What legislation mandated new AOA sensors for the MAX fleet?

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The 2020 Legislation Mandated New AOA Sensors for the MAX Fleet

New legislation enacted in 2020 mandated that Boeing install new Angle of Attack (AOA) sensors on its entire fleet of over 2,300 MAX aircraft within a two-year timeframe. This requirement emerged from investigations and Capitol Hill hearings that highlighted deficiencies in government oversight of Boeing, particularly in the context of the two fatal MAX crashes in 2018 and 2019.
Congressional Action Following MAX Crashes

The legislative mandate followed extensive scrutiny of Boeing's safety protocols and regulatory oversight. Congressional hearings revealed systemic issues that contributed to the MAX disasters, prompting lawmakers to implement stricter requirements for the aircraft manufacturer. The installation of new AOA sensors was a direct outcome of these findings, aimed at enhancing the safety of the existing MAX fleet.
Timeline for Sensor Installation

The legislation set a clear deadline for Boeing to equip its over 2,300 MAX planes with the updated AOA sensors. The company was given a period of two years from the enactment of the 2020 legislation to complete this significant fleet-wide modification. This measure underscored the seriousness with which lawmakers viewed the safety concerns raised by the crashes.
Improved Aircraft Safety as a Goal

The introduction of new AOA sensors was intended to bolster the safety features of the Boeing 737 MAX aircraft. The deficiencies in the original sensors and the associated anti-stall system, the Maneuvering Characteristics Augmentation System (MCAS), were identified as key factors in the two fatal accidents. The legislative requirement for updated sensors was a critical step in rebuilding confidence in the aircraft's airworthiness.

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What legislation mandated new AOA sensors for the MAX fleet?

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