Ost form 4507-2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by filling in your name and mailing address in Block 1a. If applicable, include your DBA (Doing Business As) name.
3. Provide your telephone number, fax number, and email address in Blocks 1b and 1c.
4. In Block 2a, enter the address of your principal place of business if it differs from the mailing address.
5. Complete Block 3 with your FAA certificate number and local FAA office details.
6. Indicate whether this is an initial registration or an amendment in Block 4. If it's an initial registration, specify the proposed date of commencement of operations.
7. In Block 5, check all types of services you intend to perform upon commencement of operations.
8. List the aircraft you propose to operate in air taxi service in Block 6, including make, model, passenger seats installed, and FAA registration number.
9. Answer questions regarding U.S. citizenship and any amendments in Blocks 7 and 8.
10. Finally, certify the information by signing and dating the form in Block 10.

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