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Quieter Departure
Aircraft departing to the Northeast should adopt the noise abatement departure procedures (NADP) prescribed by the International Civil Aviation Organization1 (ICAO) if safe flight operations permit.
Our efforts began in August 1999 when we first implemented ICAO's older version of NADP. In 2001, the ICAO revised those NADP such that aircraft could commence engine power reduction as low as 800 ft during the initial phase  of take off, which was lower than the start point in the former procedures. Thus, aircraft conducting new procedures should be quieter.
Review of 2002 Target
We have set our target to implement the new NADP in 2002 and we have achieved this target in March of 2002.
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ICAO was an United Nation organization established under the Chicago Convention on International Civil Aviation in November of 1944 for developing the principles and techniques of international air navigation and for fostering the planning and development of international air transport. As of 20 June 2002, there were 188 Contracting States to the convention. |
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