noun. The operation of aircraft.

noun. The design, development, and production of aircraft.

noun. Military aircraft.

noun. The art or act of flying; specifically, the science or art of directing and controlling flying-machines; the art of navigating the air with machines heavier than air.

noun. The art or science of flying.

noun. The art or science of making and flying aircraft.

noun. the art of operating aircraft

noun. the operation of aircraft to provide transportation

noun. the aggregation of a country's military aircraft

noun. travel via aircraft

"Now, this is an unprecedented effort on the part of the Department of Transportation, on the part of industry and on the part of labor and others to work together to identify best practices across all modes that should be incorporated into contingency response plans, similar to what we see in the aviation community through what they call the aviation security contingency plan."

aviation accident  aviation incident  

Art  accumulation  aggregation  artistry  assemblage  

Alsatian  Americanization  Appalachian  Balkanization  Christianization  

aircraft  airfield  airlift  airspace  artillery  

aeronautics  aeroplaning  aëroplaning  climbing  flying