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- Air Traffic Management Bureau24
- Air Traffic Service177
- Airports Service24
- Aviation Medical Service66
- Aviation Medicine Bureau6
- Aviation Medicine Office58
- Aviation Research and Development Service12
- Facilities Bureau2
- Facilities and Materiel Bureau15
- Federal Aviation Agency[remove]1,630
- Flight Standards Bureau16
- Flight Standards Service78
- National Capital Airports Bureau5
- Research and Development Bureau38
- Systems Research and Development Service13