AirNav RadarBox Data Sources: FLARM & HFDL

FLARM & HFDL Coverage Map
As an industry pioneer, AirNav RadarBox currently has 14 data sources, including ADS-B, UAT 978, ASDE-X, EUROCONTROL, FAA SWIM, and MLAT, ensuring data redundancy that directly impacts the quality and reliability of our data.
This week, we'll be featuring FLARM and HFDL (High-Frequency Data Link system) data sources in our blog. Continue reading to learn more!
HFDL (High-Frequency Data Link Systems)
HFDL position reports are received from a High-Frequency Data Link system. Air traffic controllers can communicate with pilots via a datalink. Aircraft and ground stations make use of high-frequency radio signals to communicate.

HFDL (High-Frequency Data Link Systems) Coverage Map
FLARM
FLARM, an acronym based on 'flight alarm,' is a traffic awareness and collision avoidance technology for General Aviation, light aircraft, and UAVs. Real-time FLARM position data is currently only provided upon request.

FLARM Coverage Map (Europe)
AirNav RadarBox Global Coverage
AirNav RadarBox Global Coverage Map
Our flight data is aggregated from 14 different sources to ensure tracking continuity, accuracy, and redundancy, including:
- 1 - ADS-B (Satellite-based)
- 2- ADS-B (Ground-based)
- 3 - FAA SWIM
- 4 - Eurocontrol
- 5 - MLAT
- 6 - ADS-C
- 7 - HFDL
- 8 - FLIFO
- 9 - ASDE-X
- 10 - FLARM
- 11 - Australia ANSP
- 12 - Oceanic
- 13 - UAT 978 MHz
- 14 - FAA Flight Plans



