Index [Aeronautics and Space] Law and Legal Definition

According to 14 CFR 139.5 [Title 14 Aeronautics and Space; Chapter I Federal Aviation Administration, Department of Transportation; Subchapter G Air Carriers and Operators for Compensation or Hire: Certification and Operations; Part 139 Certification of Airports; Subpart A General], Index means “the type of aircraft rescue and firefighting equipment and quantity of fire extinguishing agent that the certificate holder must provide in accordance with § 139.315.”