Title 14: Aeronautics and Space PART 161—NOTICE AND APPROVAL OF AIRPORT NOISE AND ACCESS RESTRICTIONS Contents Subpart A—General Provisions §161.1 Purpose. §161.3 Applicability. §161.5 Definitions. §161.7 Limitations. §161.9 Designation of noise description methods. §161.11 Identification of land uses in airport noise study area. Subpart B—Agreements §161.101 Scope. §161.103 Notice of the proposed restriction. §161.105 Requirements for new entrants. §161.107 Implementation of the restriction. §161.109 Notice of