(i)
[The maximum value determined by the rotor design; or]

(ii)
The maximum value shownduring thetypetests;

(2)
The maximum allowable manifoldpressure(for reciprocating engines);

(3)
The maximum allowable turbineinlet or turbine outletgas temperature(for turbine engines);

(4) The maximum allowablepower ortorquefor eachengine, consideringthepower input limitations of the transmission with all engines operating;

(5) The maximum allowablepower or torquefor eachengine consideringthepower input limitations of the transmission with one engine inoperative;

(6) The time limit for the use of the power corresponding to the limitations esta-blishedinparagraphs(b)(1) through(5) ofthis section; and

(7) Ifthetimelimit establishedinparagraph(b)(6) ofthisparagraph exceeds2 minutes–

(i) The maximum allowablecylinderhead or coolant outlettemperature(for reciprocating engines); and

(ii) The maximum allowable engine and transmission oil temperatures.

(c) Continuous operation. The continuous operation must be limited by–

(1) The maximum rotational speed, which may not be greater than–

(i) The maximum valuedeterminedby the rotordesign; or

(ii) The maximum value shown during the type tests;

(2) The minimum rotational speed shown under the rotor speed requirements in Sec. 29.1509(c).

(3) The maximum allowable manifoldpressure(for reciprocating engines);

(4) The maximum allowable turbineinlet or turbine outletgas temperature(for turbine engines);

(5) The maximum allowablepower ortorquefor eachengine, consideringthepower input limitations of the transmission with all engines operating;

(6) The maximum allowablepower ortorquefor eachengine, consideringthepower input limitations of the transmission with one engine inoperative; and

(7) The maximum allowable temperatures for–

(i) The cylinderhead or coolant outlet(for reciprocating engines);

(ii) The engine oil; and

(iii) The transmission oil.

(d) Fuel grade or designation.The minimumfuelgrade(for reciprocating engines) or fueldesignation(forturbine engines) mustbeestablished sothatitisnotlessthan that required for the operation of the engines within the limitations in paragraphs (b)and(c) of this section.

(e) Ambient temperature. Ambient temperature limitations (including limitations for winterization installations if applicable) must be established as the maximum am-bient atmospherictemperature at which compliance with the coolingprovisions of Secs. 29.1041 through 29.1049 is shown.

(f) Two and one-half minute OEI power operation. Unless otherwise authorized, the use of2站-minute OEIpower must be limited to enginefailure operation of multiengine, turbine-powered rotorcraft for not longer than 2站minutes for any period in which that power is used. The use of 2站-minuteOEIpower must alsobelimitedby–

(1) The maximum rotational speed, which may not be greater than–
(i) The maximum valuedeterminedby the rotordesign; or

(ii) The maximum value shown during the type tests;

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Elodie Roux. Septembre 2003
Subpart G : Operating Limitations and Information
(2)
The maximum allowablegastemperature;

(3)
The maximum allowable torque; and

(4)
The maximum allowable oil temperature.

(g)
Thirty-minute OEI power operation. Unless otherwise authorized, the use of 30-minute OEI power must be limited to multiengine, turbine-powered rotorcraft for not longer than 30 minutes after failure of an engine. The use of 30-minute OEI power must also be limited by–

(1)
The maximum rotational speed which may not be greater than–

(i)
The maximum valuedeterminedby the rotordesign; or