AAS

Advanced Automation System

The Advanced Automation System (AAS) refers to a comprehensive modernization effort undertaken by the Federal Aviation Administration (FAA) in the United States, aimed at upgrading the nation's air traffic control (ATC) system. The primary goal of AAS is to improve the efficiency, safety, and capacity of air traffic management by leveraging advanced automation technologies.

Airport Advisory Service

In the context of aviation and aerospace, "Airport Advisory Service" refers to a type of air traffic control service provided to aircraft operating at an airport, typically a non-towered airport or an airport with limited air traffic control services.