{
    "callsign": "HVN317",
    "number": "317",
    "airline_code": "HVN",
    "airport_codes": "RJAA-VVDN",
    "_airport_codes_iata": "NRT-DAD",
    "_airports": [
        {
            "name": "Narita International Airport",
            "icao": "RJAA",
            "iata": "NRT",
            "location": "Tokyo",
            "countryiso2": "JP",
            "lat": 35.764702,
            "lon": 140.386002,
            "alt_feet": 141.0,
            "alt_meters": 42.98
        },
        {
            "name": "Da Nang International Airport",
            "icao": "VVDN",
            "iata": "DAD",
            "location": "Da Nang",
            "countryiso2": "VN",
            "lat": 16.0439,
            "lon": 108.198997,
            "alt_feet": 33.0,
            "alt_meters": 10.06
        }
    ]
}