The Federal Aviation Administration is part of and is operated by the US Department of Transportation.
Transportation Department
State
The U.S. Department of Homeland Security (DHS) is primarily responsible for protecting the nation's transportation systems to ensure the freedom of movement for passengers and commerce. Within the DHS, the Transportation Security Administration (TSA) plays a key role in securing air travel, while the Federal Aviation Administration (FAA) oversees aviation safety. Additionally, the Transportation Security Administration collaborates with various agencies to secure other modes of transport, including rail and maritime systems.
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
state
Interstate Commerce Commission (ICC)
Recommend a federal plan for regulating commerce.
Aircraft, and aviation in general, revolutionized warfare, commerce, and technology.