Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 6331

b) a certificate of airworthiness for the individual aeroplane was first issued on or after 1 January 1980. 6.2 Noise evaluation measure The noise evaluation measure shall be a weighted overall sound pressure level as defined in International Electrotechnical Commission (IEC) Publication No. 179.1 The weighting applied to each sinusoidal component of the sound pressure shall be given as a function of frequency by the standard reference curve called “A”. 6.3 Maximum noise levels For aeroplanes specified in 6.1 a) and b), the maximum noise levels, when determined in accordance with the noise evaluation method of Appendix 3, shall not exceed the following: 1. As amended. Available from the Central Office of the International Electrotechnical Commission, 3 rue de Varembé, Geneva, Switzerland. — a 68 dB(A) constant limit up to an aeroplane mass of 600 kg, varying linearly with mass from that point to 1 500 kg, after which the limit is constant at 80 dB(A) up to 8 618 kg. Note.— Where an aeroplane comes within the provisions of Chapter 10, 10.1.2, the limit of 80 dB(A) applies up to 8 618 kg. 6.4 Noise certification reference procedures The reference procedure shall be calculated under the following reference atmospheric conditions:

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