Ethiopian Airlines 737 Max 8 crew followed procedures: Official report

Ethiopian Airlines 737 Max 8 crew followed procedures: Official report

Ethiopian Airlines 737 Max 8 crew followed procedures: Official report

Yesterday, Boeing CEO Dennis Muilenburg issued an extraordinary public statement in which he apologized for the 346 lives lost in recent crashes of the company's 737 MAX aircraft - both in Indonesia and in Ethiopia.

He acknowledged for the first time that in certain unsafe situations, the Maneuvering Characteristics Augmentation System, known as MCAS, can cause pilots to lose control of an aircraft in response to erroneous data from the plane's external sensors.

According to Mr McAllister, "we will carefully review the AIB's preliminary report and will take any and all additional steps necessary to enhance the safety of our aircraft".

Meanwhile, Spirit Aerosystems announced late Friday that it will maintain its 737 deliveries to Boeing at 52 per month.

"As pilots have told us, erroneous activation of the MCAS function can add to what is already a high workload environment".

They said the crew performed all of the procedures provided by Boeing but was unable to control the aircraft.

The realisation of a second software problem explains why the timeline that Boeing projected publicly last week for getting hundreds of the aircraft airborne again has slipped, the officials said.

A preliminary report issued by the Ethiopian government on Wednesday said pilots followed Boeing's recommended safety protocol, but still failed to avoid the crash, which killed all 157 people onboard.

The software update, Boeing said, adds layers of protection and will stop erroneous data from activating the system.

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"The report does not address information about unreliable airspeed procedures which should be considered because they had erratic airspeed", said Greg Feith, a former senior air safety investigator with the National Transportation Safety Board.

Current employment levels would be maintained, the statement said, and a new committee is being set up to look at "policies and processes for the design and development of the airplanes we build".

The aircraft manufacturer has said it will introduce a software update for the MCAS in a bid to resolve the sensor problems.

FILE - In this file photo, an Ethiopian Airlines Boeing 737 Max 8 sits grounded at Bole International Airport in Addis Ababa, Ethiopia.

Gebremariam said the report proves that the crash didn't occur due to incompetence from the pilots, debunking "all the speculators with false allegations".

Boeing's checklist for pilots tells them to "control airplane pitch attitude manually with control column and main electric trim as needed" before hitting cut-out switches and turning to a rarely used manual wheel to keep the plane's nose in the proper position.

Boeing is working on a software upgrade for the maneuvering system MCAS, as well as training courses for 737 MAX pilots.

The accident came only five months after another 737 Max crashed.

But aviation experts say the data recorded from the preliminary report indicates that the pilots, at some point, turned the system back on which allowed a misfiring automatic safety system to take effect.

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