Pricing Updates Due to increased inbound freight charges from our logistics partners, Spares and Exchange pricing may include a surcharge and Repair orders may have surcharges applied at checkout. For more information Click Here
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Supplemental Type Certificate Catalog

Discover Honeywell Aerospace’s range of STCs to enable Aftermarket Retrofits, Modifications and Upgrades (RMU) for Civilian Aircraft

A Supplemental Type Certificate (STC) is a document issued when an applicant has received approval from the Federal Aviation Administration (FAA) to modify an aircraft from the original design. The STC, which incorporates by reference the related Type Certificate (TC), approves not only the modification, but how the modification affects the original design. The STC and its related information (drawings, data, specifications) are the property of the STC holder.

If you have any questions about STC, RTU or the order form, please contact the Honeywell Aerospace STC team here: STCRTU@honeywell.com.