{
    "callsign": "BTK7251",
    "number": "7251",
    "airline_code": "BTK",
    "airport_codes": "WMKK-WARR",
    "_airport_codes_iata": "KUL-SUB",
    "_airports": [
        {
            "name": "Kuala Lumpur International Airport",
            "icao": "WMKK",
            "iata": "KUL",
            "location": "Kuala Lumpur",
            "countryiso2": "MY",
            "lat": 2.74558,
            "lon": 101.709999,
            "alt_feet": 69.0,
            "alt_meters": 21.03
        },
        {
            "name": "Juanda International Airport",
            "icao": "WARR",
            "iata": "SUB",
            "location": "Surabaya",
            "countryiso2": "ID",
            "lat": -7.37983,
            "lon": 112.787003,
            "alt_feet": 9.0,
            "alt_meters": 2.74
        }
    ]
}