COMPASS AMPLIFIER (P/N 777-1556-001) - As Removed, Serviceable

The 777-1556-001 is a compass amplifier for remote-indicating compass systems in aircraft. It conditions and stabilizes flux-valve signals to drive heading indicators or slaved gyros with precise directional data. Installed between the flux valve and HSI (Horizontal Situation Indicator), this amplifier processes magnetic heading information and maintains signal integrity during flight operations.

Installation follows the aircraft or avionics manufacturer's manual, with environmental qualification to RTCA DO-160 standards. Used in general aviation and corporate aircraft where reliable heading reference is critical for navigation and autopilot coupling.

What is the COMPASS AMPLIFIER (P/N 777-1556-001)?

The 777-1556-001 is a compass amplifier for remote-indicating compass systems in aircraft. It conditions and stabilizes flux-valve signals to drive heading indicators or slaved gyros with precise directional data.

Is the 777-1556-001 calibrated and ready to install?

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

Can the 777-1556-001 be used as a direct replacement in my aircraft?

The COMPASS AMPLIFIER 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 777-1556-001?

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 777-1556-001.