Certification Specifications and Acceptable Means of Compliance - PDF document

Annex to ED Decision 2016/024/R European Aviation Safety Agency Certification Specifications and Acceptable Means of Compliance for Small Rotorcraft CS-27 Amendment 4 30 November 2016 1 1 For the date of entry into force of Amendment 4, please refer to Decision 2016/024/R in the Official Publication of the Agency. Amendment 4

Annex to ED Decision 2016/024/R CS-27 CONTENTS (general layout) CS – 27 SMALL ROTORCRAFT BOOK 1 – CERTIFICATION SPECIFICATIONS SUBPART A – GENERAL SUBPART B – FLIGHT SUBPART C – STRENGTH REQUIREMENTS SUBPART D – DESIGN AND CONSTRUCTION SUBPART E – POWERPLANT SUBPART F – EQUIPMENT SUBPART G – OPERATING LIMITATIONS AND INFORMATION APPENDICES: A, B, C and D BOOK 2 – ACCEPTABLE MEANS OF COMPLIANCE (AMC): AMCs Amendment 4 C-1

Annex to ED Decision 2016/024/R CS-27 PREAMBLE CS-27 Amendment 4 Effective: See Decision 2016/024/R The following is a list of paragraphs affected by this amendment. Book 1 Subpart A — CS 27.1 Amended (editorial change) Subpart D — CS 27.610 Amended (NPA 2014-16) Subpart F — CS 27.1309 Amended (NPA 2014-16) — CS 27.1316 Created (NPA 2014-16) — CS 27.1317 Created (NPA 2014-16) Subpart G — CS 27.1501 Amended (NPA 2011-17) — CS 27.1593 Created (NPA 2011-17) Appendices — CS-27 Appendix C Amended (NPA 2013-04) — CS-27 Appendix D Created (NPA 2014-16) Book 2 — AMC 27 General Amended (NPA 2013-04) — AMC No 1 to CS 27.351 Created (NPA 2013-21) — AMC No 2 to CS 27.351 Renamed and amended (NPA 2013-21) — AMC 27.1593 Created (NPA 2011-17) — AMC MG5 Created Agricultural Dispensing Equipment Installation (NPA 2013-04) — AMC MG6 Emergency Medical Service (EMS) systems installations including: Interior arrangements, equipment, Helicopter Terrain Awareness and Warning System (HTAWS), Radio Altimeter, and Flight Data Monitoring System (NPA 2013-04) CS-27 Amendment 3 Effective: 18/12/2012 The following is a list of paragraphs affected by this amendment. Book 1 Subpart A Amendment 4 P-1

Annex to ED Decision 2016/024/R CS-27 — CS 27.2 Amended (editorial change) Subpart C — CS 27.547 Amended (editorial change) — CS 27.549 Amended (editorial change) — CS 27.573 Created (NPA 2010-04) Subpart D — CS 27.865 Amended (editorial change) Subpart F — CS 27.1401 Amended (editorial change) Subpart G — CS 27.1521 Amended (editorial change) Appendices — CS-27 Appendix A Amended (NPA 2010-04) CS-27 Amendment 2 Effective: 17/11/2008 The following is a list of paragraphs affected by this amendment. Book 1 Subpart F — CS 27.1305 Amended (NPA 2007-17) Appendices — CS-27 Appendix A Amended (NPA 2007-17) — CS-27 Appendix C Amended (NPA 2007-17) Book 2 — AMC 27 General Amended (NPA 2007-17) — AMC 27.351 Created (NPA 2007-17) — AMC 27.602 Deleted (NPA 2007-17) — AMC 27.865 Created (NPA 2007-17) — AMC 27.1305(t) and (u) Deleted (NPA 2007-17) — AMC MG4 Created (NPA 2007-17) CS-27 Amendment 1 Effective: 30/11/2007 The following is a list of paragraphs affected by this amendment. Amendment 4 P-2

Annex to ED Decision 2016/024/R CS-27 Book 1 Subpart B — CS 27.25 Amended (NPA 11/2006) — CS 27.49 Created by renaming CS 27.73 (NPA 11/2006) — CS 27.51 Amended (NPA 11/2006) — CS 27.73 Deleted and moved to CS 27.49 (NPA 11/2006) — CS 27.75 Amended (NPA 11/2006) — CS 27.79 Amended (NPA 11/2006) — CS 27.143 Amended (NPA 11/2006) — CS 27.173 Amended (NPA 11/2006) — CS 27.175 Amended (NPA 11/2006) — CS 27.177 Amended (NPA 11/2006) Subpart E — CS 27.903 Amended (NPA 11/2006) Subpart G — CS 27.1587 Amended (NPA 11/2006) Appendices — CS-27 Appendix B Amended (NPA 11/2006) Amendment 4 P-3

