COUPLER ASSY, HF ANTENNA (HF9041) (P/N 685-0350-002) - As Removed

The 685-0350-002 is an HF9041 antenna coupler assembly for aircraft high-frequency communications systems. This component provides automatic impedance matching between the HF transceiver and airframe antenna, enabling efficient signal transmission across the HF band. Installed in the avionics bay as part of the HF communication system, the coupler tunes the antenna to optimize performance during flight operations.

Commonly found in Bombardier Challenger 604 and similar business aircraft installations. Follow aircraft maintenance manual and avionics installation manual procedures before installation. Verify IPC compatibility with your specific airframe configuration.

What is the COUPLER ASSY, HF ANTENNA (HF9041) (P/N 685-0350-002)?

The 685-0350-002 is an HF9041 antenna coupler assembly for aircraft high-frequency communications systems. This component provides automatic impedance matching between the HF transceiver and airframe antenna, enabling efficient signal transmission across the HF band.

Is the 685-0350-002 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The COUPLER ASSY, HF ANTENNA (HF9041) is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 685-0350-002 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 685-0350-002?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.