ED Decision 2020/011/R
1 Applicability
This ETSO provides the requirements which new models of temperature instruments 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
The applicable procedures are detailed in CS-ETSO, Subpart A.
2.2 Specific
None.
3 Technical Conditions
3.1 Basic
3.1.1 Minimum Performance Standard
The applicable standards are those provided in SAE International’s Aerospace Standard AS8005 ‘Minimum Performance Standard for Temperature Instruments’ Revision A, September 1996, as amended by Appendix 1.
Exceptions:
(i) In the friction error test SAE AS8005A, paragraph 4.8, the vibration (to minimise friction) provisions of paragraph 4.3 do not apply.
(ii) For clarification, the vibration test of SAE AS8005A, paragraph 5.8, shall be conducted in accordance with the test procedure required by paragraph 3.1.2 below.
3.1.2 Environmental Standard
See CS-ETSO, Subpart A, paragraph 2.1.
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.
4 Marking
4.1 General
See CS-ETSO, Subpart A, paragraph 1.2.
4.2 Specific
None.
5 Availability of Referenced Documents
See CS-ETSO, Subpart A, paragraph 3.
[Amdt ETSO/16]
ETSO-C43d requires new temperature instruments to meet SAE AS8005A as amended by Appendix 1, with specific exceptions for friction and vibration tests.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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