Aerodrome Obstacle
Evaluation Made Simple
Procedurally generate aerodrome surfaces. Evaluate OLS, OFS/OES, VSS, NAVAIDs BRA and custom surfaces such as airspaces, modified OLS and PANS-OPS. ICAO compliant, user-friendly, and cloud-based - take it anywhere, anytime.
Aerodrome Safeguarding Applications
Everything you need for comprehensive aerodrome obstacle evaluation and control

OLS Evaluation
ICAO Annex 14 compliant Obstacle Limitation Surface evaluation

OFS/OES Evaluation
ICAO Annex 14 OFS and OES evaluation based on revised ICAO Annex 14 OLS SARPS (2025)

Visual Segment Surface
Evaluate Instrument Approach Procedure Visual Segment Surfaces

Building Restricted Areas
NAVAIDS Building Restricted Areas evaluation based on ICAO EUR DOC 015

Custom Surfaces
Analyze user-defined surface geometries such as airspaces, modified OLS and PANS-OPS

Data Management
Manage airports, runways, navaids, and modified OLS criteria in one platform
How It Works
Start evaluating obstacles in minutes
Import Your Data
Import your airport, runways and NAVAIDs, upload your own geometries or use our built-in data management tools to create your dataset
Select Your Analysis
Choose from OLS, OFS/OES, VSS, BRA, or custom surface evaluation based on your requirements
Add Obstacles
Add obstacles by clicking on the map, entering obstacle details or uploading a JSON or CSV file (CSV headers are automatically detected)
Evaluate and Generate Reports
Click evaluate and get instant results. Add results to your reports and export them as PDF or document.
Share With Your Group
Create or join a group and share your airports, NAVAIDs, custom surfaces and reports with your team.
Get in Touch
Have questions about AOI Web Pro? Need help with your airports or creating surfaces?
Our team is here to help you understand how our platform can streamline your obstacle evaluation process.
hello@aoiweb.pro
Location
We are based in Wellington, New Zealand
Send us a Message
Fill out the form below and we'll get back to you within 24 hours.




