Obstruction Evaluation

Our team of experts specializes in analyzing and assessing compliance with Federal Aviation Regulation criteria outlined in 14 CFR FAR §77. We specifically focus on tall structures such as wind turbines, communication towers, utility poles, and buildings at or near airports or critical FAA or National Airspace System (NAS) infrastructure. By utilizing advanced GIS software, we conduct precise analyses to accurately assess the impact of structures on the surrounding airspace as we file and manage your cases with the FAA’s OE/AAA (Obstruction Evaluation/Airport Airspace Analysis) office. Through our comprehensive reports, we provide clear and informative previews of what to expect during the OE/AAA process and ultimately the likelihood of obtaining a routine FAA approval letter. In cases where structures exceed Obstruction Standards, we can also initiate the FAA extended aeronautical process and work with clients to asses the challenges and mitigation strategies required to accommodate these structures.

Our approach emphasizes close coordination with developers, stakeholders, and government agencies to ensure a seamless and favorable FAA determination process. With our extensive experience, we navigate the regulatory requirements and streamline the approval process while maintaining FAA compliance. Our aim is to save you time and prevent any surprises during the planning timeline of your project.

Specific Areas of Expertise:

  • OEAAA case management.
    – Proposed and Temporary structures
    – NOTAMs
  • ATC procedure analysis
  •  Airspace impact studies
    – FAR Part 77 Imaginary Surfaces
    – Traffic Pattern Airspace
    – Enroute Airways
    – Minimum Vectoring Altitudes
    – Military Airspace and Training Routes
    – Instrument Approach and Departure Procedures
  • Radar & NAVAID Line of Sight Analysis and Interference Assessments
  • Airport Land Use Compatibility Studies