IRImplementing rule
CS-E 450 Ignition Tests
For spark-ignition Engines:
(a)If the design of the ignition system includes redundancy, the reduction in Engine power resulting from loss of redundancy shall be established. Tests shall be carried out with the Engine running at Take-off power setting at the beginning and at the end of each part of the endurance test of CS-E 440.
(b)In no case shall the reduction in power during the test exceed the value declared under CS-E 240(b)(1).
IR — CS-E · ED Decision 2003/9/RM · CS-E Easy Access Rules · EAR revision 7 Dec 2023