Subject
Aeronautics, Commercial Law and legislation
Aeronautics, Commercial International cooperation
50
Appropriations and expenditures
7
Federal aid to transportation
5
Aeronautics Safety measures
3
Aeronautics Safety measures International cooperation
3
Aeronautics, Commercial
3
Airports
3
Airline passenger security screening Law and legislation
2
Medical personnel Licenses
2
Sports medicine Law and legislation
2
Aeronautics, Commercial Security measures
1
Airplanes Airworthiness International cooperation
1
Airports Baggage handling Security measures Government policy
1
Diplomatic privileges and immunities
1
International airports Landing fees
1
Sky marshals
1
Terrorism Prevention International cooperation
1
Terrorism Prevention Law and legislation
1