ETSO-2C504

• ED Decision 2006/004/R found in: CS-ETSO Amdt 17 - European Technical Standard Orders (Oct 2026)

#### ETSO-2C504 *ED Decision 2006/004/R* ##### Helicopter Constant-Wear Lifejackets for Operations to or from Helidecks Located in a Hostile Sea Area **1 Applicability** This ETSO gives the requirements which adult constant-wear lifejackets for use on helicopters operating to or from helidecks located in a hostile sea area (as defined in JAR-OPS 3.480(a)(12)(ii)(a)), that are 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 This ETSO and the appendices refer to JAR-OPS 3 at Amendment 2 dated 1 January 2002. **3 Technical Conditions** 3.1 Basic 3.1.1 Minimum Performance Standard Standards set forth in [Appendix 1](#_DxCrossRefBm920221017) to this ETSO. 3.1.2 Environmental Standard None. 3.2 Specific None. **4 Marking** 4.1 General Marking is detailed in CS-ETSO Subpart A paragraph 1.2. 4.2 Specific As given in Appendix 1. **5 Availability of Referenced Document** See CS-ETSO Subpart A paragraph 3. EN documents may be purchased from the European Committee for Standardisation (CEN), Rue de Stassart 36, B-1050 Brussels, Belgium or any CEN member. JAA documents may be purchased through Information Handling Services. Addresses of the worldwide IHS offices are listed on the JAA website (www.jaa.nl) and IHS’s website (www.global.ihs.com) [Amdt ETSO/1]