Aviation | News | 2020-12-08 | WMO publishes update to WMO-No. 49, Volume II, Meteorological Service for International Air Navigation

WMO has today published a 2020 update to Technical Regulations (WMO-No. 49), Volume II, Meteorological Service for International Air Navigation.

The 2020 update is available via the WMO e-Library here in English, French, Spanish, Russian and Arabic. Chinese will be available early in 2021.

This update, endorsed through Resolution 5 (EC-72), brings Volume II of the WMO Technical Regulations into alignment with Amendment 79 to ICAO Annex 3, Meteorological Service for International Air Navigation applicable on 5 November 2020.


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