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Geoawareness

Through Mission Planner it is possible to handle the mandatory proximity warnings to the No-Fly-Zones defined by the European Normative.

Upload the No-Fly Zones​

While the European Authority has defined the format for No-Fly Zones, it has not yet provided a shared database accessible to all drone operators. However, Mission Planner allows you to define local No-Fly Zones using the approved format.

Steps to Upload No-Fly Zone Definitions:​

  1. Create a JSON file containing the No-Fly Zone definitions following the format approved by the European Authority.

  2. Name the file: eunfz.json

  3. Place the file in the folder: Program Data\Mission Planner (This folder is hidden on the C drive.)

HERCULES X8 Drone

Figure 40. Upload the No-Fly Zones

At startup, Mission Planner will attempt to read the file eunfz.json located at:Program Data\Mission Planner

Geoawareness Operating Status​

The Geoawareness system may be off in the following cases:

  1. The eunfz.json file is not found in the specified location.
  2. The polygon definitions within the eunfz.json file do not follow the correct syntax.

GPS Signal Loss​

If the drone loses GPS signal:

  • The Geoawareness polygons will still appear on the HUD.
  • However, the system cannot compute the drone's distance relative to the Geoawareness polygon boundaries due to the unknown position.

In this scenario, a navigation failsafe will trigger. For more details, refer to PART C, section 5.3.

Threshold to Alert​

Mission Planner is configured to throw a proximity warning when the drone is within 200 meters of the NFZ boundary. However, due to certain factors, the minimum distance at which the system can issue a proximity warning is 180 meters.

Key Factors Affecting the Warning Distance:​

  • Proximity Warning Check Refresh Rate: The system checks for proximity at intervals, which may impact the warning timing.
  • Drone's Maximum Speed: The speed at which the drone can move affects the timing and ability to issue a warning.
HERCULES X8 Drone

Figure 41. Threshold to Alert

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Mission Planner is designed to issue a warning when the drone is at least 180 meters away from the NFZ boundary, considering the above factors.

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