The Federal Aviation Administration is part of and is operated by the US Department of Transportation.
Transportation Department
State
A. federal
Congress's commerce power is Congress's power to regulate commerce. This means regulating the items, instrumentalities, and systems of interstate commerce.
state
state
Regulating commerce
Interstate Commerce Commission (ICC)
Recommend a federal plan for regulating commerce.
state
Aircraft, and aviation in general, revolutionized warfare, commerce, and technology.
The Congress can use its commerce powers in various ways. These may include regulating business activities, breaking monopolies, regulating banks and stock markets and so much more.