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NSN Number: 6625-01-570-9588




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Buy, sell, trade-in or rent Tel-Instruments (TIC) TR-420 Ramp Test Set


Avionteq offers both new and refurbished or used Tel-Instruments (TIC) TR-420 Ramp 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 Tel-Instruments (TIC) TR-420 or receive trade-in credit towards purchase of other test equipment.


Tel-Instruments (TIC) TR-420 Features and Specifications *


The TR-420 (Multi-function including Mode 5) Ramp Test Set is the next generation of avionics support equipment. The TR-420 is a battery powered portable unit used to test the operation of Transponders and Interrogators including: IFF (with Mode 5) Mode S Transponders, EHS, and ADS-B. TACAN/DME, ADS-B Transmit/Receive and TCAS testing functionality are also offered as part of the standard test set capability. Tests of both Transponders and Interrogators can be performed by using the TR-420 hand held antenna to radiate to and from the unit-under-test (UUT) or by directly connecting to the UUT antenna port. The TR-420 employs a user interface with a large 5.7 in. color LCD screen and surrounding soft-keys. This allows for easy and quick access to a multiple of test screens menus and display options.


  • IFF (including Mode 5)
  • Mode S, EHS, ADS-B
  • Built in GPS provides Accurate Date, TOD and LAT/LONG for positioning
  • Battery provides hours of constant operation
  • Large 5.7 in. color LCD screen, soft-keys and keyboard
  • Rugged and durable MIL-PRF-28800F, Class 1 package
  • Remote Software/Firmware upgrades
  • MILSPEC Tested and Approved


* Tel-Instruments (TIC) TR-420 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 TR-420 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