AC172-3 - *REVOKED* ATS Transmission of Graphical Meteorological Information by Voice

On 15 December 2022, CAA revoked this AC as it has been superseded by other sources of information on the CAA website.

For more information on the Graphical SIGMET Monitor, please check the following pages on the CAA website:

• Weather information for your flight
• Aviation weather products
• Graphical SIGMET Monitor user guide [PDF 2.1 MB]

Or search under the Meteorology tab.