Government

FAA	Certification of aircraft and pilots, security of airports and operation of the U.S. air traffic control system
FAA Federal Aviation Regulations	Federal Aviation Regulations
FAA Regulatory Support Division	Airworthiness Programs, Aviation Data Systems, Airman Testing Standards, Designee Standardization, Automation Infrastructure Management
NASA	Aeronautics and Space Research
NOAA	Scientific information on global environment
NTSB	Investigates and reports on civil aviation accidents