TANKUNIT (P/N 77tn) - As Removed

The 77tn is an in-tank fuel sender that measures fuel quantity in aircraft fuel tanks. This electrical transmitter converts fuel level into a variable resistance signal transmitted to cockpit gauges, providing real-time fuel quantity indication to the flight crew. Installed directly in the fuel tank, the sender calibrates per aircraft maintenance manual specifications and FAA AC 43.13-1B guidance.

Verify applicability using the Illustrated Parts Catalog before installation. Essential for accurate fuel management and flight planning.

What is the TANKUNIT (P/N 77tn)?

The 77tn is an in-tank fuel sender that measures fuel quantity in aircraft fuel tanks. This electrical transmitter converts fuel level into a variable resistance signal transmitted to cockpit gauges, providing real-time fuel quantity indication to the flight crew.

Is the 77tn compatible with AVGAS and Jet-A fuels?

Fuel system components are designed for specific fuel types per their engineering specifications. The TANKUNIT should be verified against your aircraft's fuel system requirements. Currently available in: As Removed. Contact us for fuel compatibility details.

Does the 77tn require companion seals or gaskets for installation?

Many fuel system components require new gaskets, O-rings, or seals during installation. Check your aircraft maintenance manual for the TANKUNIT installation requirements. We stock related sealing components and can help identify companion parts.

Are there shipping restrictions for the 77tn?

Most fuel system hardware ships via standard methods. Certain items containing fuel residue may require hazmat shipping procedures. We handle all packaging and shipping compliance. Same-day processing available for in-stock items.