Airplane noise levels - Definitions.
Municipal Code of Chicago § 10-36-240
in effect10-36-240 Airplane noise levels - Definitions.
For purposes of this section, the following words and phrases shall have the following meanings:
(a) "Airplane" means any civil, subsonic, turbo- jet powered airplane having a maximum certification takeoff weight exceeding 75,000 pounds.
(b) "Airport" means any airport owned by the City of Chicago.
(c) "Stage 1 airplane" means an airplane that does not meet the Stage 2 or Stage 3 noise levels prescribed in Section C36.5(a)(2) or Section C36.5(a)(3) of Appendix C of Part 36 of the Federal Aviation Administration Regulations, 14 C.F.R. Subchapter 36, as amended.
(d) "Stage 2 airplane" means any airplane that complies with the noise levels prescribed in Section C36.5 (a)(2) of Appendix C of Part 36 of the Federal Aviation Administration Regulations, 14 C.F.R. Subchapter 36, as amended.
(e) "Stage 3 airplane" means any airplane that complies with the noise levels prescribed in Section C36.5(a)(3) of Appendix C of Part 36 of the Federal Aviation Administration Regulation, 14 C.F.R. Subchapter 36, as amended.
(f) "Noise-compliant airplane" means (I) until January 1, 1986, any two-engine Stage 1 airplane that complies with the provisions of Section 303(b) of the Federal Aviation Safety and Noise Abatement Act of 1979, or (ii) until January 1, 1988, any two-engine Stage 1 airplane with 100 seats or less exempted pursuant to Section 304 of the Federal Aviation Safety and Noise Abatement Act of 1979 in order to promote service to medium-size and small communities.
No airplane may take off or land at any airport unless it is a Stage 3 or noise-compliant airplane.
(Added Coun. J. 3-31-04, p. 20916, § 2.11)
Editor's note – Coun. J. 3-31-04, p. 20916, § 1.1, repealed § 10-36-240, which pertained to airplane noise levels –10-36-240 to read as herein set out.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2653134Fetched: 10/24/2026