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AP Source: Department of Justice reviews the development of Boeing jets

USA. Prosecutors are investigating the development of the Boeing 737 Max Jets. A person who had dealt with the matter was announced on Monday. The same day, French aerospace investigators concluded that there was "clear similarity" in October with the crash of an Ethiopian Airlines Max 8 and a Lion Air jet.

The Justice Department's investigation will examine the way Boeing was regulated by the Federal Aviation Administration, said the person who requested not to be identified because the investigation was not public.

A federal jury dispatched in Washington A subpoena for someone involved in the development of the plane, looking for emails, messages, and other messages, the person told The Associated Press.

The Inspector General of the Transportation Department is also examining the approval of the FAA to Boeing 737 Max, a US official to AP. The official was not authorized to discuss the matter publicly, and spoke on condition of anonymity. The Wall Street Journal reported on the probe on Sunday that the Inspector General is looking into the aircraft's anti-stall system. It cites unidentified persons who are familiar with both cases.

The anti-stall system may have involved the crash of an Indonesian Lion Air jet that killed 189 people. The crash of an Ethiopian Airlines plane that killed 157 will also be scrutinized on March 10.

The FAA's FAA regulates the Chicago-based Boeing and is responsible for allowing airplanes to fly safely.

The Grand Jury Exposed Their Subpoena On March 11, a day after the crash of Ethopian Airlines, said the person who had spoken with The Associated Press.

Justice Department and Inspector General spokesmen said on Monday that they could not confirm or deny the existence of investigations. The FAA does not want to comment on this.

"Boeing answers no questions about legal issues, be it internal, legal disputes or regulatory inquiries," said Boeing spokesman Charles Bickers in an email.

The company was released late Monday an open letter from Chief Executive Officer Dennis Muilenburg to airlines, passengers and aviation. Muilenburg did not refer to the reports of the Ministry of Justice, but stressed that his company is taking measures to ensure the safety of its 737 Max jets.

These include an upcoming release of a software update and pilot training for the 737 Max "Discussions of Concerns" following Lion Air's October disaster, Muilenburg said. The aircraft's new flight control software is suspected to play a role in the crashes.

The French Civil Aviation Investigation Bureau BEA said on Monday that Ethiopian Airlines' black-box data showed and are related to the Lion Air crash

Ethiopian authorities asked BEA for help in extracting and Interpret the black boxes of the crashed aircraft, as Ethiopia does not have the required expertise and technology.

The Ethiopian Accident Investigation Bureau intends to publish a preliminary report within 30 years.

The United States and many other countries have grounded the Max 8 and the larger Max 9 as Boeing faces the challenge of proving the jets when it suspects that faulty sensors and software are contributing to the two crashes less than five months have contributed.

Both aircraft flew with irregular altitude changes, which may indicate that the pilots had difficulty controlling the aircraft. Shortly after the launch, both crews tried to return to the airports, but crashed.

Boeing said it has "full confidence" in the safety of the aircraft. Engineers make changes to the system to prevent aerodynamic stalling when sensors detect that the nose of the jet is too high and the speed is too low.

Investigators investigating the Indonesian crash repeatedly investigate whether the software has automatically pressed the nose of the plane and whether the Lion Air pilots were able to solve this problem. Ethiopian Airlines says its pilots have received special training for the software.

Dennis Tajer, an American aviation pilot and spokesman for his union, said Boeing had a conversation with airlines last Thursday, but did not invite any pilots to American or Southwest US airlines using the same version of the Max in Indonesia and Ethiopia crashed.

Tajer said airline representatives told unions that Boeing intended to offer pilots an approximately 15-minute iPad course to train them with the new flight control software. Max jets are thought to play a role in the crashes play. He described this training as unacceptable.

"Our feeling is that it's in a hurry to stick to it -" Let's go, let's go, let's go, "Tajer said," I'm in a hurry to protect my passengers. "[AspokesmanfortheSouthwestAirlinesaviationunionalsosaidBoeingofficialssaidtheunionwasexpectingtheupgradetobecompletedbytheendofJanuary

Spokesman Mike Trevino said Boeing has never pursued to explain why Boeing was expected to submit a proposed fix to the FAA in early January.


Krisher reported from Detroit, David Koenig, Associated Press, Dallas and Michael Balsamo, Washington contributed to this report.

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