2020-067 - Overruling the Orange County Airport Land Use

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vii. The other entities that have processed or commented on this project have aviation safety duties and responsibilities related to this matter. Each of these entities relies on or ultimately defers to the FAA's authoritative aviation safety role in airspace determinations. viii. The AELUP for JWA, Section 2.1.3 Building Height Restrictions states, "In adopting criteria for building height restrictions in the vicinities of airports, the Commission considered only one standard and that was Federal Aviation Regulations Part 77 ([14 CFR] Part 77) entitled, Objects Affecting Navigable Airspace. "These regulations are the only definitive standard available [emphasis added] and the standard most generally used." ix. Section 2.1.3 also recognizes FAA aeronautical studies beyond 14 CFR Part 77 surfaces as the standard for review, "In addition to the 'imaginary surfaces,' the Commission will use all of the FAR Part 77.23 standards along with the results of FAA aeronautical studies, [emphasis added] or other studies deemed necessary by the Commission, in order to determine if a structure is an 'obstruction."' This section goes on to state: The Commission considers and recognizes the FAA as the single "Authority" for analyzing project impact on airport or aeronautical operations, or navigational -aid siting, including interference with navigational - aids or published flight paths and procedures. The Commission also considers the FAA as the "Authority" for reporting the results of such studies and project analyses. The Commission will not consider the findings of reports or studies conducted by parties other than the FAA unless the FAA certifies and adopts such findings as true and correct. X. Section 2.1.3 adds reference to FAA Advisory Circular 150/5190- 4A, A Model Zoning Ordinance to Limit Height of Objects Around Airports for Commission Review. This FAA Advisory Circular provides specific guidance for establishing zoning regulations along with specific guidance on a "variance" process for potential obstructions. At Section 3.b., "The Federal Aviation Administration (FAA) conducts aeronautical studies on obstructions which examine their effect on such factors as: aircraft operational capabilities; electronic and procedural requirements; and, airport hazard standards. if an aeronautical study shows that an obstruction, when evaluated against these factors, has no substantial adverse effect upon the safe and efficient use of navigable airspace, then the obstruction is considered not to be a hazard to air navigation [emphasis added]." Resolution No. 2020-067 Page 7 of 13