The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Stc Engineering Company

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Beechcraft F90. FAA spelling: STC Engineering Company.

Approved modifications 1 · newest first

Beechcraft F90 1
2011-11-02SA08998SC · Installation of Pratt & Whitney Canada PT6A-42 engines. · F90

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.