CTSO-C171 航空器卡箍（英文版）

English Translation Version for Reference Only Number CTSO C171 Date of approval Jun 4 2019 Approved by Xu Chaoqun China Civil Aviation Technical Standard Order 1 This China Civil Aviation Technical Standard Order CTSO is issued according to Part 37 of the China Civil Aviation Regulations CCAR 37 Each CTSO is a criterion which the concerned aeronautical materials parts or appliances used on civil aircraft must comply with when it is presented for airworthiness certification Aircraft Clamps 1 Purpose This China Civil Aviation Technical Standard Order CTSO is for manufacturers applying for aircraft clamps CTSO authorization CTSOA This CTSO prescribes the minimum performance standards MPS that aircraft clamps must first meet for approval and identification with the applicable CTSO marking 2 Applicability This CTSO affects new applications submitted after its effective date Major design changes to article approved under this CTSO will require a new authorization in accordance with section 21 353 of CCAR 21 R4 to apply for new CTSOA 3 Requirements Aircraft clamps identified with this CTSO and manufactured on or English Translation Version for Reference Only CAAC CTSO C171 2 after the date of this CTSO must meet the MPS specified in the manufacturer s part drawing s and applicable part specification s submitted with the clamp manufacturer s application for CTSO authorization a Test Requirements Demonstrate the required performance by testing each property in the part drawing and applicable part specification s and in the derived material and process specifications under the test procedures in appendix 1 b Deviations Alternative test procedures or analytical data that produce an equivalent level of safety may be used if specified at the time of CTSO application and approved in accordance with 21 368 a in CCAR 21 R4 4 Marking a Mark at least one major component permanently and legibly with all the information in section 21 423 b of CCAR 21R4 The marking must include the serial number b Mark the following permanently and legibly with at least the manufacturer s name subassembly part number and the CTSO number 1 Each component that is easily removable without hand tools English Translation Version for Reference Only CAAC CTSO C171 3 2 Each subassembly of the article that applicant determined may be Interchangeable 5 Application data Requirements The applicant must submit the relevant technical information to the person in charge of the project review to support the design and production approval Submissions include the Declaration of Conformity specified in Article 21 353 1 1 of CCAR 21 R4 and a copy of the following information a A manual s containing the following 1 Operating instructions and limitations sufficient to describe the article s operational capability 2 A description in detail of any deviations 3 Installation procedures and limitations sufficient to ensure that the aircraft seals when installed according to the installation procedures still meets this CTSO s requirements Limitations must identify any unique aspects of the installation The limitations must include a note with the following statement This article meets the minimum performance and quality control standards required by a technical standard order CTSO Installation of this article requires separate approval b Instructions covering periodic maintenance and repair for the English Translation Version for Reference Only CAAC CTSO C171 4 continued airworthiness of aircraft seals Include recommended inspection intervals and service life as appropriate c Nameplate drawing with the information required by paragraph 4 of this CTSO d Identify functionality features or performance contained in the article not evaluated under paragraph 3 of this CTSO that is non CTSO functions Non CTSO functions are accepted in parallel with the CTSO authorization For those non CTSO functions to be accepted you must declare these functions and include the following information with your CTSO application 1 Description of the non CTSO function s such as performance specifications and software hardware and environmental qualification levels Include a statement confirming that the non CTSO function s don t interfere with the article s compliance with the requirements of paragraph 3 2 Installation procedures and limitations sufficient to ensure that the non CTSO function s meets the declared functions and performance specification s described in paragraph 5 d 1 3 Instructions for continued performance applicable to the non C CTSO function s described in paragraph 5 d 1 4 Interface requirements and applicable installation test procedures to ensure compliance with the performance data defined in paragraph English Translation Version for Reference Only CAAC CTSO C171 5 5 d 1 5 Test plans analysis and results as appropriate to verify that performance of the hosting CTSO article is not affected by the non CTSO function s 6 If applicable Test plans analysis and results as appropriate to verify the function and performance of the non CTSO