Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 14 — Aeronautics and Space · Part 161 — Notice and Approval of Airport Noise and Access Restrictions · § 161.9

§ 161.9. Designation of noise description methods.

77 words·~1 min read·/us/cfr/t14/s§ 161.9·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

For purposes of this part, the following requirements apply:
(a)The sound level at an airport and surrounding areas, and the exposure of individuals to noise resulting from operations at an airport, must be established in accordance with the specifications and methods prescribed under appendix A of 14 CFR part 150; and
(b)Use of computer models to create noise contours must be in accordance with the criteria prescribed under appendix A of 14 CFR part 150.
Connections1 off-index
1 reference not yet in our index
  • 14 CFR 150
Citation graph
cites case law
§ 161.9
Designation of noise description methods.
Cite14 CFR 150
Cites 1Cited by 0 across 0 sources
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.