INDICATR (P/N 4-4023) - New Surplus

The 4-4023 is a tubular level indicator that provides visual alignment reference for aircraft systems and equipment. This glass or acrylic tube contains a bubble that responds to gravity, showing whether a surface or component is level during operation or maintenance. Mounted on panels or equipment bays, it delivers quick status indication without power or electronics.

Commonly used on Bombardier Challenger 601 aircraft, the indicator supports maintenance checks and system alignment verification. Installation follows aircraft maintenance manual specifications with compatibility confirmed in the Illustrated Parts Catalog.

What is the INDICATR (P/N 4-4023)?

The 4-4023 is a tubular level indicator that provides visual alignment reference for aircraft systems and equipment. This glass or acrylic tube contains a bubble that responds to gravity, showing whether a surface or component is level during operation or maintenance.

Is the 4-4023 calibrated and ready to install?

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

Can the 4-4023 be used as a direct replacement in my aircraft?

The INDICATR 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 4-4023?

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 4-4023.