EASA & FAA Supplemental Type Certificate (STCs) Aircraft Maintenance Considerations
EASA & FAA Supplemental Type Certificate (STCs) Aircraft Maintenance Considerations A Supplemental Type Certificate (STC) is an FAA or EASA approved major modification or repair to an existing type certified aircraft, engine or propeller. As it adds to the existing type certificate, it is deemed ‘supplemental’. As its name suggests, an STC is a certificate….