Low-Level Aviation Risk Index
Real-time obstacle reporting statistics for helicopter operations
450 obstacles currently tracked | Last updated: 2026-04-03 18:43 UTC
2
Last 7 Days
232
Last 30 Days
292
Last 90 Days
7.7
Avg. per Day
Most Common Obstacle Types
| Type | Count | Percentage |
|---|---|---|
| UAV | 205 | 45.6% |
| HFCA | 64 | 14.2% |
| Bird Protection Zone | 43 | 9.6% |
| Animal Protection Zone | 37 | 8.2% |
| Protected Area | 32 | 7.1% |
| Obstacle | 23 | 5.1% |
| Restaurant | 20 | 4.4% |
| Special Areas | 11 | 2.4% |
| Hazard | 9 | 2.0% |
| Restricted | 6 | 1.3% |
Regional Density
| Region | Reports | Density |
|---|---|---|
| Unknown | 333 | High |
| Germany | 113 | High |
| Austria | 3 | Low |
| Germay | 1 | Low |
Obstacle Geometry Distribution
Types of obstacles reported (markers, areas, lines, etc.)
214
marker114
polygon96
text14
line12
circleMethodology & Data Sources
Data Collection
- Community-reported obstacles from helicopter pilots
- Verified low-level flight hazards
- Real-time reporting via HeliTool platform
- Coordinates in DD, DMS, and MGRS formats
Analysis Parameters
- Time-based trending (7/30/90-day windows)
- Geographic density analysis
- Obstacle type categorization
- Updated continuously with new reports
For Research Use: Academic institutions can access dataset exports via our
Research Data page.
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