INDICATOR RADIO MAG (P/N 3137lb3-1c) - As Removed

The 3137lb3-1c is a Radio Magnetic Indicator (RMI) that displays aircraft magnetic heading with dual bearing needles for navigation reference. This panel-mounted instrument receives inputs from VOR/ADF receivers and a slaved compass system to present magnetic bearings relative to current heading. The RMI integrates navigation data from ground-based VOR and NDB stations, allowing pilots to visualize magnetic track information during instrument flight.

Installation connects to compatible avionics via standard interface connectors and follows aircraft maintenance manual procedures. Environmental qualification meets RTCA DO-160 standards for aviation cockpit equipment.

What is the INDICATOR RADIO MAG (P/N 3137lb3-1c)?

The 3137lb3-1c is a Radio Magnetic Indicator (RMI) that displays aircraft magnetic heading with dual bearing needles for navigation reference. This panel-mounted instrument receives inputs from VOR/ADF receivers and a slaved compass system to present magnetic bearings relative to current heading.

Is the 3137lb3-1c calibrated and ready to install?

Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The INDICATOR RADIO MAG is available in: As Removed. Contact us to confirm calibration status for your selected condition.

Can the 3137lb3-1c be used as a direct replacement in my aircraft?

The INDICATOR RADIO MAG is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.

Do you offer instrument exchange programs for the 3137lb3-1c?

Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the 3137lb3-1c.