14 CFR § 77.37 - General.

---
identifier: "/us/cfr/t14/s77.37"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 77.37 - General."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "77.37"
section_name: "General."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "E"
subchapter_name: "AIRSPACE"
part_number: "77"
part_name: "SAFE, EFFICIENT USE, AND PRESERVATION OF THE NAVIGABLE AIRSPACE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106 (g), 40103, 40113-40114, 44502, 44701, 44718, 46101-46102, 46104."
regulatory_source: "Docket FAA-2006-25002, 75 FR 42303, July 21, 2010, unless otherwise noted."
cfr_part: "77"
---


# 77.37 General.

(a) If you are the sponsor, provided a substantive aeronautical comment on a proposal in an aeronautical study, or have a substantive aeronautical comment on the proposal but were not given an opportunity to state it, you may petition the FAA for a discretionary review of a determination, revision, or extension of a determination issued by the FAA.

(b) You may not file a petition for discretionary review for a Determination of No Hazard that is issued for a temporary structure, marking and lighting recommendation, or when a proposed structure or alteration does not exceed obstruction standards contained in subpart C of this part.