{
    "callsign": "CHH7553",
    "number": "7553",
    "airline_code": "CHH",
    "airport_codes": "ZLLL-ZSNJ",
    "_airport_codes_iata": "LHW-NKG",
    "_airports": [
        {
            "name": "Lanzhou Zhongchuan International Airport",
            "icao": "ZLLL",
            "iata": "LHW",
            "location": "Lanzhou Gansu",
            "countryiso2": "CN",
            "lat": 36.515242,
            "lon": 103.620775,
            "alt_feet": 6388.0,
            "alt_meters": 1947.06
        },
        {
            "name": "Nanjing Lukou Airport",
            "icao": "ZSNJ",
            "iata": "NKG",
            "location": "Nanjing",
            "countryiso2": "CN",
            "lat": 31.742001,
            "lon": 118.862,
            "alt_feet": 49.0,
            "alt_meters": 14.94
        }
    ]
}