond to repeated calls from air traffic controllers and nearby planes during their rapid descent.


https://www.bbc.com/news/business-61488976

Anyone with a subscription can find more here:
https://www.wsj.com/articles/china-east ... 097?page=1
It’s still pretty sparse on information, though.
Much is made of the lack of radio calls, but in fact this can be just a distraction when the primary task is flying the plane.
There’s a mantra- Aviate, Navigate, Communicate.

3 pilots on the flightdeck are unlikely to act in concert to crash the jet. But one very determined person is very capable of taking up everyone else’s efforts (FEDEX-705) Which pilot? There’s a lot of speculation, and accurate guesses so far. But these still need confirmation. What if the CVR? The cockpit voice recorder information is probably still being interpreted.
I understand that whenever a US aircraft is involved in a serious accident outside the US, they send a team from the NTSB and also the airline, invariably Boeing these days. Are they involved in this investigation or have they been shut out?

Do the Chinese have the technical skills to get the info from the flight recorders?
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Re: Aviation News

Post by Freightdog »

Doc67 wrote: Wed May 18, 2022 4:25 pm
I understand that whenever a US aircraft is involved in a serious accident outside the US, they send a team from the NTSB and also the airline, invariably Boeing these days. Are they involved in this investigation or have they been shut out?

Do the Chinese have the technical skills to get the info from the flight recorders?
It’s normal, but not necessarily guaranteed.

Technical representation can be from, or offers of assistance from

State of registration (in this case, China)
State of manufacture (USA, the NTSB offered up assistance early on)
State of operator (in this case also China)
Aircraft Manufacturer
(Etc)

The NTSB I believe have been tasked with retrieving the data, now. They are probably the foremost experts, but many countries have more than adequate capability in most cases. China included. However, when it comes to recovering data from more compromised kit, their experience is simply greater.

(I posted this on ToF a while back)


The Chinese, I believe are not obligated to include anyone. Their country, their rules.

There have been accident reports in the past that have all but ignored input from outside experts. Egyptair (I think) comes to mind. They were adamant that it couldn’t have been a pilot induced crash, and refuted much of the technical facts and evidence.
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Re: Aviation News

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Court accepts bankruptcy plea of Covid-hit Thai AirAsia X

The company filed its case with the court on Tuesday and the court resolved to accept the plea the following day.

The court has scheduled hearings on August 22. The carrier’s creditors can submit their opposition to the plea at least three days before the hearings begin.

Thai AirAsia X is a joint venture of Malaysia carrier AirAsia X and Thai AirAsia airline.

Thai AirAsia X shareholder Tassapon Bijleveld, who is executive chairman of Thai AirAsia, said on Thursday that entering the business rehabilitation process is an option for the financially troubled airline to undergo financial restructuring.

“Now is the most suitable time. The airline has had to suspend its flights for two and a half years,” he said, adding that it plans to resume flights on June 1 to Seoul and Tokyo.

The carrier stopped all flights from March 16, 2020, after the Covid-19 pandemic struck.

Thai AirAsia X is the third Thai airline to seek rehabilitation through the Central Bankruptcy Court, after Thai Airways International and Nok Air.

thenation th
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Re: Aviation News

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The Transport Ministry is investigating the “serious” incident of a Thai AirAsia flight landing on the wrong runway in Don Mueang airport earlier this month, the Civil Aviation Authority of Thailand (CAAT) said on Tuesday


Probe into Thai AirAsia’s wrong runway landing to be ready in 30 days
On May 4, Thai AirAsia flight FD3141 from Ranong to Don Mueang landed on runway 21L instead of touching down on 21R as scheduled. No injuries were reported.

According to the Aeronautical Radio of Thailand (Aerothai), this incident can be considered serious under Annex 13 of the International Civil Aviation Organisation (ICAO) convention.

“The Transport Ministry’s Aircraft Accident and Incident Investigation Committee [AAIC] will complete the investigation within 30 days,” CAAT said.

CAAT added that Aerothai, airlines and other related agencies have been instructed to submit safety management reports to the agency to prevent a repeat of such incidents.

Once AAIC submits its investigation report to CAAT, the agency will work out who should be held responsible, analyse the safety data and prepare prevention measures.

Aerothai said air-traffic control officers have been summoned for questioning, adding that anyone found guilty will be suspended for at least 48 hours.

Thai AirAsia, meanwhile, said the pilot and co-pilot on the flight have been suspended pending investigation. The airline has apologised for the incident and said it has instructed all its staff to strictly adhere to safety regulations.

Published : May 24, 2022

By : THE NATION
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Re: Aviation News

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