Obstacle Limitation Surface Surveys


JASKO’s qualified staff carry out Mandatory annual OLS surveys for Certified and Registered Aerodromes to check for penetrations of surfaces. The surveys are done as part of technical inspections or can be provided as a stand-alone service. The OLS surveys are in accordance with MOS Part 139 requirements and include:

  • Survey of the Approach, Take-off, Transitional, Inner Horizontal, Conical, Outer Horizontal, Baulked landing areas, Inner Transitional, VSS, OAS;
  • Survey of as-constructed pickups;
  • Validity of PAPI systems.