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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 ATC radar, direction finders, ATC <br />tower line -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-XXX <br />Page 13 of 20 <br />