# AC 36-1G: Noise Levels for U.S. Certificated and Foreign Aircraft

- Type: Advisory circular (guidance, not mandatory unless a rule or AD requires it)
- Status: Historical
- Version in force: [AC 36-1H](https://openairdocs.org/ac/36-1), approved May 25, 2012. This is a historical version
- Approved: August 27, 1997
- Last reviewed: August 27, 1997
- Family: AC 36-1
- 14 CFR parts: 36
- Pages: 179
- PDF: https://openairdocs.org/files/sha256/ed/0e/ed0e6ddba187873d46d737cc317eab666b1454a0755f14846d3c4ca18481efb8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID646497324820220125131005.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ac/36-1G

## Versions

- [AC 36-1H](https://openairdocs.org/ac/36-1) (Current), approved May 25, 2012, 364 pages. Change 1 incorporated
- [AC 36-1G](https://openairdocs.org/ac/36-1G) (Historical), approved Aug 27, 1997, 179 pages

## Text

Each page's text from the PDF; open the PDF at a page with #page=N.

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