{
   "title": "Airport Activity Statistics of Certificated Route Air Carriers",
   "aka": ["Airport Activity Statistics of Certificated Air Carriers"],
   "online": "1",
   "first-renewed-issue": "none",
   "first-renewed-issue-source": "database",
   "first-renewed-contribution": "none",
   "first-renewed-contribution-source": "database",
   "additional-note": "This is a US government publication.",
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "acknowledgement": 
      "Thanks to Eri Mizukane for copyright research on this title.",
   "last-updated": "2021-02-16"
}