Community Reducing Noise at Source ■Introducing Quieter Aircraft As part of the global movement towards quieter aircraft, in International Landing Charges Based on the Narita Aircraft Noise Index scal 2002 Japan prohibited the operation of aircraft which do Global Environment Environment Landing charge per ton (yen/ton) not meet the provisions for noise standards set out in Chapter*4 2,500 3 noise standard by the International Civil Aviation Charges lowered 20% or more 1,950 2,000 *5 2,000 1,850 Organization (ICAO) . 1,750 Initiatives 1,650 1,550 In order to encourage the use of Chapter 4 aircraft which 1,500 come under more stringent noise standards, we have Targets 1,000 Noise class introduced landing charge system for international ights that Preserve the integrity of noise provides preferential treatment for quieter aircraft since scal 500 Community Environment impact zones as prescribed in A B C D E F 2005. The system oers lower landing charges for international 0 the Noise Prevention Law Low High ights based on the noise level (Class A to F) of the aircraft Noise level Increase the ratio of quieter aircraft according to the Narita Aircraft Noise Index. The quietest Class A aircraft are charged at least 20% less than Class F aircraft. As Reduce the emission of air pollutants (per ight) the graph on the right shows, Class A to C aircraft which satisfy Ratio of Aircraft per Noise Category Sustain water quality in rain Chapter 4 standards have gradually increased since scal 2002 (%) The gures in the chart represent total ratios of low-noise aircraft (Class A to C) 100 Resource Conservation water runo when Chapter 2 aircraft were prohibited. The ratio increased 90.7 signicantly after scal 2005 when new charge system was 80 86.4 87.6 81.5 84.3 85.4 introduced. 60 Low-noise aircraft Recently, airlines have been promoting the introduction F 40 E of new aircraft with state-of-art technology on their eets' D C 20 renewal. These aircraft make substantial contributions to B A reducing environmental impacts such as noise and greenhouse 0 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY) gases. * Including domestic ights Biodiversity Initiative theme *4 Chapters are noise certication standards for aircraft set by the Noise Mitigation Measures International Civil Aviation Organization (ICAO). Upper-limits for noise levels measured at approach, takeo and lateral certication points are set out in 1 accordance with the maximum takeo weight of an aircraft. *5 International Civil Aviation Organization (ICAO) is a UN (United Nations) Target and Performances as an aircraft noise countermeasure. The rate in scal 2015 specialized agency under the Economic and Social Council. It was established was 90.7%, fullling this target. in 1947, and its headquarters is in Montreal, Canada. Increase ratio of quieter aircraft according to Narita Aircraft Noise Index Environment Management The noise mitigation measures are split into three (%) 90 FY 2015 target categories: Reducing Noise at Source; Improved Airport 90.7 90% Layout; and Community Programs. The main components of 87.6 85 86.4 our community programs include subsidies, compensation 85.4 84.3 and land use. They are implemented according to the Law ■Night Flight Restrictions (Airport Curfew) Concerning Prevention of Disturbance Arising from Aircraft Takeo Landing 81.5 Since opening in 1978, takeos and landings at Narita 23:00 80 *1 Curfew time (no change) Noise, etc., around Public Aerodromes (Aircraft Noise International Airport have been restricted in principle between Flexible curfew (implemented Mar. 31, 2013) Prevention Law), and the Special Measures Law Concerning • Delays at departure airport 11:00 p.m. and 6:00 a.m., except emergency conditions or • Delays due to temporary 0 Aircraft Noise Prevention Strategies around Specied evacuation of another airport 2010 2011 2012 2013 2014 2015 (FY) unavoidable circumstances, such as due to typhoon, heavy • Delays caused by chain-reaction delays *2 Airports (Special Act for Aircraft Noise Prevention). snowfall or other unusual weather conditions , or conditions • Flights returning to Narita • Delays caused by unavoidable circumstances As a landlocked airport, Narita International Airport has that aect safety of ight operation and sudden/serious 24:00 implemented steadfast and detailed measures to mitigate *1 The Law Concerning Prevention of Disturbance Arising from Aircraft Noise, etc., medical cases. aircraft noise, the largest factor aecting the local around Public Aerodromes was introduced to assist aected residents in improving Emergency conditions (previously in place) the stability of their lifestyles and welfare by setting out provisions for prevention of As of March 31, 2013, night-time operating restrictions (Specic examples) community since its opening. disturbance arising from aircraft noise; compensation for losses due to frequent • Exceptional conditions related to aircraft safety takeos and