FlightSafety
This section contains information about Flight Safety with XBLink Duo.
GCS Failsafe
When you make a BVLOS flight in an area with weak cellular or satellite signals, a disconnection between the UAV and Ground Control Station may occur. XBLink Duo will automatically failover between its dual cellular networks (SIM 1, SIM 2) or reconnect to the satellite network to maintain the connection.
If you fly in an area with a prolonged loss of all network connections (both cellular and satellite), UAVs return (RTL) is necessary. So, the best way to achieve safe flight is to activate GCS Failsafe on your UAVs.
The Ground Control Station (GCS) failsafe controls how UAVs will behave if contact with the GCS is lost. The GCS failsafe monitors the time since the last MAVLink heartbeat from the GCS. If no heartbeat is received for FS_GCS_TIMEOUT seconds (Default seconds), the GCS failsafe event will trigger based on your parameter settings. Note that if no GCS is ever connected, the GCS failsafe will remain inactive regardless of parameter settings.
Please read the Ardupilot documentation carefully to activate GCS Failsafe.
Copter
FS_GCS_ENABLE = 1 (Ground Station Failsafe Enable, switch the copter to RTL Mode. If the GPS position is not usable, the copter will change to Land Mode instead.)
FS_GCS_TIMEOUT = 35 (Timeout before triggering the GCS failsafe. 35 seconds is the time to automatically failover between the Cellular networks and the Satellite module in XBLink Duo.)
Plane
FS_GCS_ENABL = 1 (GCS failsafe enable)
FS_LONG_TIMEOUT = 35 (The time in seconds that a failsafe condition has to persist before a long failsafe event will occur. 35 seconds is the time to automatically failover between the Cellular networks and the Satellite module in XBLink Duo.)
FS_LONG_ACTN = 1 (ReturnToLaunch)
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