14 CFR § 77

FAA Obstruction Clearance & Aviation Lighting Calculator

Aeronautical Evaluation Engine • AC 70/7460-1M • Form 7460-1 Notice Protocol
Glide Slope 3.0° (ILS Corridor)
14 CFR § 77.17 (200ft Notice Baseline)
Eternal Flame / Beacon Active
FAA Hazard Determination No Hazard to Air Navigation (Conditional) Notice Required >200ft
Part 77 Imaginary Surface Clear of Primary Surface / Penetration Warning at 250ft Clearance Margin: 512 ft under Glide
Total Height Above Sea Level (AMSL) 270 ft AGL: 250 ft
Mandatory Lighting Specification Non-Standard Eternal Flame / High-Intensity Luminous Beacon Required 200,000 Candela Equivalent
Ready for FAA Form 7460-1 Submission
The proposed structure exceeds 200 feet AGL triggering 14 CFR § 77.9 notice, but remains well clear of the terminal approach corridor. An aeronautical study finds no adverse hazard provided continuous conspicuous marking and luminous beaconing are installed.

FAA Aeronautical Evaluation Dossier (Summary Preview)

Grounded in FAA Order JO 7400.2, Advisory Circular AC 70/7460-1M, and 14 CFR Part 77 standards, referencing Washington Post coverage on the FAA study of the proposed 250-foot triumphal arch and non-standard eternal flame beaconing.
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