The Garmin G1000 is an integrated flight instrument system manufactured by Garmin

Garmin

Garmin Ltd. , incorporated in Schaffhausen, Switzerland, is the parent company of a group of companies founded in 1989 by Gary Burrell and Min Kao , that develops consumer, aviation, and marine technologies for the Global Positioning System...

 typically composed of two display units, one serving as a primary flight display

Primary flight display

A primary flight display or PFD is a modern aircraft instrument dedicated to flight information. Much like multi-function displays, primary flight displays are built around an LCD or CRT display device...

, and one as a multi-function display

Multi-function display

A Multi-function display is a small screen 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...

. It serves as a replacement for most conventional flight instruments

Flight instruments

Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with information about the flight situation of that aircraft, such as height, speed and altitude...

 and avionics

Avionics

Avionics are electronic systems used on aircraft, artificial satellites and spacecraft.Avionic systems include communications, navigation, the display and management of multiple systems and the hundreds of systems that are fitted to aircraft to meet individual roles...

.
An aircraft with a basic Garmin G1000 installation contains two LCD displays (one acting as the primary flight display

Primary flight display

A primary flight display or PFD is a modern aircraft instrument dedicated to flight information. Much like multi-function displays, primary flight displays are built around an LCD or CRT display device...

 and the other as the multi-function display

Multi-function display

A Multi-function display is a small screen 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...

) as well as an integrated communications panel that fits between the two.

Beyond that, additional features are found on newer and larger G1000 installations, such as in business jets.