TM 1-1510-225-10 7-45 NORMAL CRUISE POWER 1700 RPM ISA + 37 °C NOTE:    IOAT, TORQUE, AND FUEL FLOW BASED ON 12,000 POUNDS. 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 TOTAL FUEL FLOW 13,000 LB 12,000 LB 11,000 LB 10,000 LB FEET ° C ° C FT-LB % LB/HR IAS TAS IAS TAS IAS TAS IAS TAS SL 58 52 2230 100 968 229 245 231 246 232 247 232 248 2000 54 48 2230 100 940 227 249 228 251 229 252 230 253 4000 50 44 2230 100 912 225 254 226 255 227 257 228 258 6000 46 40 2230 100 886 222 259 223 260 224 262 225 263 8000 42 36 2141 96 838 216 260 218 262 219 263 220 265 10,000 39 32 2074 93 790 210 261 212 263 214 265 215 267 12,000 35 28 1962 88 738 204 261 205 263 207 265 209 267 14,000 31 24 1873 84 700 197 261 200 264 201 266 203 268 16,000 27 20 1806 81 664 191 261 194 265 196 267 198 270 18,000 23 16 1695 76 630 185 261 188 265 190 268 192 271 20,000 19 12 1695 76 606 180 263 183 267 185 270 187 273 22,000 15 8 1628 73 582 174 263 177 268 180 272 182 275 24,000 11 4 1539 69 542 165 258 169 264 172 270 175 274 26,000 7 0 1405 63 500 154 251 160 259 164 266 167 271 28,000 2 -4 1293 58 460 140 237 149 251 154 260 158 266 29,000 0 -5 1227 55 440 – – – – – – 142 244 149 256 154 263 31,000 -4 -9 1137 51 406 – – – – – –     – – –     – – – 137 245 144 257 33,000 -8 -13 1048 47 376 – – – – – –     – – –     – – –     – – – – – – 133 246 35,000 – – –     – – – – – – – – – – – – – – – – – –     – – –     – – –     – – – – – –     – – –     – – – Figure 7-41.  Normal Cruise Power, 1700 RPM, ISA + 37 °C