CFR › Title 14 › Part 150Part 150 — Airport Noise Compatibility PlanningSubpart A — General Provisions§ 150.1— Scope and purpose.§ 150.3— Applicability.§ 150.5— Limitations of this part.§ 150.7— Definitions.§ 150.9— Designation of noise systems.§ 150.11— Identification of land uses.§ 150.13— Incorporations by reference.Subpart B — Development of Noise Exposure Maps and Noise Compatibility Programs§ 150.21— Noise exposure maps and related descriptions.§ 150.23— Noise compatibility programs.Subpart C — Evaluations and Determinations of Effects of Noise Compatibility Programs§ 150.31— Preliminary review: Acknowledgments.§ 150.33— Evaluation of programs.§ 150.35— Determinations; publications; effectivity.