STC has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of STC in Aviation.
A certificate issued by an airworthiness authority to indicate that a modification to an aircraft or engine design has been approved.
AviationAlso called Steering Group. A group of people who are responsible for monitoring a company's operations or project progress, by ensuring it complies with company policies, resources and costs are approved, etc.
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