TM 1-1510-218-10 7-59 RECOMMENDED CRUISE POWER 1800 RPM ISA + 30 °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 51 45 100 998 237 250 238 251 238 251 2,000 47 41 100 970 234 254 235 255 236 256 4,000 43 37 99 938 231 258 232 260 233 261 6,000 40 33 97 900 227 262 228 263 229 264 8,000 36 29 94 856 222 264 223 265 224 266 10,000 32 25 90 810 216 264 217 266 218 268 12,000 28 21 86 766 209 265 211 267 212 268 14,000 24 17 81 720 202 264 204 266 206 268 16,000 20 13 77 676 195 263 197 266 199 268 18,000 16 9 72 634 188 262 190 265 192 268 20,000 12 5 68 594 180 260 183 264 185 267 22,000 8 2 64 556 172 257 175 262 178 266 24,000 4 -2 59 520 163 252 167 258 170 263 26,000 -1 -6 55 484 153 246 158 254 162 260 28,000 -5 -40 51 450 142 237 149 248 154 256 29,000 -7 -12 49 434 136 231 144 244 150 254 31,000 -11 -16 45 400 --- --- 131 232 141 245 33,000 -16 20 --- --- --- --- -- --- 126 231 35,000 --- --- --- --- --- --- --- --- --- --- Figure 7-55.  Recommended Cruise Power, 1800 RPM - ISA + 30 °C