Directional Gyro
The directional gyro is mounted to the left of the VSI. It acts like a compass, exhibiting some of the errors that compasses do. The pilot uses the compass to periodically reset the directional gyro.
Dual Tachometer ...
Directional Gyro (DG) A compass that uses a gyro rather than the Earth's magnetic field. It is much more reliable in turns and rough air than a magnetic compass.
DIRECTIONAL GYRO - A panel instrument providing a gyroscopic reading of an aircraft's compass heading.
DIRIGIBLE - A lighter-than-air craft capable of being propelled and steered for controlled flight. Latin: dirigo,to steer.
Directional gyro. More properly called Direction Indicator. An instrument to indicate any change in the direction of an aeroplane. Deviation from a straight course is shown by marks along a graduated card kept at a fixed datum by a gyroscope.
Directional Gyro
DLR
German Aerospace Center / Deutsches Zentrum für Luft- und Raumfahrt e.V.
DG
Directional gyro
DGNSS
Differential GNSS
DGPS
Differential global positioning system. LA- prefix refers to local area DGPS; WA- prefix refers to wide-area DGPS signal retransmission schemes.
The directional gyro is a free gyro. It establishes an inertial platform.
DG: Directional Gyro; a gyroscopic compass that's better than the 'real' magnetic one for several reasons I'm not going to get into here. Unfortunately, it tends to drift with time, so it must be regularly be reset to match the magnetic one.
Radar (usually, a type of instrument approach which provides only horizontal guidance to the pilot) CDI Course Deviation Indicator - part of a VOR navigation system, which shows how far off a desired course the aircraft is DG Directional Gyro - a ...
DG - Directional gyro.
DGPS - Differential global positioning system. LA- prefix refers to local area DGPS; WA- prefix refers to wide-area DGPS signal retransmission schemes.
Flying with the compass is quite different from using the directional gyro. The compass has several inherent errors relating to turn, speed and geographic latitude. The compass should only be "read" in level un-accelerated flight.
The artificial horizon and directional gyro are vacuum operated and are located in the center of the left-hand instrument panel. The vacuum gauge is located on the upper left hand instrument panel.
Next, using the printed checklist found in the aircraft, you'll begin your pre-takeoff check of all engine and control systems as well as setting the altimeter and directional gyro.
The DI, also known as the directional gyro (DG), is free of the turning errors associated with magnetic compasses but is prone to precession (wander) and must be reset against the magnetic compass at intervals.
The RMI, Radio Magnetic Indicator, is a combination of the directional gyro (heading indicator) with two bearing pointers.
NO GYRO APPROACH- A radar approach/vector provided in case of a malfunctioning gyro-compass or directional gyro.
A radar approach that may be used in case of a malfunctioning gyro-compass or directional gyro.
term used to describe the tradition primary flight instruments (also referred to as “steam gauges') typically configured in two rows of three gauges (attitude indicator, altimeter, airspeed indicator, vertical speed indicator, directional gyro ...
 See also: Flight, Direct, Aircraft, Speed, Pilot
  
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