CFR › Title 14 › Part 77 › §77.2714 CFR §77.27Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe FAA will conduct an aeronautical study when:(a)Requested by the sponsor of any proposed construction or alteration for which a notice is submitted; or(b)The FAA determines a study is necessary.