Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 6384

d) Take-off power and, for aeroplanes equipped with variable pitch or constant speed propellers, rpm shall be maintained throughout the second phase. If airworthiness limitations do not permit the application of take-off power and rpm up to the reference point, then take-off power and rpm shall be maintained for as long as is permitted by such limitations and thereafter at maximum continuous power and rpm. Limiting of time for which take-off power and rpm shall be used in order to comply with this chapter shall not be permitted. The reference height shall be calculated assuming climb gradients appropriate to each power setting used. 10.6 Test procedures 10.6.1 The test procedures shall be acceptable to the airworthiness and noise certificating authorities of the State issuing the certificate. 10.6.2 The test procedures and noise measurements shall be conducted and processed in an approved manner to yield the noise evaluation measure in units of LAmax as described in Appendix 6. 10.6.3 Acoustic data shall be adjusted by the methods outlined in Appendix 6 to the reference conditions specified in this chapter. 10.6.4 If equivalent test procedures are used, the test procedures and all methods for correcting the results to the reference procedures shall be approved by the certificating authority. Note.— Guidance material on the use of equivalent procedures is provided in the Environmental Technical Manual on the Use of Procedures in the Noise Certification of Aircraft (Doc 9501). 2007/70/II. szám ANNEX 16 — VOLUME I II-11-1 24/11/05 CHAPTER 11. HELICOPTERS NOT EXCEEDING 3 175 kg MAXIMUM CERTIFICATED TAKE-OFF MASS 11.1 Applicability Note.— See also Chapter 1, 1.9. 11.1.1 The Standards of this chapter shall be applicable to all helicopters having a maximum certificated take-off mass not exceeding 3 175 kg for which 11.1.2, 11.1.3 and 11.1.4 apply, except those designed exclusively for agricultural, fire fighting or external load carrying purposes. 11.1.2 For a helicopter for which the application for the certificate of airworthiness for the prototype was issued, or another equivalent prescribed procedure was carried out by the certificating authority, on or after 11 November 1993, except for those helicopters specified in 11.1.4, the noise levels of 11.4.1 shall apply. 11.1.3 For a derived version of a helicopter for which the application for the certificate of airworthiness for a change of type design was issued, or another equivalent prescribed procedure was carried out by the certificating authority, on or after 11 November 1993, except for those helicopters specified in 11.1.4, the noise levels of 11.4.1 shall apply. 11.1.4 For all helicopters, including their derived versions, for which the application for the certificate of airworthiness for the prototype was accepted, or another equivalent prescribed procedure was carried out by the certificating authority, on or after 21 March 2002, the noise levels of 11.4.2 shall apply. 11.1.5 Certification of helicopters which are capable of carrying external loads or external equipment shall be made without such loads or equipment fitted. Note.— Helicopters which comply with the Standards with internal loads may be excepted when carrying external loads or external equipment, if such operations are conducted at a gross mass or with other operating parameters which are in excess of those certificated for airworthiness with internal loads. 11.1.6 An applicant under 11.1.1, 11.1.2, 11.1.3 and 11.1.4 may alternatively elect to show compliance with Chapter 8 instead of complying with this chapter. 11.2 Noise evaluation measure The noise evaluation measure shall be the sound exposure level (SEL) as described in Appendix 4. 11.3 Reference noise measurement point A helicopter, when tested in accordance with these Standards, shall not exceed the noise levels specified in 11.4 at a flight path reference point located on the ground 150 m (492 ft) vertically below the flight path defined in the overflight reference procedure (see 11.5.2.1). Note.— See Attachment H (Guidelines for Obtaining Helicopter Noise Data for Land-use Planning Purposes) that defines acceptable supplemental land-use planning (LUP) data procedures. 11.4 Maximum noise level 11.4.1 For helicopters specified in 11.1.2 and 11.1.3, the maximum noise levels, when determined in accordance with the noise evaluation method of Appendix 4, shall not exceed 82 decibels SEL for helicopters with maximum certificated take-off mass, at which the noise certification is requested, of up to 788 kg and increasing linearly with the logarithm of the helicopter mass at a rate of 3 decibels per doubling of mass thereafter. 11.4.2 For helicopters specified in 11.1.4, the maximum noise levels, when determined in accordance with the noise evaluation method of Appendix 4, shall not exceed 82 decibels SEL for helicopters with maximum certificated take-off mass, at which the noise certification is requested, of up to 1 417 kg and increasing linearly with the logarithm of the helicopter mass at a rate of 3 decibels per doubling of mass thereafter. 11.5 Noise certification reference procedure 11.5.1 General conditions 11.5.1.1 The reference procedure shall comply with the appropriate airworthiness requirements and shall be approved by the certificating authority. 11.5.1.2 Except as otherwise approved, the overflight reference procedure shall be as defined in 11.5.2. 11.5.1.3 When it is shown by the applicant that the design characteristics of the helicopter would prevent flight being conducted in accordance with 11.5.2 the reference procedure shall be permitted to depart from the standard reference 2007/70/II. szám 	      						                  						 	 			  					 !"