IRImplementing rule
CS 25.904Automatic Takeoff Thrust Control System (ATTCS)
Aeroplanes equipped with an engine power control system that automatically resets the power or thrust on the operating engine(s) when any engine fails during the takeoff must comply with the requirements of Appendix I.
IR · CS 25.904 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023