TM 1-1510-224-10 NORMAL CRUISE POWER 1500 RPM ISA -20°C WEIGHT® 12,000 POUNDS 10,000 POUNDS PRESSURE ALTITUDE IOAT OAT TORQUE PER ENGINE FUEL FLOW PER ENGINE TOTAL FUEL FLOW IAS TAS TORQUE PER ENGINE FUEL FLOW PER ENGINE TOTAL FUEL FLOW IAS TAS FEET °C °C PERCENT LBS/HR LBS/HR KTS KTS PERCENT LBS/HR LBS/HR KTS KTS 0 0 -5 94 624 1248 235 229 94 624 1248 236 230 2000 -4 -9 94 605 1210 234 233 94 605 1210 235 234 4000 -8 -13 94 588 1176 233 239 94 587 1174 234 240 6000 -11 -17 94 575 1150 231 244 94 575 1150 232 245 8000 -15 -21 94 564 1128 228 248 94 564 1128 230 250 10,000 -19 -25 94 554 1108 226 253 94 554 1108 227 255 12,000 -23 -29 94 544 1088 224 259 94 544 1088 225 260 14,000 -26 -33 94 535 1070 222 264 94 535 1070 223 265 16,000 -30 -37 94 528 1056 219 269 94 528 1056 221 271 18,000 -34 -41 94 518 1036 216 274 94 518 1036 218 276 20,000 -38 -45 90 496 992 211 275 90 496 992 213 278 22,000 -42 -49 85 468 936 204 276 85 469 938 206 278 24,000 -46 -53 80 440 880 197 275 80 441 882 200 278 26,000 -50 -57 74 410 820 189 273 75 411 822 192 277 28,000 -54 -60 68 377 754 180 270 68 378 756 183 274 29,000 -56 -62 65 361 722 175 268 65 363 726 179 273 31,000 -60 -66 59 331 662 166 263 59 333 666 170 269 33,000 -64 -70 53 303 606 156 256 54 306 612 161 264 35,000 -69 -74 47 274 548 144 247 48 278 556 151 258 BT05238 NOTE During  operations  with  ice  vanes  extended,  torque  will  decrease  approximately 12%,  fuel  flow  will  decrease  approximately  8%,  and  true  airspeed  will  be  reduced by approximately 15 knots. Figure 7-53.  Normal Cruise Power at 1500 RPM - ISA -20°C (Sheet 2 of 2) 7-81