What does ADS-B stand for in aviation technology?

The correct answer is Automatic Dependent Surveillance Broadcast. This technology is pivotal in modern aviation, enhancing situational awareness for aircraft operators and air traffic controllers. ADS-B relies on the aircraft's onboard navigation systems to determine its precise location, speed, and other data. The term "Automatic" signifies that the system operates without pilot intervention, "Dependent" indicates that it relies on satellite navigation data (like GPS) to function, "Surveillance" refers to the monitoring of aircraft positions, and "Broadcast" highlights that this data is transmitted to other aircraft and ground stations automatically.

Understanding the concept behind the name is crucial for anyone involved in aviation, as ADS-B plays a significant role in improving safety and efficiency within the National Airspace System (NAS). Implementing ADS-B enhances the tracking of aircraft, especially in areas where radar coverage is limited, allowing for better separation and situational awareness among pilots and air traffic control.