landings; and establishment of other essential measures. In this law, were also relaxed. In addition to the above circumstances, • Exceptional conditions related to health and safety, In 2005, we instituted a unique landing charge system zones are categorized according to the noise level as follows: such as sudden illness or medical emergency permitting ights from 11:00 p.m. to midnight for situations • Search and rescue Lden*3 62 dB or higher: Class 1 zone / Lden 73 dB or higher: Class 2 zone / • Unusual weather at Narita Airport for international ights that oers preferential charge to Lden 76 dB or higher: Class 3 zone (see p. 60) that are beyond airlines’ control, such as unusual weather etc. quieter aircraft, which has encouraged airlines to introduce *2 The Special Measures Law Concerning Aircraft Noise Prevention Strategies around condition at the departure airport. In scal 2015, night-time Specied Airports was introduced to prevent disturbance arising from aircraft 6:00 those aircraft. As a result, the number of quieter aircraft has noise and ensure rational, appropriate land use through the formulation of basic operating restrictions were relaxed 65 times. guidelines for aircraft noise mitigation, setting out regulations for land use and other increased each year since then. In April 2013, landing charges special steps. In this law, zones are categorized based on the level of disturbance arising Information on ights operated after airport curfew is from noise (see p. 60). for international ights were reduced even further. released the following day on the NAA website, “Information on Lden 66 dB or higher: Special noise prevention areas The Eco-Airport Master Plan (FY 2011–2015) set a Lden 62 dB or higher: Aircraft noise mitigation areas Flights After Curfew” (http://www.naa.jp/jp/csr/curfew/ target for scal 2015 of improving the introduction rate of *3 Lden : The Day-Evening-Night Averaged Sound Level (weighted by time of day). [Japanese version only]). Lden is a daily equivalent noise level, with evening and nighttime noise weighted as low-noise aircraft under the Narita Aircraft Noise Index to 90% louder. 26 Environment Report 2016 Environment Report 2016 27 ■Establishing and Monitoring Flight Corridors (Monitoring Zones) To minimize the impact from aircraft noise, ight corridors Aircraft Tracking Map with Flight Corridors (Example) Location Map of Aircraft Noise Monitoring Stations Year-Round Monitoring Results for FY 2015 (monitoring zones) for direct ascent and descent have been Ibaraki Ishioka Class 1 zone for Aircraft Noise Prevention Law Lden Comparison with Station no. Station name (dB) prior year Standard ight courses established from the Tonegawa River to the Kujukuri Omitama Class 2 zone for Aircraft Noise Prevention Law 1 Ichizaki *1 48.9 −0.2 coastline. They are monitored to ensure that aircraft do not Hokota Flight corridor Class 3 zone for Aircraft Noise Prevention Law Global Environment (Runway A) 2 Shin-Tone 54.2 ±0.0 Monitoring station 3 Shimokano 53.8 ±0.0 deviate from the corridors. Runway A departure 4 Kawachi 55.9 ±0.0 In the case of deviation from the corridors without a Namegata Runway A arrival Tsuchiura Kasumigaura 5 Nishi-Osuka 59.4 −0.2 valid reason such as weather or safety, the ight number and Flight corridor Inashiki 1 6 Uchijuku 54.6 +0.3 (Runway B) 2 7 Kuzumi 57.4 ±0.0 reason are disclosed to the public and the airline is issued a Ami Miho Runway B departure Kozaki 8 Araumi 61.9 −0.1 Kawachi 3 Ushiku 4 directive by the Ministry of Land, Infrastructure, Transport and Tsukubamirai Runway B arrival 9 Tsuchimuro (NAA) 56.3 ＋0.1 Katori 10 Inooka 59.6 −0.1 Tourism. In scal 2015, the number of aircraft deviating 5 Ryugasaki Toride 11 Ashida (NAA) 57.4 −0.2 Community Environment Kozaki 6 without valid reason was seven (0.003%). Kawachi Narita Omuro (NAA) 0.1 Tone Katori 7 12 58.2 ＋ Abiko 8 9 Sakae 11 10 13 16L 70.2 ±0.0 Tonosho Kamisu Inzai 13 14 Shinden (NAA) 54.0 −0.6 Shirai Narita 12 15 16R 71.6 −0.3 14 Tako 16 Hitokuwata 53.5 −0.3 Yachiyo Asahi 15 Shisui Shibayama Sakura Sosa Choshi 17 16 17 34R 70.7 −0.1 Tomisato Tako 18 Hishida-higashi 55.5 −0.2 Narashino 18 Hanamigawa Yokoshibahikari 19 21 Sanrizuka Yotsukaido 19 60.3 −0.2 Inage Yachimata 20 Elementary School Sammu Tomisato 22 24 23 Shisui 20 Sanrizuka Ground 64.1 −0.2 Wakaba Resource Conservation 21 Shibayama-Chiyoda 56.5 −0.8 Chuo 25 Togane 22 34L 73.5 −0.5 26 Midori Shibayama 27 23 −0.2 Kujukuri Kita 52.1 Ichihara 28 29 24 Shibayama-higashi 56.2 −0.4 Oamishirasato 30 Mobara Yokoshibahikari 25 Chida 57.4 −0.2 Yachimata 31 26 Ushino 57.1 −0.3 Nagara Shirako Sammu 27 Shibayama 56.1 −0.7 Chosei 32 28 Nakadai (NAA) 57.1 −0.5 33 29 Ofusa 56.0 −0.2 30 34 Yamamuro 54.1 −0.7 31 −0.3 Aircraft in Violation Yokoshiba 55.5 32 Matsuo 56.6 −0.2 Biodiversity 33 Kamisakai 55.0 −0.3 Fiscal year 2010 2011 2012 2013 2014 2015 34 Hasunuma 54.9*2 −0.9 Number of aircraft *1 Ichizaki Station was closed in March 2016.