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NSN Number: 6625-01-600-6784




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Buy, sell, trade-in or rent Viavi / Aeroflex APM-424(V)4 Transponder Test Set.


Avionteq offers both new and refurbished or used Viavi / Aeroflex APM-424(V)4 Interrogator/Transponder Test Set (Including Mode S ELS/EHS) for sale or rent at most competitive price. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus Viavi / Aeroflex APM-424(V)4 or receive trade-in credit towards purchase of other test equipment.


Viavi / Aeroflex APM-424(V)4 Features and Specifications *

The Aeroflex / IFR APM-424(V)4 is fully compliant with DoD AIMS standards for testing Mark XIIA performance of Mode 4 equipment, DO-260B ADS-B Out performance, and ICAO Annex 10 international standards for Mode S ELS/EHS performance. It is a cost effective, highly accurate upgrade to fielded test sets because it closely replicates legacy operation for utilization of existing procedures.


The APM-424(V)4 is designed with 20-character 4-line display which provides for easily viewable data and parametric measurements.


  • DO-260B compliant; ADS-B Out test capability
  • Automated MTL measurement
  • Hand-held, battery powered and lightweight (<11 lbs)
  • Transponder Test Set Modes 1, 2, 3/A, C, 4, S (including ELS and EHS)
  • Parametric test results can be stored for downloading to a PC for review or maintenance logging
  • Interrogator Test Set Modes 1, 2, 3/A, C, 4, S,TCAS, ETCAS
  • Mode 5 upgradable
  • Self-diagnostic
  • TS-4542 shipboard interrogator test capability 


* Viavi / Aeroflex APM-424(V)4 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 APM-424(V)4 such as the models sold by Avionteq.

This product requires export license if intended for shipment outside of United States. It is responsibility of the buyer to obtain all required permits and licenses to comply with all applicable laws and regulations.


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