ETSO-C23f

• ED Decision 2018/002/R found in: CS-ETSO Amdt 17 - European Technical Standard Orders (Oct 2026)

#### ETSO-C23f *ED Decision 2018/002/R* ##### **Personnel Parachute Assemblies and Components** **1 Applicability** This ETSO provides the requirements which emergency parachutes that are designed and manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking. **2 Procedures** 2.1 General Applicable procedures are detailed in CS-ETSO, [Subpart A](#_DxCrossRefBm920220672). 2.2 Specific None. **3 Technical Conditions** 3.1 Basic 3.1.1 Minimum Performance Standard Standards set forth for emergency parachutes in Parachute Industry Association (PIA) Technical Standard 135 (TS-135) Revision 1.4, issued April 22, 2010, ‘Performance Standards for Personnel Parachute Assemblies and Components’, as modified by [Appendix 1](#_DxCrossRefBm920220709) of this ETSO. 3.1.2 Environmental Standard As set forth in Parachute Industry Association (PIA) Technical Standard 135 (TS-135) Revision 1.4, issued April 22, 2010, ‘Performance Standards for Personnel Parachute Assemblies and Components’. 3.1.3 Software See CS-ETSO, Subpart A, paragraph 2.2. 3.1.4 Airborne Electronic Hardware See CS-ETSO, Subpart A, paragraph 2.3. 3.2 Specific 3.2.1 Failure Condition Classification See CS-ETSO Subpart A paragraph 2.4 Equipment suitability for supporting the function defined in paragraph 3.1.1 of this ETSO is established by performing the tests as prescribed in Parachute Industry Association (PIA) Technical Standard 135 (TS-135) Revision 1.4, issued April 22, 2010, ‘Performance Standards for Personnel Parachute Assemblies and Components’, as modified by Appendix 1 of this ETSO, with no further analysis required. **4 Marking** 4.1 General Marking is detailed in CS-ETSO, Subpart A, paragraph 1.2. 4.2 Specific Also, mark the following permanently and legibly, with at least the manufacturer’s name, subassembly part number, and the ETSO number: (1) Each component that is easily removable (without hand tools), and (2) Each subassembly of the article that you determined may be interchangeable. **5 Availability of Referenced Document** You can download a free copy of PIA TS-135 Revision 1.4 issued April 22, 2010, Performance Standards for Personnel Parachute Assemblies and Components, at: <http://www.pia.com/piapubs/TSDocuments/TS-135v1.4.pdf> [Amdt ETSO/13]