Multi-function display

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This article is about the device found in aviation. For the device of the same name found in Volkswagen automobiles, see trip computer .

A Multi-function display (MFD) is a small screen (CRT or LCD) in an aircraft surrounded by multiple buttons that can be used to display information to the pilot in numerous configurable ways. Often an MFD will be used in concert with a Primary Flight Display. MFDs are part of the digital era of modern planes or helicopter. The first MFD were introduced by airforces. The advantage of an MFD over analog display is that an MFD does not consume much space in the cockpit. For example the cockpit of RAH-66 "Comanche" does not have analog dials or gauges at all. All information is displayed on the MFD pages. The possible MFD pages could differ for every plane, complementing their abilities (in combat).

Many MFDs allow the pilot to display their navigation route, moving map, weather radar, NEXRAD, GPWS, TCAS and airport information all on the same screen.