IRImplementing rule
ETSO-C28
Aircraft Skis
1 Applicability
This ETSO gives the requirements which aircraft skis 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 National Aircraft Standards Specification NAS 808, dated December 15, 1951.
3.1.2 Environmental Standard None.
3.1.3 Computer Software
None
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.
IR · ETSO-C28 — CS-ETSO · ED Decision 2003/10/RM · CS-ETSO Easy Access Rules · EAR revision 1 Oct 2026