GAUGE: HOUR METER (P/N 550-580) - As Removed

The 550-580 is a panel-mounted hour meter that records cumulative engine operating time in hours and tenths. This electrical Hobbs-type gauge tracks total utilization for maintenance scheduling and inspection intervals on general aviation aircraft. Installed directly into the instrument panel, the meter displays elapsed engine run time to help technicians monitor service due dates and component overhaul requirements.

Installation requires wiring per the aircraft maintenance manual and FAA AC 43.13-1B acceptable practices, followed by operational verification.

What is the GAUGE: HOUR METER (P/N 550-580)?

The 550-580 is a panel-mounted hour meter that records cumulative engine operating time in hours and tenths. This electrical Hobbs-type gauge tracks total utilization for maintenance scheduling and inspection intervals on general aviation aircraft.

Is the 550-580 calibrated and ready to install?

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

Can the 550-580 be used as a direct replacement in my aircraft?

The GAUGE: HOUR METER 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 550-580?

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 550-580.