Is 737 MAX fly by wire?

However, the 737 MAX extended spoilers are fly-by-wire controlled. Most of the systems are carried from the 737NG to allow for a short differences-training course to upgrade flight crews. In addition to the Speed Trim System (STS), the automatic stabilizer control system has been enhanced to include MCAS.



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All newer production models of Boeing and Airbus aircraft have Fly-by-Wire (FBW), the differences are in pilot interface and the system architecture on how it deals with the aircraft control laws to keep aircraft flying within the safe operating flight envelop.

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First developed on military aircraft and on Concorde, fly-by-wire technology has equipped all Airbus aircraft including A220 since the first A320, back in 1988 and the most modern version of concurrent aircraft, such as the B777, B787 and Embraer E-jets.

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The FAA ultimately grounded the MAX on March 13, 2019 and lifted the flight prohibition order in November 2020 after Boeing made a series of software upgrades and training changes.

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Despite the FlyersRights concerns, the FAA, Boeing and many pilots deem the 737 MAX safe to fly and many airlines have the plane in service. “I can say categorically that the 737 MAX product is safe,” then-acting FAA administrator Bill Nolen told members of the US Senate Commerce Committee in March.

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After the President's announcement, the FAA officially ordered the grounding of all 737 MAX 8 and 9 operated by U.S. airlines or in the United States airspace. The FAA did allow airlines to make ferry flights without passengers or flight attendants in order to reposition the aircraft in central locations.

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The addition of the 100th MAX, registered N17301, made United the second-largest operator of MAX aircraft worldwide, passing Ryanair. According to ch-aviation, United now has 109 in its fleet. Southwest Airlines remains number one worldwide, with 180, and the Ryanair Group has 96 between Ryanair and Malta Air.

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Fly-by-wire spoiler system - to improve production flow, reduce weight and improve stopping distances. Maneuvering Characteristics Augmentation System (MCAS) – Applies nose down stabilizer trim during high AoA flight when the flaps are up and the A/P is not engaged.

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The A320's fly-by-wire technology was not only a way of improving flight controls and reducing weight. It enabled Airbus to take safety to a new level by introducing the flight envelope protection.

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Both the Federal Aviation Administration and the European Union Aviation Safety Agency approved the MAX as safe to fly passengers.

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The move away from the MAX name has been a subtle process and Boeing has begun to use the name 737 MAX and 737-8(7 through 10) interchangeably. This way they are transitioning away from the MAX name toward the normal naming convention of modern Boeing aircraft.

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