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Newspaper Clipping - Newspaper Clipping Scan - MAC reducing aircraft noise - 8/26/1987 AIRCRAFT NOISE INDEX-AUGUST 1987 125,4 RIERAGE DAILY NOISE ENERGY Average Dairy Noise Energy (ADNE) is an index that was developed by city, county and metropolitan agencies, including the Minnesota Fb1luhon Control Agency, Me Metropolitan Council, the City of 125.2 Minneapolis, and MAC. The monthly ADNEis calculated from A scheduled airline takeoffs and landings and from operations of frninht rh.rt -4--1r,i,linn ,;__01..,....... the number of flight operations and the types of aircraft involved 125.0 The monthly ADNEis calculated at the beginning of the month from the airlfnes'schedules and then checked at the end of the month against actual operations. A small change in the ADNE level produces a much larger percentage change in actual noise energy 124.8 Average Noise 124.6 1987 Energy MAC Noise 124.4 ledudion Goals E 124.2 124.0 L YEAR MONTH 1968 1'9139 1490 1441 1442 i A Report to the Public from the Cbairman of the Metropolitan f_ At the St. Paul airport alone we have spent about S13 million since 418+ to build Airports Commission y+e a ne" runway, provide space for new hangars and make other improvements We are exceeding our goals for noise reduction this summer, "We / ~i~^Veed~ j ]g to attract more corporate and general aviation from MSP In August we expect noise levels generated by takeoffs and landings at r v u'e are also developing plans to make better use of what we call the Minneapolis/St. Paul International Airport (MSP) to be about 13 percent below Our ~~~~p~~ yr Preferemial 'ffic m remit Th(s system, devised in 1Vbd. is designed to dis- GI W / tributeairtraficorequitable~yerthecommuninbymaximizing theuse last summer's peak level, based on published airline schedules + This will be the third consecutive month in which noise reduction has of the 'cross runway. Runwac 4"2, Noise Reduction, In recent rears, as airline deregulation sharply increased the traffic at exceeded our 11-percent goal. MSP. use of the crass unwar has been yen limited. A public hearing on a plan We have also calculated the actual Average Daily Noise Energy fortune to extend that runway will he held this fall. Ue believe an extension will dis- and]uly. Based on airline schedules, we had estimated reductions of 13 percent from last summer's peak for each of those months. Actual operations show that perse noise more evenly so that certain neighborhoods do not bear the brunt the reductions in both months were about 14 percent, compared to the August tration (FAA) a Part I50 comprehensive noise abatement plan prepared under of the problem. j 1986 schedule. As a public corporation accountable to the people of Minnesota. the MAC Our he auspices the Metropolitan Aircraft Sound Abatement Council, an - iscommitted to providing a safe. efficient and em ironmentally compatible air- long-range goal is to reduce noise levels in annual steps until 1992, nation that includes citizens directly affected by aircraft noise. A public hear you informed about this plan and abort resulting in a decrease from peak 1986 levels of 24 percent. That would put us ing on the plan was held in May portsystem We will continue to keep . our other noise abatement efforts. back to a noise level that existed in early 1984 -before noise complaints char- The plan calls for changes in operational procedures at MSP and for both ply increased. preventive and corrective land-use projects in communities surrounding the air As I have mentioned before in these monthly reports, our voluntary port. The FAA has up to six months to review and approve the plan in whole agreements with the major airlines are playing the major role in noise reduc- or in part. Approval will make the MAC eligible for federal aid programs to assist tion. There are, however, other important noise-abatement measures that you our landuse efforts. should know about because noise reduction will be achieved through a com- To relieve aircraft congestion at MSP, which indirectly helps control noise Harold 11 Greenwood Ir prehentive program. levels, the MAC has spent $21 million over the past five years to acquire and CGnirm", This month the commission will submit to the Federal Aviation Adminis- improve its six smaller "reliever" airports, such as St. Paul Downtown Airport- Itetrnpnlilrrn Airports Commission Evan Chronide-Wednesday. August 26. 1987