What is a Major Metropolitan Airport?
For more information on this topic, please reference page 23 of the CSAT Top-Screen User’s Manual http://www.dhs.gov/xlibrary/assets/chemsec_csattopscreenusersmanual.pdf (PDF, 88 pages – 1.3 MB). Referenced Text: A major metropolitan airport is an international airport or other airport serving a major urban area. General aviation, military, and other airports/bases are not considered major airports for the purposes of this question.