TERRAIN SERIES
5G RESILIENT RADAR ALTIMETERS

5G-Resilient Altitude

Install Faster Integrate Cleaner Deliver Confidence

Built for Retrofit Efficiency

FreeFlight Systems Retrofit-friendly 5G Resilient Radar Altimeters

Designed for the Realities of Today’s Install Bays

Terrain Series radar altimeters are engineered to help avionics dealers and installers reduce installation complexity while delivering high-performance, 5G-resilient altitude data to customers operating in RF-dense airspace.


From reuse of existing antennas and indicators to robust digital signal processing that minimizes troubleshooting, Terrain Series is purpose-built to streamline retrofit programs—without compromising performance or compliance.

Why Installers Choose Terrain Series

Terrain Series Retrofit-ready for analog and digital cockpits
Terrain Series 5G Resilient Radar Altimeters
Terrain Series advanced DSP and high-fidelity embedded RF filtering provide reliable and accurate Altitude Above Ground Level (AGL) for Emergency Response aircraft
Retrofit-Optimized by Design
  • Reuse existing antennas, wiring, and indicators where approved
  • Minimize structural changes and installation hours
  • Ideal for analog-to-digital cockpit transitions
Cleaner Installs, Fewer Surprises
  • Advanced DSP and high-fidelity embedded RF filtering
  • Reduced susceptibility to 5G and RF interference
  • Predictable performance in challenging environments
Multi-Interface Flexibility
  • Supports a wide range of cockpit architectures
  • Seamless integration with legacy and modern avionics
  • Simplifies configuration across mixed fleets

 

Built for What’s Next
  • Engineered to support evolving tolerance requirements
  • Future-ready performance protects customer investment
  • Confidence selling into long lifecycle aircraft platforms

Why Pilots and Fleet Operators Choose Terrain Series

With an all‑new digital architecture, TERRAIN Series radar altimeters deliver reliable, true Altitude Above Ground Level (AGL) with flexible integration across diverse avionics systems—providing proven, forward‑looking surveillance and navigation solutions that extend beyond today’s requirements.

  • Clear 5G resilience without added system complexity
  • Proven performance in low‑visibility and RF‑dense environments
  • Retrofit‑friendly designs that help minimize downtime and control installation costs
Ready to Take the Next Step? 

Learn how Terrain Series radar altimeters can simplify your retrofit programs and help you deliver reliable altitude performance—today and into the future.

Avionics Dealers

Authorized Reseller Request

SelCal Decoders from FreeFlight Systems are ideal any aircraft to enhance safety and efficiency.