{
    "callsign": "MML806",
    "number": "806",
    "airline_code": "MML",
    "airport_codes": "ZBTJ-ZMCK",
    "_airport_codes_iata": "TSN-UBN",
    "_airports": [
        {
            "name": "Tianjin Binhai International Airport",
            "icao": "ZBTJ",
            "iata": "TSN",
            "location": "Tianjin",
            "countryiso2": "CN",
            "lat": 39.124401,
            "lon": 117.346001,
            "alt_feet": 10.0,
            "alt_meters": 3.05
        },
        {
            "name": "Chinggis Khaan International Airport",
            "icao": "ZMCK",
            "iata": "UBN",
            "location": "Ulaanbaatar",
            "countryiso2": "MN",
            "lat": 47.651581,
            "lon": 106.821772,
            "alt_feet": 4482.0,
            "alt_meters": 1366.11
        }
    ]
}