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FLARM is a collision avoidance system developed by glider pilots. FLARM warns if there is a collision hazard from terrain (optional), other FLARM-equipped gliders and other aircraft (ADS-B & transponder). It also gives the location of non-threatening nearby FLARM-equipped gliders. FLARM is programmed with intelligence to understand the unique flight characteristics of gliders so it stays quiet unless there is a real hazard.
- Orange symbols mean more hazardous traffic, relative altitude is depicted above or below the symbols, +03 means 300 feet above.
- green symbols depict not so relevant traffic. The darker ones are underneath, the brighter ones above
- not all received traffic is shown, only relevant FLARM- or ADS-B targets
This screen shows a possible collision with another Flarm equipped aircraft is detected. The aircraft is at your 11 o'clock position and higher than you. If there is more than one threat; e.g. several gliders are thermalling at your 11 o'clock then a number will appear in the red circle to indicate the number of detected Flarm-equipped aircraft.
FLARM now shows a possible collision with a Mode-C/S aircraft. Relative altitude and distance approximation are shown. The red circle around the aircraft-symbol pulsates. This graphic indicates the threat is 200 feet higher then you and approximately 1.2 km away.
FLARM is indicating a possible collision with an obstacle up ahead.
FLARM configuration tool
Sailplane FLARM Mode S address lookup (enter you N number)
Radio Range FLARM Analysis Tool