IRImplementing rule
ETSO-C95a
1 Applicability
This ETSO gives the requirements which mach meters 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.
- 2.2 Specific
None.
3 Technical Conditions
- 3.1 Basic
- 3.1.1 Minimum Performance Standard
Standards set forth in the Society of Automotive Engineers Inc, (SAE) Aerospace Standard (AS) 8018A 'Mach Meters', dated 01/09/1996.
- 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
- 3.1.4 Electronic Hardware Qualification
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.
Failure of the function defined in paragraph 3.1.1 of this ETSO has been determined to be a major failure condition.
4 Marking
- 4.1 General
Marking is detailed in CS-ETSO Subpart A paragraph 1.2.
- 4.2 Specific
None, marking in accordance with AS 8018A addendum 1 section 2 is optional.
- 5 Availability of Referenced Document
See CS-ETSO Subpart A paragraph 3.
[Amdt ETSO/7]
MACH METERS
ED Decision 2012/009/R
IR · ETSO-C95a — CS-ETSO · CS-ETSO Easy Access Rules · EAR revision 14 Aug 2026