Set up virtual airspace boundaries and receive instant alerts when aircraft enter, exit, or dwell in your monitored zones.
A geofence is a virtual boundary around a geographic area. In aviation, geofences create monitored zones in airspace — when an aircraft crosses the boundary, the system triggers an alert. This is used for airport perimeter security, restricted airspace monitoring, VIP protection, drone detection zones, and temporary flight restriction (TFR) compliance.
Unlike physical fences, geofences are invisible, configurable, and can be created, modified, or removed instantly. AeroScope checks every tracked aircraft against all active geofences every 12 seconds.
Define a center point (latitude/longitude) and a radius in nautical miles. Simple and effective for point-based monitoring — airports, facilities, events.
Define a series of vertices to create an irregular boundary. Use for oddly-shaped restricted areas, flight corridors, or complex perimeters that circles can't represent.
| Alert | Triggers When | Use Case |
|---|---|---|
| ENTRY | An aircraft enters the zone boundary | Intrusion detection, approach monitoring |
| EXIT | An aircraft leaves the zone boundary | Departure monitoring, escort tracking |
| DWELL | An aircraft remains inside the zone beyond a threshold | Loitering detection, surveillance monitoring |
Monitor a 5 NM perimeter around an airport. Get ENTRY alerts for all aircraft approaching, with elevated threat scoring for low-altitude, non-standard approaches.
Create a no-fly zone around major events. Detect drones and unauthorized aircraft. Combine with UAV detection for comprehensive airspace protection.
Monitor restricted airspace around military installations. Track all civilian aircraft entering the zone and flag military patterns (orbits, racetracks).
Power plants, government buildings, data centers. Set small geofences with tight DWELL thresholds to detect surveillance or loitering aircraft.
Create long polygon zones along borders or coastlines. Track cross-border flights and unusual low-altitude activity.
Define study areas for academic research — count transits, measure traffic density, collect data for specific geographic regions.
Geofence alerts are enriched with AeroScope's full analysis pipeline. Each alert includes the aircraft's threat score, drone confidence, pattern classification, signal integrity, and emissions data. This means you don't just know that an aircraft entered your zone — you know what kind of aircraft, how threatening it is, and what it's doing.
Geofence events can also trigger webhook deliveries to external systems (Slack, Discord, Teams, Telegram, or custom HTTP endpoints).