Transportation
- Saskatchewan Transportation Company
- St. Cloud Regional Airport (IATA airport code)
- Sistema de Transporte Colectivo, operates the Mexico City Metro
- Supplemental Type Certificate, an FAA-approved major modification or repair to an existing type certified aircraft, engine or propeller
- STC, Shipping term for cargo quantity description (Said To Contain) or (Stated To Contain). Usually used when the cargo being received is secured/wrapped tightly or security sealed and the ability to count the actual amount of cargo received is hindered.
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