Boeing conducts 737 MAX test flight Together with Main executive on side

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Boeing chief executive Dennis Muilenburg on a 737 MAX 7 test flight {for the|for that|for your} MCAS software update. (Boeing)

Boeing has released pictures of its {chief executive|leader} Dennis Muilenburg on board a 737 MAX 7 testing a software update to the aircraft’ s an anti-stall feature.

The test flight was to demonstrate the software update for the Maneuvering Characteristics Augmentation System (MCAS) that has been in development since a Lion Air 737 MAX 8 plunged into the sea {just minutes|in just minutes|just moments} after it took off from Jakarta in October 2018.

Boeing has said previously it expected to have the software update, which the company said added layers of {protection from|defense against} erroneous data out of the aircraft’ s angle of attack (AOA) sensors, rolled out by April , with the United States Federal Aviation Administration (FAA) to mandate the update with an airworthiness directive.

A supplied image of Boeing chief executive Dennis Muilenburg on a 737 MAX 7. (Boeing)

A supplied image of Boeing {chief executive|leader} Dennis Muilenburg on a 737 MAX 7. (Boeing)

A supplied image of Boeing chief executive Dennis Muilenburg {speaking with|talking to} employees. (Boeing)

Muilenburg got a first-hand look at a demonstration {of the|from the|in the} updated MCAS software on Wednesday (US time).

“ The flight crew performed different scenarios that exercised various {aspects of|facets of|areas of} the software changes to test failure conditions, ” Boeing said in a statement.

“ The software update worked as designed, and the pilots landed safely at Boeing Field.

“ Boeing will conduct additional test and demo flights {as we|once we|even as we} continue to work to demonstrate {that we have|that we get} identified and appropriately addressed all certification requirements. ”

Boeing said it would submit the update for FAA review once that work was “ completed in the coming weeks”.

“ Safety is our first priority, and we will take a thorough and disciplined approach to the development and testing of the update {to ensure|to make sure|to make certain} we take the time to get it right. This demonstration flight {is another|can be another|is also a} step in that process, ” Boeing said.

Features of the software update included {having the|getting the|obtaining the} flight control system compare inputs from both AOA sensors. If there was a significant disagreement – by 5. 5 degrees or more {with the|using the|with all the} flaps retracted – the MCAS would not activate and an indicator of the flight deck would alert the pilots, according to Boeing.

Further, Boeing said “ MCAS can never command more stabilizer input than can be counteracted by the flight crew pulling back {on the|around the|within the} column”.

“ The pilots will {continue to|always|carry on and} always have the ability to override MCAS and manually control the airplane, ” Boeing said on its website.

“ These updates reduce the crew’ s workload in non-normal flight situations and prevent erroneous data from causing MCAS activation. ”

In terms of pilot training, Boeing said {it had|completely} updated the computer-based training to accompany the software update.

On April 1, Federal Aviation Administration FAA said it expected to receive the final version of Boeing’ s 737 MAX software update “ over the coming weeks ”.

On March 27, Boeing held a technical briefing with about 200 aviation technicians from around the world, including representatives from Virgin Australia which has 40 737 MAX family of aircraft on order .

{The global|A global} 737 MAX fleet of about 370 aircraft currently sits grounded following a second fatal accident involving the type in {the past|earlier times|days gone by} six months, when Ethiopian Airlines flight ET302 crashed {shortly after|soon after|right after} takeoff from Addis Ababa.

The preliminary analysis of the flight data recorder (FDR) from the Ethiopian Airlines accident showed similarities with the Lion Air crash .