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This paper aims at studying the problems of aviation noise and air, soil and water pollution in Tallinn Airport and the implementation of measures to make the airport more environmentally friendly. At present Tallinn Airport has two stationary noise level monitoring terminals and one mobile terminal for metering and modelling the noise level caused by aircraft taking-off and landing. Research shows that Tallinn Airport has not yet exceeded the noise limits stipulated by regulations. The area surrounding Tallinn Airport has been divided into four noise zones. Zone 1, where the noise level does not exceed 55 dB, is suitable for a majority of types of buildings, whereas Zone 4, where the noise level exceeds 70 dB and the highest level measured was 105 dB, is absolutely unacceptable as a building area. In recent years the number of flights flying over the residential areas of Tallinn has been reduced significantly, i.e. the number of flights taking off from runway 26 and landing on runway 08. In suitable weather conditions, noisy aircraft are directed to land on RWY 26 and take off from RWY08. Thanks to the measures mentioned above, air pollution from aircraft exhaust gases has been reduced considerably in Tallinn. After the completion of the military airfield at Ämari in the nearest future, it is going to be possible to transfer the cargo flights, usually made by large noisy jets, from Tallinn Airport to Ämari. Various measures have also been taken to reduce the pollution of soil and water within the area of Tallinn Airport.

In recent years, concern over airport noise and its impact on surrounding communities has been spurred by the continual growth in air traffic together with urban development in close proximity to many airports around the world. This paper aims at studying the cases of Tallinn Airport and Tartu Airport, both in Estonia, with a focus on evaluating the airport noise and its impact on the neighbouring residential districts. Tallinn Airport is located within the city limits (only 4 kilometres from the city centre), and therefore the inhabited areas are also exposed to aviation noise. The main water catchment area for the city – Lake Ülemiste – and the nearest residential district are situated about 0.5 km from the airport. In 2003 stationary noise monitoring equipment was installed at Tallinn Airport to measure the noise level caused by starting and landing aircraft so that the necessary measures and sanctions can be taken. At Tartu Airport, the noise was recurrently measured in 2008, by using a TES 1352A sound level meter. The monitoring system at Tallinn Airport and the measurements at Tartu Airport enable operating noise and aircraft noise to be analyzed and predicted as a way to differentiate the landing fees for aircraft depending on noise and flight trajectory. According to the noise monitoring and measurements results, noise maps can be drawn. Santrauka Pastaraisiais metais nerimo faktorius, atsirades del triukšmo, sukeliamo oro uostuose ir jo poveikio aplinkiniams gyvenamiesiems rajonams, tapo rimtesnis, nes gauseja orlaiviu, taip pat oro uostai isikuria per arti gyvenamuju rajonu. Šiu tyrimu tikslas buvo nustatyti Talino ir Tartu oro uostu keliamo triukšmo lygi bei jo itaka aplinkiniams gyvenamiesiems rajonams. Tarptautinis Talino oro uotas yra isikūres miesto ribose (tik 4 km atstumu nuo miesto centro). Tai reiškia, kad nemažai gyventoju kenčia nuo orlaiviu keliamo triukšmo. Pati artimiausia gyvenviete yra nutolusi nuo oro uosto tik 0,5 km atstumu. Julemistes ežeras, kuris yra miesto geriamojo vandens šaltinis, taip pat yra oro uosto apylinkese. 2003 m. Talino oro uoste buvo pastatyta triukšmo lygio matavimo iranga, kuri turejo ne tik nustatyti kylančiu ir besileidžiančiu orlaiviu sukeliamo triukšmo lygi, bet ir numatyti būtinas priemones jam sumažinti bei taikyti sankcijas. 2008 m. Tartu oro uoste triukšmas matuotas kelis kartus naudojant triukšmo matuokli TES 1352A. Ši triukšmo matavimo sistema leidžia pirmiausia išanalizuoti ir nustatyti orlaiviu bei kitos irangos keliamo triukšmo lygi ir tuomet diferencijuoti rinkliavas už nusileidima, kurios priklauso nuo sukeliamo triukšmo lygio ir skrydžio trajektorijos. Priklausomai nuo triukšmo kontroles ir jos rezultatu, galima nupiešti triukšmo žemelapius. First Publish Online: 14 Oct 2010 Reikšminiai žodžiai: oro uosto triukšmas, oro uosto aplinkos įtaka, triukšmo matavimas, triukšmo lygis, triukšmingiausi orlaiviai, triukšmo žemėlapiai, sumažinimo schemos