National Aviation Academy :: Aviation Dictionary

Aviation Dictionary

The dictionary posted here is a tool for our visitors to better understand some of the terms used in Aviation and Aircraft Maintenance. This dictionary will continue to grow over time and will be integrated throughout our website for better usability and convenience.

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Definition of Air Data Computer (ADC)

A primary navigation data source. A navigation sensor based on atmospheric data sensors; usually measures static pressure, dynamic pressure, and outside air temperature; sometimes computes other atmospheric data, such as indicated airspeed, Mach number, calibrated airspeed As a guidance mode, ADC is least accurate of the listed modes and is used only as a last resort.