FITS Deprecation Notice
The FITS data base is being deprecated on the 31st March 2025.
The data is being migrated to Tilde and will be available through the API and visualization interfaces.
You can check on the status of the different data sets on our FITS System Deprecation: Transition to Tilde API page.
The Aviation Colour Code (ACC) system is based on four colours and is only intended for use by the civil aviation community. The Aviation Colour Codes provide the aviation community with information about volcanic activity and the potential presence of volcanic ash in the atmosphere.
Table showing the current volcanic aviation colour codes.
| Volcano | ICAO Colour Code |
|---|---|
| Whakaari/White Island | Orange |
| Ruapehu | Green |
| Auckland Volcanic Field | Green |
| Kermadec Islands | Green |
| Mayor Island | Green |
| Ngauruhoe | Green |
| Northland | Green |
| Okataina | Green |
| Rotorua | Green |
| Taranaki | Green |
| Taupo | Green |
| Tongariro | Green |