Model Number: IFR NAV 4000

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    NAV/COMM Ramp Test Set

    To view click here: Standard Warranty Policy NAV 4000 Data Sheet 

    Aero Express will buy, sell and trade the NAV 4000 depending on your needs.  THe IFR 4000 verifies the operation and installation of ILS, VOR and Marker Beacon receivers and VHF/UHF, AM/FM and HF AM/SSB transceivers.


    • The IFR 4000 is a compact, lightweight and weatherproof unit designed for testing ILS, VOR, Marker Beacon and VHF/UHF Communications avionics systems
    • The IFR 4000, with its lightweight size (under 8 lbs.), long run time battery (8 hrs) and ergonomic design, will provide the user with the most portable navigational communications ramp test set on the market today.

    2-Year Factory IFR/Aeroflex Warranty on all new products.


    Express Calibration is an Authorized ISO-17025 Calibration and Repair shop for the IFR/Aeroflex IFR 4000.  Visit for full capabilities.

    All units will be sold with a current calibration certificate. If factory new, a manufacturer’s Certificate of Conformance (C of C) will be provided.

    Since its inception, Express Calibration Services has supported Aero Express’ endeavors in providing test equipment support services.

    They perform calibrations for General Aviation, Corporate Aviation, OEMs, FAA Repair Stations, Military, as well as Regional and Air Transport Airlines. Express Calibration Services offers their services when you have a requirement for calibration or repair of your test equipment