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(4) Airport traffic capacity of existing public use airports and <br /> public use airport development plans received before the <br /> issuance of the final determination; <br /> (5) Minimum obstacle clearance altitudes, minimum <br /> instrument flight rules altitudes, approved or planned <br /> instrument approach procedures, and departure procedures, <br /> (6) The potential effect on A TC radar, direction finders, ATC <br /> tower fine-of-sight visibility, and physical or electromagnetic <br /> effects on air navigation, communication facilities, and other <br /> surveillance systems; <br /> (7) The aeronautical effects resulting from the cumulative <br /> impact of a proposed construction or alteration of a structure <br /> when combined with the effects of other existing or proposed <br /> structures. <br /> 4) Even if a structure penetrates an imaginary surface, it still may <br /> not be deemed a hazard by the FAA. As stated in 14 CFR <br /> Section 77.31 (d): <br /> A Determination of No Hazard to Air Navigation will be <br /> issued when the aeronautical study concludes that the <br /> proposed construction or alteration will exceed an <br /> obstruction standard but would not have a substantial <br /> aeronautical impact to air navigation. A Determination of No <br /> Hazard to Air Navigation may include the following: <br /> (1) Conditional provisions of a determination. <br /> (2) Limitations necessary to minimize potential problems, <br /> such as the use of temporary construction equipment. <br /> (3) Supplemental notice requirements, when required. <br /> (4) Marking and lighting recommendations, as <br /> appropriate. <br /> d. The FAA issued thirty-seven (37) Determination of No Hazard based <br /> on 37 Form 7460-1's filed by South Coast Plaza for eight (8) <br /> buildings. The heights of these eight buildings ranged from 95 feet <br /> AGL to 279 feet AGL based on an initial architectural concept of <br /> design. The Specific Plan does allow for development with a <br /> maximum height of 25 stories/315 feet and also states that "an infill <br /> project must comply with all applicable policies and associated <br /> mitigation measures—e.g., sound attenuation, height limitation, <br /> occupancy limits... consistent with the AELUP". When actual <br /> development proposals are submitted to the City of Santa Ana, <br /> sponsors will be required to submit a Form 7460 to the FAA as per <br /> Resolution No. 2025-043 <br /> Page 13 of 20 <br />