Form 8110-3 at a glance
What it is: Form 8110-3 is the Determination of Compliance with Airworthiness Standards of the U.S. Department of Transportation, Federal Aviation Administration.
Who signs: Enter the DER/ODA number in Box 11, the printed name in Box 12 and the technical discipline in Box 13. Sign in Box 14, SIGNATURE, and enter the DATE.
A filled-in Form 8110-3 example: a designee approves data for a major repair

How to fill out Form 8110-3, box by box
Aircraft or Aircraft Component Identification
Purpose of Data
List of Data

List the data for this submittal including applicable drawings, material specifications, and process specifications and any other data that shows or contributes to a showing of compliance with the applicable requirements listed in block 9. A reference to a drawing list, including revision level, may be used. Box 7 is IDENTIFICATION and Box 8 is TITLE OF DATA.
In Box 9, list specific sections and amendment levels of the applicable requirements.
FAA Designee Approval

Box 10, FAA DESIGNEE APPROVAL: as directed by the Administrator and in accordance with the conditions and limitations of authorization under 14 CFR, Part 183, data listed, and on attached sheets numbered, have been examined in accordance with established procedures. I therefore APPROVE the data or RECOMMEND APPROVAL of the data.
For major repair or major alteration only: Other data approvals ARE REQUIRED or ARE NOT REQUIRED. EXPLAIN.
MANAGING OFFICE WAS CONTACTED is required when approval was made outside the U.S and/or involved critical or life limited parts.
Common questions about Form 8110-3
What is an 8110-3 form?
Form 8110-3 is the Determination of Compliance with Airworthiness Standards of the U.S. Department of Transportation, Federal Aviation Administration. The form also has lines for PROJECT SPECIFIC INFORMATION and PURPOSE OF SUBMITTAL.
Sources
[1] Form 8110-3 (09/20), Determination of Compliance with Airworthiness Standards, Federal Aviation Administration (the Official source link on this page).



