Jan 17New ICAO publication (Doc 9501-2)Doc 9501, Environmental Technical Manual Volume II, Procedures for the Emissions Certification of Aircraft Engines. Fifth Edition, 2023....
Jan 11New ICAO publication (Doc 9501-4)Doc 9501, Environmental Technical Manual Volume IV, Procedures for demonstrating compliance with the Carbon Offsetting and Reduction...
Jan 9New ICAO publication (Doc 9718-1)Doc 9718, Handbook on Radio Frequency Spectrum Requirements for Civil Aviation (Volume I, ICAO spectrum strategy, policy statements and...