ETSO-C102

• ED Decision 2003/10/RM found in: CS-ETSO Amdt 17 - European Technical Standard Orders (Oct 2026)

#### ETSO-C102 *ED Decision 2003/10/RM* ##### **Airborne Radar Approach and Beacon Systems for Helicopters** **1 Applicability** This ETSO gives the requirements which airborne radar approach and beacon systems for helicopters 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 Procedures are detailed in CS-ETSO [Subpart A](#_DxCrossRefBm920220672). 2.2 Specific None. **3 Technical Conditions** 3.1 General 3.1.1 Minimum Performance Standard Standards set forth in Radio Technical Commission for Aeronautics (RTCA) Document DO-172 change 1 dated March 25, 1983 as amended and supplemented by this ETSO: Exceptions The provisions of paragraph 3.0, Beacon Requirements of paragraph 3 of RTCA document DO-172 pertain to ground based equipment and, therefore, are excluded from this ETSO. 3.1.2 Environmental Standard See CS-ETSO Subpart A paragraph 2.1 3.1.3 Computer Software See CS-ETSO Subpart A paragraph 2.2 3.2 Specific None. **4 Marking** 4.1 General Marking is detailed in CS-ETSO Subpart A paragraph 1.2. 4.2 Specific None. **5 Availability of Referenced Document** See CS-ETSO Subpart A paragraph 3.