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Buy, sell, trade-in or rent IFR / Aeroflex NAV-401L NAV/COMM/ILS test set.


Avionteq offers both new and refurbished or used IFR / Aeroflex NAV-401L NAV/COMM/ILS test set for sale. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus IFR / Aeroflex NAV-401L or receive trade-in credit towards purchase of other test equipment.


IFR / Aeroflex NAV-401L Features and Specifications *


The IFR / Aeroflex NAV-401L is a completely self contained unit with built-in battery and charger supply. It is specially designed for functional testing and calibration of MKR, VOR, LOC, G/S, and COMM avionics.


The NAV-401L is designed to meet the functional testing and calibration requirements of CAT II ILS systems. It is equipped with a modulated signal generator for MKR, VOR, LOC, G/S and COMM tests and a variable output attenuator.


  • VOR bearing selectable in 0.1 degree steps, accuracy ±0.1 degree
  • Signal generator for MKR, VOR, LOC, G/S, and COMM systems with both XTAL and VAR frequency modes
  • Built-in modulation monitors, 0-30% and 0-100%
  • Built-in 90 degree bearing monitor of VOR output
  • RF power meter for COMM XMTR power 0-10 W and 0-100 W
  • Simultaneous LOC-G/S output
  • Built-in battery and charger supply
  • Built-in counter for display of generator frequency, COMM XMTR frequency, or O dBm external frequencies from 1 MHz to at least 300 MHz  


* IFR / Aeroflex NAV-401L technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the NAV-401L such as the models sold by Avionteq.

Van Nuys Airport (VNY), Van Nuys, CA 91406 USA