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Subject
- Private flying27
- Safety measures[remove]27
- Aeronautics12
- Airplanes6
- Airports6
- United States. Federal Aviation Administration6
- Piloting5
- Aeronautics, Commercial4
- Appropriations and expenditures4
- Federal aid to transportation4
- Aeronautics, Military3
- Aircraft accidents3
- Government policy3
- Traffic control3
- Essential Air Service (Program : U.S.)2
- Finance2
- Local service airlines2
- Accidents1
- Air pilots1
- Airframes1