TM 1-1510-218-10 7-57 RECOMMENDED CRUISE POWER 1800 RPM ISA + 10 °C NOTE: TO OBTAIN FUEL FLOW  PER  ENGINE,  DIVIDE  THE  TOTAL  FUEL  FLOW  VALUE  FOR  THE CORRESPONDING ALTITUDE BY TWO. AIRSPEED ~ KNOTS PRESSURE ALT IOAT OAT TORQUE PER ENGINE FUEL FLOW TOTAL @12,000 LB @11,000 LB @10,000 LB FEET ° C ° C % LB/HR IAS TAS IAS TAS IAS TAS SL 31 25 100 988 239 246 240 246 241 246 2,000 27 21 100 962 237 249 238 250 239 251 4,000 23 17 100 936 235 254 236 255 234 256 6,000 19 13 100 910 232 259 234 260 234 261 8,000 16 9 100 888 230 264 231 265 232 266 10,000 12 5 100 868 228 269 229 271 230 272 12,000 8 1 100 854 225 275 226 276 227 277 14,000 4 -3 96 810 219 275 220 277 221 278 16,000 0 -7 90 760 212 275 213 277 214 278 18,000 -4 -11 85 714 204 274 206 276 207 278 20,000 -8 -15 79 668 196 272 198 275 200 277 22,000 -12 -18 74 622 187 269 190 272 191 175 24,000 -16 -22 68 576 178 264 181 268 183 272 26,000 -20 -26 62 532 167 258 171 264 174 268 28,000 -24 -30 57 492 157 251 162 258 166 264 29,000 -26 -32 55 472 151 246 257 255 161 262 31,000 -31 -36 50 436 138 233 146 246 152 256 33,000 -36 -40 45 400 --- --- 133 233 141 247 35,000 -41 -44 40 362 --- --- --- --- 128 234 Figure 7-53.  Recommended Cruise Power, 1800 RPM - ISA + 10 °C