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Supplemental Type Certificates


​Supplemental Type Certificate (STC) means an approval issued in terms of regulation South African Civil Aviation Regulations (SCAR) 21.05.3, which authorizes the holder thereof to alter a product (aircraft, engine, or propeller) for which such holder may not the Type Certificate (TC) holder, by introducing a major change in the type design which is not great enough to require a new application for a TC.

The STC defines the product design change, states how the modification affects the existing type design, and lists serial number applicability. It also identifies the certification basis listing specific regulatory compliance for the design change.

Possession of an STC (approval) does not constitute rights to the design data or installation of that change/modification. The STC and its supporting data (drawings, instructions, specifications, etc.) are the property of the STC holder. Prospective users must contact the STC holder to obtain rights to use of the STC

 

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