Low-Level Aviation Risk Index

Real-time obstacle reporting statistics for helicopter operations

439 obstacles currently tracked | Last updated: 2026-05-22 19:01 UTC

0

Last 7 Days

21

Last 30 Days

263

Last 90 Days

0.7

Avg. per Day

Most Common Obstacle Types

Type Count Percentage
UAV 187 42.6%
HFCA 64 14.6%
Obstacle 63 14.4%
Bird Protection Zone 43 9.8%
Animal Protection Zone 37 8.4%
Restaurant 22 5.0%
Special Areas 11 2.5%
Restricted 7 1.6%
Hazard 3 0.7%
Protected Area 1 0.2%

Regional Density

Region Reports Density
Unknown 293 High
Germany 141 High
Austria 4 Low
Germay 1 Low

Obstacle Geometry Distribution

Types of obstacles reported (markers, areas, lines, etc.)

158
marker
116
polygon
96
text
56
line
13
circle

Methodology & 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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