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When did ADS-B become mandatory in certain airspace?

  1. January 1, 2018

  2. January 1, 2019

  3. January 1, 2020

  4. January 1, 2021

The correct answer is: January 1, 2020

The correct answer is January 1, 2020, because this is when the FAA mandated the use of Automatic Dependent Surveillance-Broadcast (ADS-B) in certain types of airspace. Specifically, it applies to all aircraft operating in Class A airspace and in certain Class B and Class C airspace, as well as above 10,000 feet and in the vicinity of airports. This requirement is part of the FAA's Next Generation Air Transportation System (NextGen) initiative, which aims to improve safety, efficiency, and capacity in the national airspace system. The implementation of ADS-B is important for situational awareness and enhances the ability of air traffic controllers to monitor aircraft. By providing precise position information, it helps reduce the risk of mid-air collisions and contributes to effective tracking of aircraft in more challenging environments. Understanding the specific date of the requirement helps pilots and operators ensure compliance with regulations when flying in areas where ADS-B is mandatory, enabling smoother operations and increased safety in the sky.