Ground Obstacle Validation Survey & Data Collection
![](https://globalairspacesolutions.com/wp-content/uploads/2014/10/Survey-photo2.jpg)
We collect and validate all necessary aeronautical, terrain and obstruction data. Runway ends, nearby obstructions and other critical points can also be checked by our survey team if required.
![](https://globalairspacesolutions.com/wp-content/uploads/2014/10/ols2.jpg)
Supply of Runway OLS (Obstacle Limitation Surface) and VSS (Visual Segment Surface) Obstacle Charts
![](https://globalairspacesolutions.com/wp-content/uploads/2014/10/ial2.jpg)
Visual Segment Surface Data – VSS for all straight in instrument approaches