Why the Viavi ALT-9000 is the Go-To Altimeter Test Set for Aviation Professionals

The Viavi ALT-9000 is a next-generation, all-digital radio altimeter test set trusted by technicians and MROs worldwide. Whether you're performing scheduled maintenance or troubleshooting issues on the flight line, this compact, accurate, and automated tester is designed to deliver results fast.

What is the ALT-9000?

The ALT9000 is an advanced, portable test set used to check and validate radio (radar) altimeters on commercial, military, and business aircraft. Unlike analog testers, the ALT-9000 uses digital RF signal generation for more reliable and repeatable results.

Key Features

• All-digital RF signal generation
• Works with all pulse-type radio altimeters
• Automated pass/fail testing
• Touchscreen interface with report export
• Built-in GPS and data logging
• Portable, rugged design for flight line use

Why Technicians Love It

• Faster testing with minimal setup
• Accurate diagnostics with digital precision
• Easy to use – less training required
• Supports DO-160 & MIL-STD compliance

The ALT9000 simplifies and speeds up testing, making it ideal for Part 145 repair stations and airline maintenance crews.

Supported Systems

The Viavi ALT-9000 works with radio altimeters from:

• Collins Aerospace
• Honeywell
• Thales
• FreeFlight
• Garmin …and many more

Get the ALT-9000 at AvionTEq

We offer new and refurbished ALT-9000 units, including calibration and full support. Request a quote now.