Honeywell Aerospace

Supplemental Type Certificate (STC) Information


Search for an STC aircraft, request an STC data package and/or permission statement and learn about our STC process by selecting one of the modules below.

STC Overview
STC OverviewA Supplemental Type Certificate (STC) is a certificate issued when an applicant has received approval from the Federal Aviation Administration (FAA) to modify an aircraft from its original design.

STC Search
STC SearchUse this application to search for STC aircraft.

STC Request Process
STC Request ProcessUse this procedure to request an STC data package and/or Permission Statement (also known as a License Agreement or Right to Use Letter).

STC Request Form
STC Request FormUse this form to request an STC Data Package and/or a Right To Use letter (a.k.a. An FAA Permission Statement).
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