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A radio magnetic indicator (RMI) is an alternate ADF display providing more information than a standard ADF. While the ADF shows relative angle of the transmitter with respect to the aircraft, an RMI display incorporates a compass card, actuated by the aircraft's compass system, and permits the operator to read the magnetic bearing to or from ...
- Direction finding
Direction finding (DF), or radio direction finding (RDF), is...
- Direction finding
Direction finding (DF), or radio direction finding (RDF), is the use of radio waves to determine the direction to a radio source. The source may be a cooperating radio transmitter or may be an inadvertant source, a naturally-occurring radio source, or an illicit or enemy system.
A radio magnetic indicator (RMI) is an alternate ADF display providing more information than a standard ADF. While the ADF shows relative angle of the transmitter with respect to the aircraft, an RMI display incorporates a compass card, actuated by the aircraft's compass system, and permits the operator to read the magnetic bearing to or from ...
The RMI has one or two needles which can be used to indicate navigation information from either the ADF or the VOR receivers. Both needles are different in appearance, one of them operating with NAV 1 or ADF 1 radio and the other one operating with NAV 2 or ADF 2 radio.
A radio magnetic indicator (RMI) combines a magnetic compass, VOR, and ADF indications. The azimuth card of the RMI is rotated by a remotely located flux gate compass. Thus, the magnetic heading of the aircraft is always indicated. The lubber line is usually a marker or triangle at the top of the instrument dial.
Radio Magnetic Indicator (RMI) The RMI scale is automatically orientated, like a remote indicating compass, to the earth's magnetic field.
One way to display the NDB is the Radio Magnetic Indicator . VOR stations are mostly used for automated flight so most, if not all, receiving equipment (on NAV1) can be linked with an autopilot. If there is a separate ILS receiver and a VOR indicator identify which one is NAV1 and NAV2 and which one can be used to control the autopilot.
