Avionics Test & Measurement Equipment
For commercial and military flight operations alike, safety and security depends on flawless performance of avionic systems, fully integrated sensors, reliable communication, high-speed data links and high-precision navigation aids of the latest generation.

Antenna Analysers
Antenna analysers provide many useful readings that aid in the tuning and efficiency optimisation of an antenna system.
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Avionics Couplers
VIAVI offers an array of antenna couplers to provide isolation for consistent testing and to prevent interference with Air Traffic Control and other aircraft.
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Avionic Signal Generators
A signal or function generator is a device that can produce various patterns of voltage at a variety of frequencies and amplitudes. Most function generators allow you to generate sine, square or triangular AC function signals.
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DME Test Sets
Distance measuring equipment (DME) is a radio navigation technology that measures the slant range (distance) between an aircraft and a ground station by timing the propagation delay of radio signals in the frequency band between 960 and 1215 megahertz (MHz).
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Flight Line Test Sets
Reliable R&D, flight line, factory and return-to-service test solutions.
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Military Test Sets
VIAVI is a supplier of mission critical test equipment for aircraft avionics. They design and manufacture a variety of test systems that reduce the cost of maintenance and increase mission readiness.
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Fuel Quantity Interfaces
Check the accuracy of your fuel quantity system quickly and with confidence.
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TACAN Test Systems
A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system used by military aircraft. It provides the user with bearing and distance (slant-range or hypotenuse) to a ground or ship-borne station.
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TCAS Test Sets
A traffic collision avoidance system or traffic alert and collision avoidance system is an aircraft collision avoidance system designed to reduce the incidence of mid-air collisions between aircraft.
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Radio Altimeters
A radar altimeter (RA), radio altimeter (RALT), electronic altimeter, or reflection altimeter measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to travel to ground, reflect, and return to the craft.
Find out more about Radio Altimeters