Surface Modeller: Automated Obstacle Limitation Surfaces (OLS) Software
A comprehensive toolkit for the creation, analysis, and review of flight procedure surfaces. Our Obstacle Limitation Surfaces software is fully compliant with ICAO PANS-OPS and FAA TERPS, working natively inside your CAD environment.
No Black Boxes. Total Transparency.
Unlike other Obstacle Limitation Surfaces software, Surface Modeller never hides the math. We reveal intermediate calculations—such as GNSS parameters and OAS constants—so you can validate every step of your PANS-OPS design against ICAO Doc 9906.
Designer Control: You can override ICAO recommendations. We will warn you, but we won’t stop you from designing non-standard procedures when necessary.
Comprehensive Surface Capabilities: CRM, OAS, and PBN
A clutter-free interface that keeps your design area clear. Most interactions occur within two dockable windows.
The Tools Tree
When a specific OLS tool is selected, only relevant properties appear, streamlining your flight procedure design workflow.
Context-Aware Properties
When a tool is selected, only the relevant properties appear.
No Black Boxes. Total Transparency.
Segments
- Arrival & Initial
- Intermediate
- Missed Approach
- Visual Segments
- Visual Circling
Turns & Templates
- Wind Spiral
- Base Turn
- Racetrack
- 45°-180° Reversal
- 80°-260° Reversal
Advanced PBN
- RNP Approaches (LNAV, BaroVNAV)
- RNAV Protection Turns
- Precision Segments (ILS, GBAS, SBAS)
- DME/DME Coverage
Terminal Area
- Holding Buffer & Area
- Terminal Arrival Areas (TAA)
- Minimum Sector Altitudes
- Aerodrome/Heliport
Ensure Safety & Compliance
For more information and to discuss your requirements, or to arrange a demonstration please get in touch.