GAUGE TANK FUEL (P/N 77-tn) - As Removed

The 77-tn is a fuel tank quantity gauge that displays usable fuel level from a sender unit. This panel-mounted instrument provides real-time fuel quantity indication for single-tank installations on general aviation aircraft. The gauge receives electrical signals from a fuel tank sender and converts them to needle deflection across a calibrated dial face.

Installation follows aircraft maintenance manual specifications and wiring diagram requirements, with indicator markings reflecting unusable fuel reserves per regulatory standards. Essential for flight planning and fuel management.

What is the GAUGE TANK FUEL (P/N 77-tn)?

The 77-tn is a fuel tank quantity gauge that displays usable fuel level from a sender unit. This panel-mounted instrument provides real-time fuel quantity indication for single-tank installations on general aviation aircraft.

Is the 77-tn calibrated and ready to install?

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

Can the 77-tn be used as a direct replacement in my aircraft?

The GAUGE TANK FUEL 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 77-tn?

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 77-tn.