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Bangkok, 6 to 7 November 2006 2

N oise C ertification W orkshop

Re-certification - GeneralRe-certification - General

Definition of ReDefinition of Re --certification:certification:"Certification of an aircraft, with or without a revision" Certification of an aircraft, with or without a revision

to its certification noise levels, to a Standard differentto its certification noise levels, to a Standard differentto that to which it was originally certificated."to that to which it was originally certificated."

The reThe re --certification of helicopters and small propeller certification of helicopters and small propeller --

driven aeroplanes is not considered.driven aeroplanes is not considered.ReRe --certification shall be granted on the basis that thecertification shall be granted on the basis that theevidence used to determine compliance is as satisfactoryevidence used to determine compliance is as satisfactoryas the evidence expected of a new type design.as the evidence expected of a new type design.

Existing arrangements between certificating authoritiesExisting arrangements between certificating authoritiesshould be respected. It is expected that bilateralshould be respected. It is expected that bilateralarrangements will facil itate the mutual recognitionarrangements will facil itate the mutual recognition

between authori ties of approvals granted.between authorities of approvals granted.


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Re-certification to Chapter 4Re-certification to Chapter 4

Chapter 4, 4.1 c):Chapter 4, 4.1 c):

"The Standards of this chapter shall be applicable to all" The Standards of this chapter shall be applicable to allsubsonic jet aeroplanes and all propeller subsonic jet aeroplanes and all propeller --drivendrivenaeroplanes certificated originally as satisfying Annex 16,aeroplanes certificated originally as satisfying Annex 16,Volume I, Chapter 3 or Chapter 5 for which reVolume I, Chapter 3 or Chapter 5 for which re --certificationcertification

to Chapter 4 is requested."to Chapter 4 is requested."


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ICAO and FAA Noise Certification Regulation (1)- Relevant Chapters/Stages -

ICAO and FAA Noise Certification Regulation (1)- Relevant Chapters/Stages -

Aircraft Aircraft

large propeller large propeller --drivendriven

subsonic jetsubsonic jet







RegulationRegulation

ICAO Annex 16ICAO Annex 16

ICAO Annex 16ICAO Annex 16ICAO Annex 16ICAO Annex 16


ICAO Annex 16ICAO Annex 16FAR Part 36FAR Part 36

FAR Part 36FAR Part 36


Chapter/StageChapter/Stage

Chapter 3Chapter 3

Chapter 4Chapter 4Chapter 3Chapter 3

Chapter 4Chapter 4

Chapter 5Chapter 5Stage 3Stage 3

Stage 3Stage 3

Chapter 2Chapter 2




ICAO and FAA Noise certification Regulation (2)- Differences regarding noise limits -

ICAO and FAA Noise certification Regulation (2)- Differences regarding noise limits -

less stringentless stringent

more stringentmore stringent

Chapter 3, Stage 3Chapter 3, Stage 3

Chapter 2 Chapter 5Chapter 2 Chapter 5

Chapter 4Chapter 4




Reason for Re-certification to Chapter 4Reason for Re-certification to Chapter 4

Question:Question: An aircraft was originally approved in accordance An aircraft was originally approved in accordancewithwith

Chapter 3 or 5Chapter 3 or 5Chapter 2Chapter 2FAR Part 36, Stage 3FAR Part 36, Stage 3

and complies with the maximum noise levels of Chapter 4.and complies with the maximum noise levels of Chapter 4.Why is reWhy is re --certification necessary?certification necessary?

Answer: Answer: Technical details within ICAO Annex 16 and FAR PartTechnical details within ICAO Annex 16 and FAR Part36 have been changed over the years. It has to be assured36 have been changed over the years. It has to be assuredthat rethat re --certification is granted on the current standardcertification is granted on the current standardregarding the regulation and the guidance material.regarding the regulation and the guidance material.




History of Annex 16History of Annex 16

DocumentDocument

11 January 1972January 1972

Annex 16, Vol. I Annex 16, Vol. I

Applicable since Applicable since Amendment AmendmentEditionEdition



Annex 16 Annex 16


Annex 16 Annex 16

Annex 16 Annex 16


22

33

11

22

3333

44

4455

88

33

October 1977October 1977

August 1978 August 1978

November 1981November 1981


November 1993November 1993November 1997November 1997


......

......

......


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Re-certification - ICAO Annex 16Re-certification - ICAO Annex 16

Checking against assessment criteria?Checking against assessment criteria?

NoNofor aeroplanes which were approved in accordancefor aeroplanes which were approved in accordancewith Annex 16, Volume I, Third Edition, Amendment 5with Annex 16, Volume I, Third Edition, Amendment 5(Nov. 1997) or higher.(Nov. 1997) or higher.

YesYes

for aeroplanes which were approved in accordancefor aeroplanes which were approved in accordancewith Annex 16, Volume I, Third Edition, Amendment 4with Annex 16, Volume I, Third Edition, Amendment 4(Nov. 1993) or lower.(Nov. 1993) or lower.


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Re-certification - FAR Part 36Re-certification - FAR Part 36

Checking against assessment criteria? Yes.Checking against assessment criteria? Yes.

For Stage 3 aeroplanes which were approved in accordanceFor Stage 3 aeroplanes which were approved in accordancewith FAR Part 36, Amendment 24 (August 2002) or higher,with FAR Part 36, Amendment 24 (August 2002) or higher,one assessment cri terion has to be considered (criterion g*).one assessment criterion has to be considered (criterion g*).

For Stage 3 aeroplanes which were approved in accordanceFor Stage 3 aeroplanes which were approved in accordancewith FAR Part 36, Amendments 7 through 23, 14 assessmentwith FAR Part 36, Amendments 7 through 23, 14 assessment

criteria* have to be considered.criteria* have to be considered.

* for details see presentation " Assessment Criteria"* for details see presentation "Assessment Criteria"


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