Aviation API

The Graphical New Zealand Significant Weather Chart (GNZSIGWX) is a forecast issued for the NZZC FIR. The chart is issued indicating forecast position of significant icing, mountain waves, thunderstorms/Cumulonimbus (CBs), and turbulence. Charts are issued 3 times a day (validity periods 21Z-12Z, 03Z18Z and 15Z-06Z). Charts are issued for 3 flight levels (FL100, FL250 and FL410). These charts cover the air space from surface to the flight level stated.

9.1 Latest for a Flight Level

Request the latest GNZSIGWX chart for a specific flight level.

9.1.1 API Call:

GET /aviation/chart/gnzsigwx/{flightlevel}

9.1.2 Path Parameter:

9.1.3 Example:

This example will return a link to the latest gnzsigwx chart for flight level 250.

GET /aviation/chart/gnzsigwx/fl250

9.1.4 API Response:

{
    "version": "1.0",
    "issue-time": "2025-09-08T21:48:15Z",
    "path": "/aviation/api/aviation/chart/gnzsigwx/fl250",
    "response": [
        {
            "met:locator": "https://api.metservice.com/aviation/assets/gnzsigwx/20250908/fl250_081500_082100_081356.png",
            "met:valid-to": "2025-09-08T21:00:00Z",
            "met:product-name": "gnzsigwx",
            "met:domain": "aviation",
            "met:issue-time": "2025-09-08T13:56:00Z",
            "met:region": "nz",
            "met:valid-from": "2025-09-08T15:00:00Z",
            "av:flight-level": "fl250"
        },
        {
            "met:locator": "https://api.metservice.com/aviation/assets/gnzsigwx/20250908/fl250_082100_090300_081953.png",
            "met:valid-to": "2025-09-09T03:00:00Z",
            "met:product-name": "gnzsigwx",
            "met:domain": "aviation",
            "met:issue-time": "2025-09-08T19:53:00Z",
            "met:region": "nz",
            "met:valid-from": "2025-09-08T21:00:00Z",
            "av:flight-level": "fl250"
        },
        {
            "met:locator": "https://api.metservice.com/aviation/assets/gnzsigwx/20250908/fl250_090300_090900_081953.png",
            "met:valid-to": "2025-09-09T09:00:00Z",
            "met:product-name": "gnzsigwx",
            "met:domain": "aviation",
            "met:issue-time": "2025-09-08T19:53:00Z",
            "met:region": "nz",
            "met:valid-from": "2025-09-09T03:00:00Z",
            "av:flight-level": "fl250"
        }
    ]
}