CS 27.1143 Engine controls

• ED Decision 2003/15/RM found in: CS-27 Amdt 10 - Small Rotorcraft (Feb 2023)

CS 27.1143 Engine controls ED Decision 2003/15/RM (a) There must be a separate power control for each engine. (b) Power controls must be grouped and arranged to allow: (1) Separate control of each engine; and (2) Simultaneous control of all engines. (c) Each power control must provide a positive and immediately responsive means of controlling its engine. (d) If a power control incorporates a fuel shut-off feature, the control must have a means to prevent the inadvertent movement of the control into the shut-off position. The means must: (1) Have a positive lock or stop at the idle position; and (2) Require a separate and distinct operation to place the control in the shut-off position. (e) For rotorcraft to be certificated for a 30-second OEI power rating, a means must be provided to automatically activate and control the 30-second OEI power and prevent any engine from exceeding the installed engine limits associated with the 30-second OEI power rating approved for the rotorcraft. CS 27.1143 Engine controls ED Decision 2003/15/RM (a) There must be a separate power control for each engine. (b) Power controls must be grouped and arranged to allow: (1) Separate control of each engine; and (2) Simultaneous control of all engines. (c) Each power control must provide a positive and immediately responsive means of controlling its engine. (d) If a power control incorporates a fuel shut-off feature, the control must have a means to prevent the inadvertent movement of the control into the shut-off position. The means must: (1) Have a positive lock or stop at the idle position; and (2) Require a separate and distinct operation to place the control in the shut-off position. (e) For rotorcraft to be certificated for a 30-second OEI power rating, a means must be provided to automatically activate and control the 30-second OEI power and prevent any engine from exceeding the installed engine limits associated with the 30-second OEI power rating approved for the rotorcraft.