2025

xp2gdl90

High-performance X-Plane 12 plugin that broadcasts real-time flight data in GDL90 format to ForeFlight, Garmin Pilot, and other EFB apps.

Overview

A native C++ X-Plane 12 plugin that encodes ownship position, altitude, speed, and heading into GDL90 UDP packets in real time. Cross-platform (Windows, macOS Universal, Linux) with an in-sim settings UI, JSON config persistence, and minimal CPU overhead.

Highlights

• Real-time GDL90 UDP broadcast at configurable rates
• Compatible with ForeFlight, Garmin Pilot, WingX, FltPlan Go
• Cross-platform: Windows, macOS Universal binary, Linux
• CRC-16-CCITT framing & byte-stuffing per GDL90 Rev A
• In-sim settings panel, JSON config, < 0.1% CPU overhead