Tel-Instrument Electronics Corp. (TIC) is a recognized world leader in the design and manufacture of avionics test equipment. Tel-Instrument has a 60 year tradition of leadership and innovation and the company continues to expand its product line and services to meet emerging customer needs. We offer solutions for most civil or military applications and verification and certification of nearly every system.
From concept and design, through manufacturing, final assembly and quality inspection, our customers trust us to provide the latest technology with superior reliability, versatility and performance. We provide products and services to the individual, corporate and military customers based on their requirements, industry and government guidelines and extensive knowledge developed by working closely with the user and including them in the design and development process.
TEL-INSTRUMENT TEST SOLUTIONS
Tel-Instrument has a diverse range of products and services supporting the needs of OEM's, Military, and Avionic Shops around the world. Innovative new products including precison Bench Test solutions, Ramp Testers and ARINC 429 Databus Analyzers are available. Systems supported incude:
- Transponder and Interrogator for Modes 1, 2, 3, C, 4, S and now MODE 5
- EHS, ELS, ADS-B TX & RX
- TCAS
- TACAN
- DME
- Communication (VHF & UHF)
- Navigation including VOR. ILS, LOC & MB
- Sonobuoy
- ARINC 429 Databus Analyzers
Visit our product page for a complete listing of our
Commercial, Military and Databus Analyzer products.
Commercial, Military and Databus Analyzer products.
Product Annoucements
New Avionics Ramp Test Sets - The Rollout of IFF Mode 5
The Rollout of IFF Mode 5

Tel-Instrument has announced a new advanced avionics ramp test set, the TR-420 with IFF Mode 5 support and Mode S EHS test capability, both of which are new military requirements. The TR-420 provides auto and manual Interrogator and Transponder IFF testing, plus 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 TR-420 test set capability. The TR-420 is Tel’s commercial product which is derived from the company’s current Navy contract for the USM-708, which includes all of these functions, plus additional NAV/COMM/Sonobuoy and Shipboard tests.
Available
AN/ARM-206 Automated Test Equipment (ATE)
The AN/ARM-206 is the military avionics industry’s first fully automated TACAN test set and is designed for depot and intermediate level support. It supports automated testing of the AN/ARN-118, the AN/ARN-136 and the AN/ARN-153 airborne TACAN units. It replaces the legacy AN/ARM-155; AN/ARM-156; AND 972V-1 TACAN test sets. 


