What does an Air Data Computer (ADC) replace in modern aircraft?

The Air Data Computer (ADC) primarily replaces conventional pitot-static instruments in modern aircraft. The ADC processes data collected from the pitot tube and static ports to provide critical information about airspeed, altitude, vertical speed, and other essential flight parameters. By integrating this data and performing the necessary calculations, the ADC enhances the accuracy and reliability of the flight information available to pilots.

The shift from traditional mechanical instruments to digital electronics via the ADC allows for improved performance in terms of response time and reduces the mechanical complexity of the aircraft systems. This modernization results in lighter aircraft weight, fewer failure points, and the ability to share data with other onboard systems seamlessly.

Other options, such as mechanical navigation systems, gyroscopic attitude indicators, and flight management systems, still serve important functions in the aircraft, but the ADC’s primary role is centered around replacing and modernizing the traditional pitot-static instruments for better data handling and flight monitoring.