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What are the advantages of installing an RMI over an ADF indicator?

April 26, 2017ADF advantages indicator RMI

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What are the advantages of installing an RMI over an ADF indicator?

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The use of a Radio Magnetic Indicator in an aircraft offers several benefits that improve navigation situational awareness and pilot workload. A very basic ADF indicator without a moveable compass card simply points to a selected beacon. The pilot must calculate the bearing needed based on the aircraft’s current heading. Most if not all ADF indicators without a knob to turn the compass ca rd are very old and obsolete. Most ADF indicators include a knob to turn the present heading so that the bearing to the beacon can be read against the compass card.