TM 1-1510-218-10 7-58 RECOMMENDED CRUISE POWER 1800 RPM ISA + 20 °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 41 35 100 994 238 247 239 248 240 249 2,000 37 31 100 966 236 252 237 253 237 254 4,000 33 27 100 940 233 257 234 258 235 259 6,000 30 23 100 914 231 262 232 263 233 264 8,000 26 19 100 892 229 267 230 268 231 269 10,000 22 15 98 860 224 270 225 271 227 273 12,000 18 11 93 812 218 270 219 272 220 273 14,000 14 7 88 764 211 270 212 272 214 274 16,000 10 3 84 718 204 270 205 272 207 274 18,000 6 -1 79 674 196 268 198 271 200 273 20,000 2 -5 74 630 188 267 191 270 193 272 22,000 -2 -8 69 590 180 264 183 268 185 271 24,000 -6 -12 64 550 172 260 175 265 178 269 26,000 -10 -16 59 512 162 254 166 261 169 266 28,000 -14 -20 54 474 151 246 156 255 161 261 29,000 -17 -22 52 456 144 240 151 250 156 259 31,000 -21 -26 47 420 128 222 139 240 146 251 33,000 -26 -30 42 392 --- --- 122 219 134 240 35,000 -30 -34 37 356 --- --- --- -- 119 222 Figure 7-54.  Recommended Cruise Power, 1800 RPM - ISA + 20 °C