Annex to ED Decision 2016/024/R CS-27 BOOK 1 CS-27 Book 1 Certification Specifications Small Rotorcraft Amendment 4 1-0-1

Annex to ED Decision 2016/024/R CS–27 BOOK 1 SUBPART A – GENERAL CS 27.1 Applicability (a) These Certification Specifications are applicable to small rotorcraft with maximum weights of 3 175 kg (7 000 lbs) or less and nine or less passenger seats. (b) reserved (c) Multi-engine rotorcraft may be type certificated as Category A provided the requirements referenced in Appendix C are met. [Amdt 27/4] CS 27.2 Special Retroactive Requirements (a) reserved (b) For rotorcraft with a certification basis established prior to 1 May 2001 (1) The maximum passenger seat capacity may be increased to eight or nine INTENTIONALLY LEFT BLANK provided compliance is shown with all the airworthiness requirements in effect from the initial issue of CS-27. (2) The maximum weight may be increased to greater than 2 722 kg (6 000 lbs) provided - (i) The number of passenger seats is not increased above the maximum number previously certificated; or (ii) Compliance is shown with all of the airworthiness requirements in effect from the initial issue of CS-27. [Amdt 27/3] 1-A-1 Amendment 4

Annex to ED Decision 2016/024/R CS–27 BOOK 1 SUBPART B – FLIGHT GENERAL (iii) The weight of full oil capacity; and (iv) For each seat, an occupant CS 27.21 Proof of compliance weight of 77 kg (170 lbs) or any lower weight for which certification is Each requirement of this Subpart must be met requested. at each appropriate combination of weight and centre of gravity within the range of loading (b) Minimum weight. The minimum weight, conditions for which certification is requested. the lowest weight at which compliance with each This must be shown: applicable requirement of this CS–27 is shown, must be established so that it is: (a) By tests upon a rotorcraft of the type for which certification is requested or by calculations (1) Not more than the sum of: based on, and equal in accuracy to, the results of (i) The empty weight determined testing; and under CS 27.29; and (b) By systematic investigation of each (ii) The weight of the minimum required combination of weight and centre of crew necessary to operate the rotorcraft, gravity if compliance cannot be reasonably assuming for each crew member a weight inferred from combinations investigated. no more than 77 kg (170 lbs), or any lower weight selected by the applicant or included in the loading instructions; and CS 27.25 Weight limits (2) Not less than: (a) Maximum weight. The maximum (i) The lowest weight selected by weight, the highest weight at which compliance the applicant; with each applicable requirement of this CS–27 is shown, must be established so that it is: (ii) The design minimum weight, the lowest weight at which compliance (1) Not more than: with each applicable structural loading (i) The highest weight selected condition of this CS–27 is shown; or by the applicant; (iii) The lowest weight at which (ii) The design maximum weight, compliance with each applicable flight the highest weight at which compliance requirement of this CS–27 is shown. with each applicable structural loading (c) Total weight with jettisonable external condition of this CS–27 is shown; load . A total weight for the rotorcraft with a jettisonable external load attached that is greater (iii) The highest weight at which than the maximum weight established under sub­ compliance with each applicable flight paragraph (a) may be established for any requirement of this CS–27 is shown; or rotorcraft­load combination if: (iv) The highest weight, as a (1) The rotorcraft­load combination function of altitude and temperature, in does not include human external cargo, which the provisions of CS 27.79 and/or CS 27.143(c)(1) are demonstrated if the (2) Structural component approval for operating conditions (altitude and external load operations under either CS temperature) prescribed by those 27.865, or under equivalent operational requirements can not be met; and standards is obtained, (2) Not less than the sum of: (3) The portion of the total weight that is greater than the maximum weight (i) The empty weight determined established under sub­paragraph (a) is made under CS 27.29; up only of the weight of all or part of the (ii) The weight of usable fuel jettisonable external load, appropriate to the intended operation (4) Structural components of the with full payload; rotorcraft are shown to comply with the applicable structural requirements of this CS­ 1–B– 1 Amendment 4