#	$%  				#&'%  			(!		%	  )                   *         						+		 									 										       ,    *        			 		 								,	 										*          		 *							 	 # -	 #           				)				          ! 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       										!	 						 * !    !# & +!	 !# #   	 	  				 			   ,- ./012 2007/70/II. szám ANNEX 16 — VOLUME I II-12-1 24/11/05 CHAPTER 12. SUPERSONIC AEROPLANES 12.1 Supersonic aeroplanes — application for certificate of airworthiness for the prototype accepted before 1 January 1975 12.1.1 The Standards of Chapter 2 of this Part, with the exception of maximum noise levels specified in 2.4, shall be applicable to all supersonic aeroplanes, including their derived versions, in respect of which either the application for the certificate of airworthiness for the prototype was accepted, or another equivalent prescribed procedure was carried out by the certificating authority, before 1 January 1975, and for which a certificate of airworthiness for the individual aeroplane was first issued after 26 November 1981. 12.1.2 The maximum noise levels of those aeroplanes covered by 12.1.1, when determined in accordance with the noise evaluation method of Appendix 1, shall not exceed the measured noise levels of the first certificated aeroplane of the type. 12.2 Supersonic aeroplanes — application for certificate of airworthiness for the prototype accepted on or after 1 January 1975 Note.— Standards and Recommended Practices for these aeroplanes are not yet developed but the noise levels of Chapter 3 of this Part applicable to subsonic jet aeroplanes may be used as guidelines for aeroplanes for which the application for a certificate of airworthiness for the prototype was accepted, or another equivalent prescribed procedure was carried out by the certificating authority, on or after 1 January 1975. 2007/70/II. szám ANNEX 16 — VOLUME I II-13-1 24/11/05 CHAPTER 13. TILT-ROTOR AIRCRAFT Note 1.— Standards and Recommended Practices for this chapter are not yet developed. In the meantime, guidelines provided in Attachment F may be used for noise certification of tilt-rotor aircraft for which a type certificate of airworthiness was issued on or after 13 May 1998 and to provide data for land-use planning purposes. Note 2.— Development of these guidelines made extensive use of the Chapter 8 noise certification Standards for helicopters, where applicable. 2007/70/II. szám ANNEX 16 — VOLUME I III-1 24/11/05 PART III. NOISE MEASUREMENT FOR MONITORING PURPOSES Note.— The following Recommendation has been developed to assist States that measure noise for monitoring purposes, until such time as agreement on a single method can be reached. Recommendation.— Where the measurement of aircraft noise is made for monitoring purposes, the method of Appendix 5 should be used. Note.— These purposes are described as including: monitoring compliance with and checking the effectiveness of such noise abatement requirements as may have been established for aircraft in flight or on the ground. An indication of the degree of correlation between values obtained by the method used for measuring noise for aircraft design purposes and the method(s) used for monitoring purposes would be necessary. 2007/70/II. szám ANNEX 16 — VOLUME I IV-1 24/11/05 PART IV. ASSESSMENT OF AIRPORT NOISE Note.— The following Recommendations have been developed for the purpose of promoting international communication between States that have adopted a variety of methods of assessing noise for land-use planning purposes. 1. Recommendation.— Where international comparison of noise assessment around airports is undertaken, the methodology described in Recommended Method for Computing Noise Contours around Airports (Cir 205) should be used. 2. Recommendation.— Contracting States that have not yet adopted, or are considering changing a national noise assessment methodology, should use the methodology described in Recommended Method for Computing Noise Contours around Airports (Cir 205). 2007/70/II. szám ANNEX 16 — VOLUME I V-1 24/11/05 PART V. BALANCED APPROACH TO NOISE MANAGEMENT Note.— Provisions in Part II of this Annex are aimed at noise certification which characterizes the maximum noise emitted by the aircraft. However, noise abatement procedures approved by national authorities and included in operations manuals allow a reduction of noise during aircraft operations. 1. The balanced approach to noise management consists of identifying the noise problem at an airport and then analysing the various measures available to reduce noise through the exploration of four principal elements, namely reduction at source (addressed in Part II of this Annex), land-use planning and management, noise abatement operational procedures and operating restrictions, with the goal of addressing the noise problem in the most cost-effective manner. All the elements of the balanced approach are addressed in the Guidance on the Balanced Approach to Aircraft Noise Management (Doc 9829). 2. Aircraft operating procedures for noise abatement shall not be introduced unless the regulatory authority, based on appropriate studies and consultation, determines that a noise problem exists. 3. Recommendation.— Aircraft operating procedures for noise abatement should be developed in consultation with the operators that use the aerodrome concerned. 4. Recommendation.— The factors to be taken into consideration in the development of appropriate aircraft operating procedures for noise abatement should include the following:

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