function s as described in paragraph 5 d 1 e The quality system description required by the section 21 358 of CCAR 21 R4 including functional test specifications The quality system should ensure that you will detect any change to the approved design that could adversely affect compliance with the CTSO MPS and reject the article accordingly f Material and process specifications list g List of all drawings and processes including revision level that define the article s design 6 Manufacturer Data Requirements Besides the data given directly to the responsible Administrator have the following technical data available for review by the responsible Administrator a Functional qualification specifications for qualifying each production article to ensure compliance with this CTSO English Translation Version for Reference Only CAAC CTSO C171 6 b Dimensional drawings c Material and process specifications 7 Furnished data Requirements a If furnishing one or more articles manufactured under this CTSO to one entity such as an operator or repair station provide one copy or on line access to the data in paragraphs 5 a through 5 b of this CTSO Add any other data needed for the proper installation certification use or for continued compliance with the CTSO of the aircraft seals b If the article contains declared non CTSO function s include one copy of the data in paragraphs 5 d 1 through 5 d 4 8 Inspection Lot of Clamps An inspection lot is a quantity of clamps with one part number produced consecutively from a single batch of material finished in one continuous process and submitted for final inspection at one time 9 Availability of Reference Documents a Order copies of American Society for Testing and Materials ASTM documents from ASTM 100 Barr Harbor Drive West Conshohocken PA 19428 2959 You can also order copies online at www astm org b Order copies of Society of Automotive Engineers SAE English Translation Version for Reference Only CAAC CTSO C171 7 documents from Society of Automotive Engineers Inc 400 Commonwealth Drive Warrendale PA 15096 0001 You can also order copies online from the SAE website at www sae org English Translation Version for Reference Only CAAC CTSO C171 8 Appendix 1 AIRCRAFT CLAMP PROPERTY TEST REQUIREMENTS 1 CLAMP PROPERTIES The specific material and values for dimensions and configuration defined on the manufacturers drawing s or specification s form the basis of the clamp s design The specific material meeting the material test property requirements of Table 1 forms the basis of the clamp s minimum performance 2 CLAMP APPLICATIONS This CTSO applies to loop saddle center mount hinged and block clamp configurations Clamps typically mechanically fasten or support equipment such as electrical wire or fluid carrying lines to the structure of the aircraft 3 CLAMP SERIES TEST SAMPLE A clamp series model of a particular design and type with a range defined in the clamp manufacturer s application for CTSOA may be qualified by submitting test data for the series English Translation Version for Reference Only CAAC CTSO C171 9 Table 1 Aircraft Clamp Property Test Requirements for Materials For Loop Saddle Center mount Hinged and Block clamps Metal Clamp Strap if present Applicable Test Documents Material Per part Drawing Part Specification and Drawing Specification Dimensions Configuration Per part Drawing Part Specification and Drawing Specification Heat Treat Per Part Drawing AMS H 6875 AMS H 6088 and AMS2770 Finish Per part Drawing Part Specification and Drawing Specification For Loop Saddle Center mount Hinged and Block clamps Elastomeric Cushion if present Applicable Test Documents Dimensions Configuration Per Part Drawing Hardness ASTM D2240 Tensile ASTM D412 Elongation ASTM D412 Specific Gravity ASTM D297 D792 Compression Set ASTM D395 Dry Heat Resistance ASTM D573 Fluid Resistance ASTM D471 English Translation Version for Reference Only CAAC CTSO C171 10 4 APPLICABLE DOCUMENTS The documents or successor documents listed below in effect on the date of CTSO application are acceptable to the Administrator You may use them to set up procedures for test and evaluation of aircraft clamps as shown in the part drawing and procurement or product specification s When you apply for CTSO authorization list all extra specifications governing test and evaluation of a clamp covered by this CTSO Document No Title ASTM D 297 Standard Test Methods for Rubber Products Chemical Analysis ASTM D 395 Standard Test Method for Rubber Property Compression Set ASTM D 412 Standard Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers Tension ASTM D 471 Standard Test Method for Rubber Property Effect of Liquids ASTM D 573 Standard Test Method for Rubber Deterioration in an Air Oven ASTM D 792 Standard Test Methods for Density and Specific Gravity of Plastics by Displacement ASTM D 2240 Standard Test Method for Rubber Property Durometer Hardness SAE AMS H 6088 Heat Treatment of Aluminum Alloys SAE AMS 2770 Heat Treatment of Wrought Aluminum Alloy Parts SAE AMS H 6875 Heat Treatment of Steel Raw Materials