14 C.F.R. § 121.301 Applicability.
Title 14 - Aeronautics and Space
This subpart prescribes instrument and equipment requirements for all certificate holders.
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart K—Instrument and Equipment Requirements
§ 121.301 Applicability.