Form 337 example 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering the 'Nationality and Registration Mark' along with the 'Make' and 'Model' of the aircraft in Section 1. Ensure that this information matches what is shown on the registration certificate.
3. In Section 2, provide the owner's details including their name, address, city, state, zip code, and country. This ensures proper identification of ownership.
4. Section 5 requires you to specify the type of repair or alteration being reported. Select from options such as Airframe, Powerplant, Propeller, or Appliance and fill in the corresponding unit identification details.
5. Complete Section 6 by providing information about the agency responsible for the work done. Include their name, address, and certificate number if applicable.
6. In Section 7, sign and date as an authorized individual to certify that all repairs or alterations comply with FAA regulations.
7. Finally, describe the work accomplished in Section 8. If more space is needed, attach additional sheets clearly labeled with relevant details.

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