{
    "callsign": "OKA3049",
    "number": "3049",
    "airline_code": "OKA",
    "airport_codes": "ZBTJ-ZHHH",
    "_airport_codes_iata": "TSN-WUH",
    "_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": "Wuhan Tianhe International Airport",
            "icao": "ZHHH",
            "iata": "WUH",
            "location": "Wuhan",
            "countryiso2": "CN",
            "lat": 30.7838,
            "lon": 114.208,
            "alt_feet": 113.0,
            "alt_meters": 34.44
        }
    ]
}