24 Chapter 2 Flight Safety
An aircraft in flight has a specific initial velocity. To prevent the aircraft from accidentally entering
no-fly zones (before unlocking) and warning zones, a buffer zone with a horizontal distance of
200-meter and a vertical distance of 120-meter is set beyond the boundaries of these zones in
the geofencing system.
Table 2-3 Buffer Zone Details
Buffer zones of no-fly zones
When an aircraft flies from the outside toward a no-fly zone:
When the aircraft approaches the buffer zone boundary, the
Autel Enterprise App will display a warning alert says “The
aircraft is close to the no-
fly zone.” and the aircraft will
automatically start to decelerate and eventually brake and
hover within the buffer zone.
Buffer zones of warning
zones
When an aircraft flies from the outside toward a warning zone:
The aircraft can directly fly into the restricted altitude zone
without limitation.
When the aircraft approaches the warning zone boundary, the
Autel Enterprise App will display a warning alert says “The
aircraft is close to the warning zone
warning zone, the App will display “Aircraft enters warning
zone” to remind users to be cautious.
Note
When there is a GNSS signal, if an aircraft accidentally enters a no-fly zone while the aircraft
is still locked from the zone, the aircraft will automatically land upon regaining the GNSS
signal. During the landing process, the throttle stick will not work, but you can control the
horizontal movement of the aircraft.
When there is no GNSS signal, if an aircraft accidentally enters a restricted altitude zone,
the aircraft will automatically descend to the altitude limit upon regaining the GNSS signal.
During the descending process, the throttle stick will not work, but you can control the
horizontal movement of the aircraft.
When an aircraft is hovering in the buffer zone, you can control the aircraft to exit the buffer
zone along the normal direction of the boundary.
For flights in an unlocked zone, if an aircraft is within the authorized airspace and validity period
specified in the permit, the aircraft can fly normally in the zone. Once the aircraft flies beyond
the authorized airspace or reaches the validity period, the aircraft will comply with the airspace
restrictions of the current area.
UGZ Import
The aircraft supports for importing the UGZ (UAS Geographical Zones) file, if users get the no-fly
zone data files of their own country or region, they can upload the data to the aircraft's flight
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