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About This File

X-RAAS is an open-source plugin that simulates the Honeywell Runway Awareness and Advisory System. Version 2.0 is a complete from the ground-up rewrite of the original X-RAAS FlyWithLua plugin. Please note that this is not just an upgrade of the old plugin and cannot be simply downloaded and plastered over the old 1.0 version. See below for details on how to install this plugin.


X-RAAS2 is a standalone plugin written in C and as such no longer requires FlyWithLua. To install the plugin, unzip the contents into: <X-Plane>/Resources/plugins. If you have been using X-RAAS 1.0, be sure to remove it from FlyWithLua/Scripts, otherwise you will get strange doubled annunciations.


  • X-Plane 10 & 11 compatible
  • New configuration GUI: no need to mess around with config files anymore. The config files method is still supported, refer to section 2.1 of the included user manual for details on how to migrate existing customizations from version 1.0.
  • Much improved performance: no more stuttering when Lua decides to collect garbage on slow systems.
  • No more audio compatibility issues: this resolves audio compatibility issues with 3rd party addons such as Ground Handling Deluxe and the LES SAAB 340A (among others).
  • More sensible automatic scenery alteration detection and scenery data cache rebuild. The cache rebuild is now also much faster.
  • Much more fine-grained control over each RAAS monitor.
  • Nicer text rendering and substitutable fonts & sizes.
  • Ability to switch between "LONG LANDING" and "DEEP LANDING".
  • User manual rewritten in LaTeX with clickable hyperlinks.
  • Much more streamlined embedding into 3rd party aircraft avionics. The avionics integration guide is now a separate PDF manual with much more detail on how fine-tune the embedded software and how it compares to and interacts with a stand-alone installation.


The video below is from version 1.0, but version 2.0 features virtually all identical annunciations.


X-RAAS2 is open-source software distributed under the terms of the Common Development and Distribution License ("CDDL"), version 1.0. The license text is included in the ZIP package under Documentation/COPYING.

What's New in Version 2.0.3   See changelog


  • Enhanced airport data cache creation telemetry to help with debugging.
  • Added fallback loading from default data on XP11 in case custom navdata is present, but empty.
  • Fixed incorrect custom CIFP database location.
  • Removed duplicate "ON 35R" line from sample message encodings in avionics manual.
  • Fixed incorrect message colors in sample message encodings in avionics manual.
  • Fixed regression where long landings would always display DEEP LANDING on the ND.

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