The Ninth Meeting of the Committee on Aviation Environmental protection (CAEP/9) was held at ICAO headquarters in Montreal from 4 to 15 February 2013. The meeting was attended by 191 participants, representing 22 Member States and 15 observer States and organizations. This meeting marked the culmination of three intense years of activity by the CAEP working groups in aircraft noise, operations and emissions that involved more than 400 experts from different States and organizations around the world.
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