{
    "callsign": "HXA4218",
    "number": "4218",
    "airline_code": "HXA",
    "airport_codes": "ZSNJ-ZBCF",
    "_airport_codes_iata": "NKG-CIF",
    "_airports": [
        {
            "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
        },
        {
            "name": "Chifeng Airport",
            "icao": "ZBCF",
            "iata": "CIF",
            "location": "Chifeng",
            "countryiso2": "CN",
            "lat": 42.235,
            "lon": 118.908,
            "alt_feet": 0.0,
            "alt_meters": 0.0
        }
    ]
}