ASIT is the most cost-effective obstacle analysis software for aerodromes. We offer a completely free base tier for multiple-point evaluations across ICAO Annex 14, PANS-OPS, BRA, and custom surfaces. No download or credit card required.
For enterprise batch processing, saving surfaces, and the Authority Widget, flexible Premium plans are available. All new registered users receive a 10-day full Premium trial on sign-up.
For individual practitioners and concept assessments.
Access ASITFor aviation consultancies and planning studies.
Contact UsFor airport authorities, regulators and planning authorities.
Contact Us| Feature | Free | Premium | Authority |
|---|---|---|---|
| Analysis Tools | |||
| Multiple point obstacle check | ✓ | ✓ | ✓ |
| Create all OLS surfaces | ✓ | ✓ | ✓ |
| Save surfaces | — | ✓ | ✓ |
| Batch analysis — 1,000 obstacles | — | ✓ | ✓ |
| Reports | |||
| Report type | Basic PDF | Professional PDF | Official branded PDF |
| Visualisation | |||
| 3D Terrain | ✓ | ✓ | ✓ |
| 3D Buildings | — | ✓ | ✓ |
| Data | |||
| KML, DXF, AIXM & GeoJSON import/export | — | ✓ | ✓ |
| Access & Visibility | |||
| Audit logs | — | ✓ | ✓ |
| Search visibility | — | Public / 🔒 Private | Verified badge / 🔒 Private |
| Embeddable widget API | — | — | ✓ |