{
  "aerial_recreational_areas": "Aerial Recreational Areas",
  "airports_commercial": "Airports (Commercial Rules)",
  "airports_commercial_private": "Private Airports (Commercial Rules)",
  "airports_recreational": "Airports (Recreational Rules)",
  "airports_recreational_private": "Private Airports (Recreational Rules)",
  "cities": "Cities",
  "class_b": "Controlled Airspace (Class B)",
  "class_c": "Controlled Airspace (Class C)",
  "class_d": "Controlled Airspace (Class D)",
  "class_e0": "Controlled Airspace (Class E to Ground)",
  "custom": "Custom",
  "date_effective": "Start",
  "date_expire": "End",
  "emergencies": "First Responder Activity",
  "fires": "Fires",
  "hazard_areas": "Hazard Areas",
  "heliports": "Heliports",
  "hospitals": "Hospitals",
  "icao": "ICAO",
  "name": "Name",
  "national_parks": "National Parks",
  "noaa": "NOAA Marine Protection Areas",
  "phone": "Phone",
  "power_plants": "Power Plants",
  "prisons": "Prisons",
  "schools": "Schools",
  "size": "Size",
  "stadiums": "Stadiums",
  "sua_prohibited": "Prohibited Special Use Airspace",
  "sua_restricted": "Restricted Special Use Airspace",
  "tfrs": "Temporary Flight Restrictions",
  "tfr_type": "TFR Type",
  "type": "Type",
  "universities": "Universities & Colleges",
  "url": "URL",
  "wildfires": "Wildfires"
}