INDICATOR LOAD (P/N 721-17891) - New Surplus

The 721-17891 is a panel-mounted load indicator that displays alternator or generator output on the aircraft electrical system. This instrument monitors electrical bus demand by connecting to a shunt or current sensor, providing real-time load information to flight crews. Installed directly in the instrument panel, the loadmeter integrates with the aircraft's electrical monitoring system.

Installation requires precise wiring per aircraft maintenance manual specifications and calibration to match the specific alternator or generator output range. Essential for monitoring electrical system health during flight operations.

What is the INDICATOR LOAD (P/N 721-17891)?

The 721-17891 is a panel-mounted load indicator that displays alternator or generator output on the aircraft electrical system. This instrument monitors electrical bus demand by connecting to a shunt or current sensor, providing real-time load information to flight crews.

Is the 721-17891 calibrated and ready to install?

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

Can the 721-17891 be used as a direct replacement in my aircraft?

The INDICATOR LOAD 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 721-17891?

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 721-17891.