{
    "callsign": "OTC7633",
    "number": "7633",
    "airline_code": "OTC",
    "airport_codes": "ZGHA-ZJHK",
    "_airport_codes_iata": "CSX-HAK",
    "_airports": [
        {
            "name": "Changsha Huanghua International Airport",
            "icao": "ZGHA",
            "iata": "CSX",
            "location": "Changsha",
            "countryiso2": "CN",
            "lat": 28.189199,
            "lon": 113.220001,
            "alt_feet": 217.0,
            "alt_meters": 66.14
        },
        {
            "name": "Haikou Meilan International Airport",
            "icao": "ZJHK",
            "iata": "HAK",
            "location": "Haikou",
            "countryiso2": "CN",
            "lat": 19.9349,
            "lon": 110.459,
            "alt_feet": 75.0,
            "alt_meters": 22.86
        }
    ]
}