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IFR Ramp Test Set NAV-401L

IFR Ramp Test Set NAV-401L

The NAV-401L is specifically designed for the functional testing and calibration of various aircraft navigation and communication (NAV/COMM) systems.


An essential tool for technicians to diagnose, repair, and certify the performance and dependability of critical aviation navigation and communication systems.


The NAV-401L is used to test the following avionics systems:

  • MKR (Marker Beacon)

  • VOR (VHF Omnidirectional Range)

  • LOC (Localizer)

  • G/S (Glide Slope)

  • COMM (VHF Communication Radios)

  • ILS (Instrument Landing Systems), specifically Category I and II systems.


This machine will come with a calibration certificate.

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