1203C GNSS/SBAS Receivers

Designed for Integrity —

Advanced GPS spoofing recovery RAIM Integrity Monitoring Expanded SBAS Support

Not Just Availability

Safe and Predictable Flight Operations

Some GNSS solutions focus on basic signal reception. FreeFlight’s 1203C is engineered to go further—supporting navigation integrity and recovery, not just connectivity by providing reliable position and timing data during: 

  • Dense and complex airspace operations
  • Precision approaches and critical flight phases
  • GPS‑challenged or degraded signal environments

By maintaining integrity and continuity, the 1203C helps reduce uncertainty when situational awareness is critical.

FreeFlight Systems 1203C helps reduce uncertainty when situational awareness is critical.
1203C GNSS/SBAS Receiver is retrofit‑ready

Retrofit & Fleet Flexibility

Minimizing downtime and fleet disruption during aircraft modernization with the 1203C. Approved across a wide range of platforms, it integrates seamlessly into both legacy and new platforms without unnecessary complexity.

  • Multi-interface design for easier avionics integration
  • SWaP Optimized: Small, lightweight, Low power
  • LPV-Certified Accuracy
  • Regulatory Ready: FAA, ICAO, and Eurocontrol compliant
  • Supports KASS, SouthPAN, and other SBAS systems
  • Multiple STCs available
  • Supports fixed-wing, rotorcraft, military and UAMs

Backed by FreeFlight Systems’ avionics expertise, the 1203C is trusted by operators worldwide for reliable navigation performance across diverse missions and platforms.

1203C GNSS/SBAS Receiver provides global navigation confidence to pilots.
Enhanced Navigation Performance

Elevating situational awareness while minimizing risk, the 1203C SBAS/GNSS receiver delivers dependable navigation for retrofit aircraft worldwide. Powered by a high‑performance 15‑channel GPS engine, it enhances signal accuracy, reliability, and integrity—reflecting FreeFlight Systems’ commitment to safety and operational excellence.

Uninterrupted Navigation Starts Here

If you’re looking for a high-performance GNSS/SBAS retrofit solution that delivers dependable navigation to pilots today—with a design engineered to evolve alongside future airspace demands— let’s discuss how the 1203C can fit into your aircraft modernization plans.

1203C Frequently Asked Questions

The 1203C is approved for use across a wide range of platforms, including fixed-wing, rotorcraft, military aircraft, and emerging UAM vehicles. It supports both retrofit and forward-fit installations. View the STC page for aircraft specific retrofit needs. 

Yes. When paired with a compatible Mode S transponder, the 1203C serves as a certified position and timing source for ADS-B Out systems, meeting global ICAO requirements.

Absolutely. The receiver is LPV-certified, enabling vertical guidance without reliance on ground-based navigation aids.

The 1203C supports multiple SBAS constellations, including WAAS, EGNOS, GAGAN, MSAS, SouthPAN, and KASS, ensuring global coverage and precision.

It includes built-in recovery mechanisms for minor active spoofing events, maintaining navigation integrity in compromised environments.

Field data shows a predicted MTBF of 36,443 flight hours, with actual performance exceeding 100,000 hours—minimizing downtime and maintenance costs.

Yes. The receiver is an approved position source for TAWS, FMS, RNP, and CPDLC timestamping applications.

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