CS-VLA 1521 Powerplant limitations
ED Decision 2003/18/RM
(a) General. The powerplant limitations prescribed in this paragraph must be established so that they do not exceed the corresponding limits for which the engine or propeller is type certificated.
(b) Take-off operation. The Powerplant take-off operation must be limited by -
(1) The maximum rotational speed power;
(2) The maximum allowable manifold pressure for aeroplanes equipped with a variable pitch propeller or supercharger;
(3) The time limit for the use of the power or thrust corresponding to the limitations established in sub-paragraphs (b)(1) and (b)(2) of this paragraph; and
(4) If the time limit in sub-paragraph (b)(3) of this paragraph exceeds two minutes, the maximum allowable cylinder head (as applicable), liquid coolant, and oil temperatures.
(c) Continuous operation. The continuous operation must be limited by -
(1) The maximum rotational speed;
(2) The maximum allowable manifold pressure for aeroplanes equipped with a variable pitch propeller or supercharger;
(3) The maximum allowable cylinder head, oil, and liquid coolant temperatures.
(d) Fuel grade. The minimum fuel grade must be established so that it is not less than that required for the operation of the engine within the limitations in sub-paragraphs (b) and (c) of this paragraph.
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