{
    "callsign": "OTC7337",
    "number": "7337",
    "airline_code": "OTC",
    "airport_codes": "ZPPP-ZSLO-ZSNJ",
    "_airport_codes_iata": "KMG-LCX-NKG",
    "_airports": [
        {
            "name": "Kunming Changshui International Airport",
            "icao": "ZPPP",
            "iata": "KMG",
            "location": "Kunming",
            "countryiso2": "CN",
            "lat": 25.105,
            "lon": 102.941667,
            "alt_feet": 6903.0,
            "alt_meters": 2104.03
        },
        {
            "name": "Longyan Guanzhishan Airport",
            "icao": "ZSLO",
            "iata": "LCX",
            "location": "Longyan",
            "countryiso2": "CN",
            "lat": 25.6747,
            "lon": 116.747002,
            "alt_feet": 1225.0,
            "alt_meters": 373.38
        },
        {
            "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
        }
    ]
}