Certification and Operations: Airplanes with Seating Capacity of 20 or More Passenger Seats or Maximum Payload of 6,000 Pounds or More Operating under 14 CFR part 125

Part A of Subtitle VII of the Revised Title 49 United States Code authorizes the issuance of regulations governing the use of navigable airspace. 14 CFR Part 125 will prescribe requirements for leased aircraft, Aviation Service Firms, and Air Travel. A letter of application and related documents which set forth an applicant's ability to conduct operations in compliance with the provisions of FAR Part 125 are submitted to the appropriate Flight Standards District Office (FSDO). Inspectors in FAA FSDO's review the submitted information to determine certificate eligibility.

The latest form for Certification and Operations: Airplanes with Seating Capacity of 20 or More Passenger Seats or Maximum Payload of 6,000 Pounds or More Operating under 14 CFR part 125 expires 2021-01-31 and can be found here.