NAV/COMM TEST SET (P/N nav401l) - Serviceable

The nav401l is a NAV/COMM test set for avionics bench and ramp testing. It generates variable-frequency signals for ILS (CAT I/II), VOR, marker beacon, and VHF communication system verification. Technicians use this test set during MRO to validate NAV/COMM performance via radiated or direct coaxial coupling methods.

The unit supports both over-the-air and hardwired signal injection for comprehensive system diagnostics. Operation requires reference to the test set manual and applicable aircraft maintenance procedures.

What is the NAV/COMM TEST SET (P/N nav401l)?

The nav401l is a NAV/COMM test set for avionics bench and ramp testing. It generates variable-frequency signals for ILS (CAT I/II), VOR, marker beacon, and VHF communication system verification.

Is the nav401l compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The NAV/COMM TEST SET is available in: Serviceable. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the nav401l 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 nav401l?

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.