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Visit the FAA’s Obstruction Evaluation / Airport Airspace Analysis webpage for more information regarding whether or not you will need to file FAA Form 7460-1.Īdditional information can be found on the Washington State Department of Transportation obstruction evaluation webpage. Construction or alteration located on a public-use airport or heliport regardless of height or location.Highway, railroad or other traverse way whose prescribed adjusted height would exceed the above-noted standards.Within 5,000 feet of a public use heliport that exceeds a 25:1 surface.Within 10,000 feet of a public use or military airport that exceeds a 50:1 surface from any point on the runway of each airport with its longest runway no more than 3,200 feet.

Within 20,000 feet of a public use or military airport which exceeds a 100:1 surface from any point on the runway of each airport with its longest runway more than 3,200 feet.

Construction or alteration exceeding 200 feet above ground level.

If you have questions regarding your project, please contact the Airport Manager at 50.Īccording to 14 CFR Part 77.9, any person or organization must notify the FAA Administrator if they intend to sponsor any of the following construction or alterations: Obstruction evaluations often apply to buildings, antennas, towers, cranes (even temporary) and other structures that have the potential to interfere with airspace, aircraft approaches and ground equipment located at the airport. These evaluations apply to all construction taking place at the airport, and many projects outside the airport.

Obstruction evaluations are vital to keeping air traffic operations safe. Disadvantaged Business Enterprise Program.